HSS Drill Bit x 10 Fully Ground 1/4" –5% Cobalt M35 Don-Jo Extremely durable

Extremely durable

285 Purple Top Pin

FCC ID: 0UCD6000022

1987 - 1988 Kawasaki 305

2019 - 2019 Acura ILX Premium A-Spec

HSS Drill Bit x 10 Fully Ground 1/4" –5% Cobalt M35 Don-Jo Extremely durableCOBALT STEEL Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, ideal for repeated drilling in metalworking. FOR STAINLESS STEEL Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for heat treated steel hardened