TRUSCO Step Drill for Flat Head Screws M5 TSSMM5A 1 Piece

Catalog number: TSSMM5A Features: ●For countersunk head screws. ●For JIS B 1101 bolt hole and countersink hole processing. Applications: ●Workpiece: Cast iron, carbon steel, alloy steel, tool steel, stainless steel, aluminum alloy. Specifications: ●Small diameter (mm): 5.5 ●Large diameter (mm): 10.4 ●Step length (mm): 22 ●Groove length (mm): 35 ●Total length (mm): 80 ●Shank diameter (mm): 8 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 hazards during normal use.