DIN and ANSI standard roller chains

1)DIN and ANSI standard

2)material: carbon-steel

3)pitch: 38.1mm

4) short pitch precision roller chain  

also supply roller chain with stright plate and Heavy plate.

Matrial we use:

Plate:  40Mn, 45Mn Electic steel

Pin: 30CrMnti or 40Cr

Bush: we use 20Mn

Roller: 35# steel

All mesh heat treatment

SHot Peening, Black coating, Zinc-Plated, Nickel-plated, Dacromet....