Non-standard Nut

◆   ASTM A194 Heavy Hex Nuts: 2H, 2HM,7L 7M, 8/8A,8M/8MA,8T/T8TA.
◆   ASTM A563/A563M Heavy Hex Nuts: DH, A, C, 8S, 10S, 10, 12.
◆   AS 1252 / 1112 STRUCTURE NUTS: Class 8, 10.
◆   JIS 1186/1181 HEAVY HEX NUTS: Class F8T, 10T, 8, 10.
◆   ISO 4032 HEX NUTS: Class 8, 10, 12.
◆   DIN 934 / 6915 HEX NUTS: 8, 10, 12.
◆   EN 14399-4/EN14399-3 HEAVY HEX NUTS: Class 10.
◆   UNI 5587 HEX NUTS: Class 8, 10.
◆   GB 1229 STRUCTURE NUTS: Class 8, 10.
◆   GB 6170 HEX NUTS: Class 8,10
Our company mainly produce high strength fasteners. We always put quality in the first place, with the continuous development of Dongxin, Dongxin has a good reputation in the fastener industry of Oil Field, Petrochemical Industry, Heavy Engineering Industry, Construction Industry and Wind Power Industry. We have been certified by API-20E,PED,CE-EN 14399,CE-EN 15048 and ISO 9001-2015.