The grade standards for the Stud series include B7/B7M/B16/B8/B8M/B8C CL1/8.8/10.9/12.9;
Hex bolt main series: ISO4014 IFI155 DIN6914 DIN912 DIN7991 A325 A490 A394 DIN 6921 AS-1252 ANSI B.18.3 EN14399
Optional material: 45K AISI4140/4340/4145/1045 40Cr 35Crmo AISI304/S30400/316/
Stud bolt tap end stud full thread: GB897 GB898 GB900 GB901 GB9125 HG20634 HG20613 JB707 SH3404 DIN938 DIN939 IFI136
Measure system: Inch/Metric/Imperical
Threaded Rods (Stud Bolts, Fully Threaded Bars)
Available grades: B7, B7M, B16, B8, B8M, B8C Cl.1, 8.8, 10.9, 12.9
Compliant with standards: GB, ISO, DIN, JIS, ASME, GOST, AS
Customization: Accepted per drawing or specification (material, thread type, length, coating, etc.)

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