* Carbon steel blade, high strength, long-lasting wear resistance.
* High-carbon steel is preferred, and the cutter head is made of No. 45 high-carbon steel, which is hardened at high temperature and is durable.
* Four blades and four grooves are more efficient, chip cutting is stable and light, chip removal is smooth, and work efficiency is high.
* Self-tapping precise positioning of the drill point, the drill point has a right-handed taper self-tapping thread for accurate positioning.
* Hexagonal square handle, non-slip. The drill shank specifications are uniform, suitable for all kinds of hand drills, rechargeable drills, bench drills, etc.
* Suitable for all kinds of softwood, hardwood, plastic, rubber, polyurethane, etc.
12-32MM High Speed Steel Twist Drill Bit Long Four-slot Four-blade Woodworking tools Drill Bit Hole Opener Kit
