The black and gold Impact Ready Metal Drill Bits feature a strong tapered core design that provides xtreme durability to resist breakage, Designed with a 1/4 in. hex shank, these bits are compatible with most drills and impact drivers and are best used to drill through metal, wood and PVC. Black and gold metal drill bits are made of heavy-duty high speed steel.
The 135 deg. split point tip design on 1/8 in. and larger sizes helps to reduce walking
Strong tapered core design provides extreme durability to resist breakage