Giới thiệu Bộ 5 mũi khoan bước lục giác 1/4 inch 3mm M35 HSS

Sufficient quantity and type are enough to meet your various needs; Suitable for drilling and chamfering various types of materials, such as wood, plywood, aluminum, iron, copper, fiberboard, particle board, plastic, PVC board, etc.
Step drill bit set: steel step drill bit set is designed in various sizes: 4-12 mm, 3-12 mm, 4-20 mm; They are made of high speed steel, coated by titanium, and these step drills are still resistant to heat, corrosion and rust, practical and durable
Countersink drill bits set: made of quality carbon steel, the surface of the countersunk drill bits is plated with titanium to prevent rust; It is durable for you to use and can serve you for a long time; They are suitable for quick replacement and suitable for most power tools with the 1/4 inches hex shank, the cutting edge is hardened and ed to improve sharpness, all drill bits have a 90 degree angle at this point, allowing peaked and precise counter sinking
Automatic center punch: automatic center punch is so effective that you are able to mark workpiece with a dimple to prevent screws and drills from wandering, helping you complete work accurately and quickly, save your time and energy
Twist drill bit set: metal cobalt drills for hardened steel has 135° split point tip and torsional design to improve cutting speed with self-centering ability; They can avoid walking during work process, while clearing chips and particles more quickly and easily

Colour: gold
Material: steel

Package Contents:
1 x bag
3 x step drill bits
6 x 5-slot drill bit
1 x automatic center punch
4 x cobalt drill bitsOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.