GolfMechanix

Cobalt Steel Drill bit Set for .335 .350 & .370 Hosels

Produced to GolfMechanix exacting standards, for re-boring hosels on clubheads made of notoriously difficult to drill metals such as 17-4PH, titanium and marraging steel. These HSS-Co alloyed and Titanium nitrated twist drills hold their rigidity and hardness at higher temperatures better than HSS drill bits.

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