drill bits & sets
mountain 55429 29 64 black oxide drill bit
p strong features and benefits strong p ul li black oxide treated for wear resistance and greater lubricity li li made from premium grade high speed steel li li 135 degree split point li li designed to drill common steel flat bar angle iron tubing wood and plastic li li manufactured to aerospace nas 907 b specifications li ul p black oxide drill bits are manufactured from industrial high speed steel surface treated for high performance and long life . also no center punch needed mountain quick cut points are self centering and penetrate faster with less pressure will not walk or wander at the starting surface . 3 8 reduced shank . made in the usa . p
mountain