Twist Flute and Titanium Coating - With optimized flute form, HIGHFIRE drill bit decreases friction and heat easily to ensure fast drilling and a long working life. 135-degree twist flute helps to remove chips quickly. TiN coating extends drill bits life 3 times longer.
Hex Shank Bits- Hex shank drill bits fit in quick-change impact drivers. Hex shank eliminates shank spinning in chuck when using pressure.
Sharp Cutting Edge - HIGHFIRE hex shank drill bit set has accurate tip geometry which ensures cutting edge sharp and strong. 135 degrees split point tip provides a no-walking drilling start on working surface.
Sizes and Package - Drill bit sizes include: 1/16"x3, 5/64"x2, 3/32"x2, 7/64", 1/8“x2, 9/64", 5/32", 3/16"x2, 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 7/16" 1/2". 22 PCS drill bit set in a double blister pack with easy opening design.
Strong Connection and Tapered Web - The robust linkage between drill bits and shank efficiently transfers torque from drills to the tip without risk of breakage, while also minimizing radial runout for a more circular hole. HIGHFIRE hex shank drill bits feature a tapered web structure that enhances durability and lessens the chances of breakage.