Engineer’s Parallels

Opus Engineer’s Parallels are manufactured to BS 906 Parts 1 & 2, Metric and Imperial

Parallels are available as Grade A or Grade B, the sizes and tolerances can viewed here.

Grade A is intended for precision applications such as in an inspection department.

Grade B is intended more general tool-room type applications.

Both grades are made from high quality steel and hardened to 800 Hv (64 Rc), stress relieved and stabilised.

Supplied in pairs in a wooden case and complete with UKAS calibration certificate