Product Information
- Hex shank drill bit set classic HSS construction with titanium coating for capability and durability.The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.
- Carbide metric drill bits 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.
- 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.
- Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use.
- Drill bits are consumables. When the Main cutting edge of the drill bit is lower than the Flank surface, the drill bit will not be sharp enough. At this time, it is necessary to grind the drill bit to raise the Main cutting edge above the Flank surface in order to maintain the normal operation of the drill bit.