Main Features:
● Material: High speed steel 4241.
● Specifications: Metric M3， M4， M5， M6， M8， M10.
● Suitable for hardness workpieces， such as carbon steel， sheet iron， insulation board， PVC board， wood， etc.
● Parameters: 58mm length in total， blade length is 28mm， shank length is 30mm (diameter is 6.35 mm).