Made of hardened high speed steel,last longer life
135"split point for contract in no skating
Fully ground body ,bright finish for the most accurate hole dimensions and high concentricty
One-body milled hexagonal quick change shank proyides longer life time than welded one.
1/4"quick change hex shank fits all 1/4"quick change chuck
For general using in steel,cast steel,malleable iron ,sintered metal,non-ferrous metal and plastic.