Hollow Chrome Bar

Hollow Piston Rod ( Inside surface chromed)

Material:CK45,4140, stainless steel 304/316, etc.
Outside Dia:12mm-500mm
Technology:polished, chrome plated.
Outside Surface Roughness: Ra =0.2 micron
Outside Dia Tolerance: ISO f7
Ovality: 1/2 ISO f7
Straightness: = 0.2 mm/m
Packing:anti-rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.

Hollow Chrome Bar