TC Clamp ferrules, blanks and adapters are produced by CNC turning from stainless steel bar, in AISI 304/316/316L material.

BS 4825 Part 3 / ISO 2037
DIN 32676
3A Standard
BS 6362 Schedule Pipe Size
ASTM A312 Schedule Pipe
Surface Finish
The standard internal surface finish for clamp ferrules is 0.8 – 1.0µM Ra, with enhanced finishes of 0.38 µM Ra or better available on request. Electro-polishing is also available to order.