Features:
- Set of 3 for jobs of all sizes.- 2 fluted edges for faster・ smoother cutting.- Hex shank prevent slippage when in chuck.- Surface treatment: Titanium plating.- Ideal for using to cut holes in a variety of materials including steel・ brass・ wood・ plastic・ etc.- Material: HSS steel.- The lengths are separeately 86mm ( 6 step )・ 72.5mm ( 9 step )・ 77 ( 13 step ). - The 3 cutters come in the following sizes:￠ 6 step: 3 / 16 inch・4.76mm )・ 1 / 4 inch ( 6.35mm・ 5 / 16 inch ( 7.94mm )・ 3 / 8 inch ( 10.35mm )・ 7 / 16 inch ( 11.11mm )・ 1 / 2 inch ( 12.7mm ).￠ 9 step: 1 / 4 inch ( 6.35mm )・ 5 / 16 inch ( 7.94mm )・ 3 / 8 inch ( 10.35mm )・ 7 / 16 inch ( 11.11mm )・ 1 / 2 inch ( 12.7mm )・ 9 / 16 inch ( 14.28mm )・ 5 / 8 inch ( 15.88mm )・ 11 / 16 inch ( 17.46mm )・ 3 / 4 inch ( 19.05mm ).￠ 13 step: 1 / 8 inch・3.18mm )・ 5 / 32 inch ( 3.97mm )・ 3 / 16 inch・4.76mm )・ 7 / 32 inch ( 5.56mm )・ 1 / 4 inch・6.35mm )・ 9 / 32 inch ( 7.14mm )・ 5 / 16 inch ( 7.94mm )・ 11 /32 inch ( 8.73mm )・ 3 / 8 inch ( 9.53mm )・ 13 / 32 inch ( 10.32mm )・ 7 / 16 inch ( 11.11mm )・ 15 / 32 inch ( 11.91mm )・ 1 / 2 inch ( 12.7mm ).


Package weight: 0.135 kg
Package Size(L x W x H): 10.30 x 7.10 x 2.00 cm / 4.06 x 2.80 x 0.79 inches


Package Contents: 3 x HSS 6541 Hex Shank Step Cone Drill Bit Set Titanium Coated Hole Cutter