SW SB 3PC SET MECHANICAL
SHOCKWAVE Impact Duty Mechanical Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. The ¼” hex shank has an optimized SHOCKZONE body providing you with the industry’s most durable shank, reducing early shank breaks. Our step drill bit kit features the #2 3/16 – 1/2″, #3 3/16 – 3/4″, and #8 1/8 – 1″ step bits with laser engraving for a clear stop on size identification.