High-Strength Threaded Studs & Rods – B7, B8, 8.8, 10.9, 12.9

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

Strength Grades:
ASTM/ASME: B7, B7M, B16, B8, B8M, B8C Class 1
ISO/Property Class: 8.8, 10.9, 12.9
Applicable Standards:
Studs/Rods: GB 897, GB 898, GB 900, GB 901, GB 9125, HG/T 20634, HG/T 20613, JB/T 707, SH/T 3404, DIN 938, DIN 939, IFI 136
Hex Bolts: ISO 4014, IFI 155, DIN 6914, DIN 912, DIN 7991, ASTM A325, A490, A394, DIN 6921, AS 1252, ANSI B18.3, EN 14399
Materials Available:
Carbon/Alloy Steel: 45K, AISI 4140, 4340, 4145, 1045, 40Cr, 35CrMo
Stainless Steel: AISI 304 (S30400), 316
Customization:
Supports custom length, thread type (metric/imperial), surface treatment (zinc, HDG, Geomet®, Dacromet®), and special testing (e.g., PMI, tensile, hardness).