1.chain pin (04C-24A) 2.material:20CrMnMo ,40CrNiMo ,20CrNiMo ,GCr15,35CrMo,50CrVA,30CrMnTi, ... ,40Cr 3.1.80mm-15.0mm(di 1.chain pin(04C-24A) 2.material:20CrMnMo ,40CrNiMo ,20CrNiMo ,GCr15,35CrMo,50CrVA,30CrMnTi ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); 20CrMnMo chain pin,chain rivet for chain(04C-24A)