Specifications:
Material: High Speed Steel 4241
Shank: Triangle round handle
Size: 6,10,15,20,25,30,35,40,45,50,55,60mm (12 steps)/ 0.24 - 2.36 inches
Shank Diameter: 13mm/ 0.51 inches
Shank Length: 22mm/ 0.86 Inches
Recommended drilling speed: 250--400 rpm
Package Includes:
1x NUZAMAS 6-60 Step Drill Bit