Twist Drill Bit Woodworking Flat Drill Bit Cement Drill Hole Opener

Product material:
Material: High speed steel

Details:
Tool handle type: Round handle
Cooling type (internal cooling/external cooling): internal cooling
Cutting diameter (mm): 3/64-1/4
Diameter of handle (mm): 1.19-6.35
Usable length (mm): 16-63
Total length (mm): 38-101
External cutting edge angle (°): 118
Maximum cutting depth: 63
Blade size: 3/64-1/4
Blade diameter: 1.19-6.35 (mm)
Blade length: 16-63 (mm)
Full length: 38-101 (mm)
Shank diameter: 3/64-1/4 (mm)
Series: 246PC set of hardware tools