Swivel clamping screw with serrated flat end.
These screws are ideal for clamping irregular shaped workpieces.
The screws are manufactured from SCM435(JIS) / 34CrMo4(DIN) heat treated to HRC 30 - 35 and the balls are manufactured from SCM21(JIS) / 34CrM04(DIN) heat treated to HRC 62.
Smooth and domed versions are also available.