A557 Feeder house agricultural chain

With Harrow teeth assembly

Pitch: 41.4mm

Roller diameter: 16.87mm

Width between inner plate: 20.24mm

Pin diameter: 7.19mm

Plate thickness: 2.8mm

attachment  d4 hole diameter: 10.5mm

material for chain parts:

Inner and out plate: 40Mn

Bush and roller :  10#

Pin: 30GrMnTi

Detail picture as following: