4- 32 mm Hexagonal Titanium Step Cone Drill Bit Hole Cutter HSS4241 Stepped Drill For Sheet Metal Free Shipping

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4 - 32 mm Hexagonal Titanium Step Cone Drill Bit Hole Cutter HSS4241 Stepped Drill For Sheet Metal Free Shipping

Product Parameter:

1. Material: High-speed steel 4241 ( Applicable for workpieces with hardness below 25 degrees like carbon steel. )
2. Specifications: 4 - 32 mm/ 0.16 - 1.26 inches ( 15 steps: 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32 mm, 1 mm = 0.04 inches. )
3. Diameter of handle: about 6.35 mm/ 0.25 inches
4. Surface processing: Titanizing