Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are very valuable, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Name: Counterbore Drill Package: plastic box Material: cutter head YG8 alloy, cutter body 45# carbon steel, surface spraying Packing size: 18mm*18mm*95mm Weight: 31 grams for a single piece, 155 grams for a 5-piece set, 11 grams for a 5-piece drill core set Usage: Used for wood, aluminum alloy screw counterbore, opening Advantages: It has strong high temperature and wear resistance, and will not produce deformation and wear in high-temperature cutting, of course, there will be loss with the consumption of time, but the things that are made in the time without loss are precious, and secondly, the toughness of the high-speed steel drill bit is far more than other materials, the drilling processing bit must not only maintain stability, the toughness requirements are also very high, without good toughness, the drill bit is prone to collapse, resulting in the instability of the hole diameter drilled out by the drill bit wear.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm  【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.

Stainless steel hole opener TCT carbide hole reamer；Maximum cutting depth: 26mm 【High Quality Materials】: This hole saw is made with high-quality tungsten carbide tip knives, which ensures its high hardness, rust resistance, and sturdiness. High-end tungsten carbide technology and optimized tooth profile structure allow the hole saw to have a superior service life and fast cutting in the most demanding applications. [Application]: These hole saw kits cut quickly and precisely into metal materials with a thickness of 28 mm, are industrial-grade metal drilling knives for stainless steel, metal, iron. It is also suitable for plastics, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. [ Easy to use]: TCT carbide steel teeth quickly cut clean and smooth round holes. It is suitable for hand-held electric drills, vertical motor-driven drilling rigs and mobile belt magnetic drilling rigs.  【Components】: Contains drills, springs, wrenches, to make your work more convenient and easy. The pilot bit is removable.