TRUSCO Step Drill for Hexagonal Socket Bolts M10 TSRMM10A 1 Piece

Catalog number: TSRMM10A Features: ●For hexagon socket bolts. Applications: ●Workpiece: Cast iron, carbon steel, alloy steel, tool steel, stainless steel, aluminum alloy. Specifications: ●Small diameter (mm): 11.0 ●Large diameter (mm): 17.5 ●Step length (mm): 30 ●Groove length (mm): 60 ●Total length (mm): 110 ●Shank diameter (mm): 12 Material/Finish: ●High speed steel (HSS) Caution: ●Do not use this product if a pilot hole is drilled. ●Cobalt and inorganic compounds are designated as specific chemical substances, but are exempt from regulations because they do not emit dust amounts that cause health problems during normal use.