Smooth Ball End Bolt PT01 Precision swivel ball that can be used either as a contact bolt or as a rest pad.
As contact bolts, these swivel-ball units are ideal for evenly distributing clamping pressure on sloped or uneven surfaces.
The bolt is ...
Standard metric clamping studs. These studs are manufactured from S45C(JIS) / CK45(DIN) heat treated to HRC 30-35 and have a black oxide surface finish.