●Product Size: Counter sink dill bits are available in 6 different diameter sizes, 6mm(1/4), 8mm(5/16), 9mm(3/8), 12mm(1/2), 16mm(5/8), 19mm(3/4). Hex shank size 1/4in (6.35mm). ●PREMIUM QUALITY: Counter sinker drill bit is made of high speed steel with high frequency hardening for heat treatment, coated with blue nano, sturdy and durable surface ●90 DEGREE DESIGN: All drill bits have a 90 degree angle of point for sharp, accurate counter sink. All six drill bits are 1/4" hex shank, fits most electric tools and can be replaced quickly ●5 FLUTE DESIGN: Chamfer counter sink bit set is designed with 5 flutes and houndstooth cutting teeth to ensure the tip flows freely, cuts quickly without chattering, chamfering, deburring, and counter sinks ●Wide application: large for submersible 90 degree holes to screw and fix wood It is suitable for use with fiberboard, shaving, plywood, plastic and other hard crafts under 25hrc for wood starting, spreading, beveling, screw heads, etc
Description
Designed with 5 flutes that are organised to ensure free flow of debris and rapid cracking free cutting.
It also has 6 sizes of backflow bits that can be compatible with all types of excavation equipment that can meet your different requirements for any occasion.
Premium Quality
Sharp, smooth cutting and high working efficiency
Suitable for wood openings, reamers, beveling, screw heads etc.
Perfect for DIY, home and general building/engineering use.
90 Degree Design
All drill bits have a 90° angle tip for sharp, accurate turning.The edge of the blade is hardened and sharpened.
5 flute design
Chamfered Counter Sink Bit Set is designed with 5 flutes and the houndstooth teeth are positioned to ensure that the shavings flow freely and cut quickly.
Easy to operate
- Drill the hole according to the width of the screw you use.
- Replace countersink drill bit according to the head width of the screw
- Drill holes to its depth
Warm Tips
When using countersunk holes, please make sure the size matches the screws you use.