Ruko HSS-Co5 Drill Bit Kit, Black/Gold, 21pcs 228850 Germany 5/16" Safety valve prevents gas flow

Safety valve prevents gas flow when tip is removed

Grade Extra Coarse

Item Specifications

Maximum Drilling Depth 1 9/16 in

Color coded clamps for polarity identification

Ruko HSS-Co5 Drill Bit Kit, Black/Gold, 21pcs 228850 Germany 5/16" Safety valve prevents gas flowMaterial: Manufactured from HSSE Co5 (5% cobalt high speed steel), making them highly heat resistant and durable. Finish: A golden brown finish with a black oxide bevel. Applications: Ideal for tough to drill, high tensile materials, alloyed and unalloyed cast iron, stainless steel, brass, and bronze. 228850) is a 21 piece, imperial (fractional) jobber length drill bit set. It features bits sized from 1 16" to 3 8" in 1 64" increments.