Twist drill hanging bag drill set

Tool handle type: round handle
Cutting diameter: (mm) 4-12
Diameter of handle: (mm) 4-12
Length of chip flute: (mm) 33
Useful length: (mm) 33
Total length: (mm) 300
Outer cutting edge angle (°): 60
Material: 45 steel
Specifications (diameter * full length): 30*16*3