永年縣華宇緊固件廠－專業生產DIN931/933德標螺栓,設備齊全,質量保證,質高價優！德標螺栓5000元/噸！我廠保證價高退款,質次退貨！

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德標螺栓級別,螺紋尺寸,,材質,抗拉強度(Mpa),,硬度(HRC),延伸率δ%,橫截面縮減率ψ%, ,d≤N16,35#、45#,800,22-32,12,52,M18≤d≤M24,d≥M27,40Cr,830,24-34, ,所有尺寸,,40Cr、35CrMoA,1040,32-39,9,48, ,所有尺寸,35CrMoA、42CrMoA,1220,39-44,8,44,,螺紋尺寸,M4,M5,M6,M7,M8,M10,M12,M14,M16,M18,M20,牙距,DIN931, , ,1,1, , , ,2,2, ,

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