Product Name: High Quality Stainless Steel Hollow Pin Short Pitch Roller Chain Model NO.: 40HP, 50HP, 60HP, 80HP Feature: Oil Resistant Chain Size: 1/2"*11/128" Surface Treatment: Oxygenation Structure: Hollow Chain Material: Stainless Steel Trademark: SMCC OR NO MARK Transport Package: According to Customer's Request Specification: Stainless 304, 201, 316 Origin: Qingdao China HS Code: 3926901000 Product Description SMCCroller chain is one of the most widely used and welcome products in the market. Its continuous innovative development is suitable to be the solutions for many conditions,high strength roller chain,galvanized chain,nickel-plated chain,Dacromet-plated chain,lubrication-free chain and oilfield chain etc.A large range of standard attachments and at the same time it can also develop suitable attachments for chains in order to meet various needs of customers.DIN SIOchain No. pitchb1minmmd1minmm d2 max mm Lmaxmm Lc max mm h2 max mmU.T.S KNA.T.S KN qkg/mTypemminch08B HP12.701/2"7.758.516.384.5016.8018.1011.8013.5014.600.60 A10B HP15.885/8"9.6510.167.035.0018.6020.8014.3014.5015.600.83 A12B HP19.053/4"11.6812.078.105.7524.0023.6016.5018.5019.501.05 A16B HP25.401"17.0215.8811.108.1036.0038.0021.0050.0060.302.40 A*40 HP12.701/2"7.857.955.634.0016.5017.6012.0011.0012.200.54 B*50 HP15.885/8"9.4010.167.035.1320.7021.9015.0920.0022.100.91 B*60 HP19.053/4"12.7011.918.316.0025.8026.4018.0024.0026.901.29 B*80 HP25.401"15.7515.8811.108.0332.7033.9024.0052.0060.302.50 B