KnKut KK7-29 29 Number Screw Machine Length Drill

KnKut KK7-29 29 Number Screw Machine Length Drill - Jobber Drill Bits -. No Center Punch or Pilot Hole required 。 Rounder More Accurate Holes 。 Lowest Cost Per Hole 。 Drills Stainless Steel and Titanium Alloy 。 Screw Machine, (Stubby) Length 。 Premium grade Drills are manufactured from a high grade M-7 Molybdenum high speed steel, that has high vanadium content. Performance Drills are salt nitride treated, actually penetrating the tools surface giving Drills the hardness to drill tough materials such as stainless steel and titanium alloy. 。 。 。

KnKut KK7-29 29 Number Screw Machine Length Drill