Ruko HSS-Co5 Drill Bit Kit, Black/Gold, 21pcs 228850 Germany 5/16" Grade Extra Coarse

Grade Extra Coarse

Safety valve prevents gas flow when tip is removed

The Bent Nose Pliers are backed by the IRWIN Lifetime Guarantee

Black Oxide Coating to Resist Corrosion

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Ruko HSS-Co5 Drill Bit Kit, Black/Gold, 21pcs 228850 Germany 5/16" Grade Extra CoarseMaterial: 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.