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M1308 inverted internal ring1.material: Carbon spring steel ( Mn65, 50CRV4, C67, SK5), Stainless steel (SS304) etc
2.size:M20-M100
3.standard: GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc
4.model:DIN471,DIN472,DIN6799,M1308,M1408,N1308,D1300,D1400,D1460,D1500,ETC
5.size:m10-m240
6.finish:black ,plain,zinc ,plain,etc
7.OEM accepted
8.competitive price and high quality
9.main market: Italy,England,Russia,Turkey,America,Canada,Brazil, Argentina,Peru,Ecuador,South Africa, Australia, New Zealand, Iran, etc


