China-based manufacturer Gangtong Zheli offers high-quality ASTM A193 B7m OEM Carbon Steel HDG Threaded Stud Bolts with full threading. These bolts are manufactured using carbon steel grade 8.8, distinguished by the characteristic color of carbon steel. They adhere to the American standard B7 material specifications, commonly used as connecting parts beneath finger racks. These threaded studs are versatile and find applications in construction, decoration, and various assembly projects.
The threaded section length is adjusted to ensure that, after tightening, the nut is exposed by a spacing of 1-2 units. Stainless steel variants in materials 304 and 316 are also available for specific applications.
With a longstanding commitment to fastener production, Gangtong Zheli maintains a professional testing department accredited with relevant certifications. Our stringent production management ensures top-notch quality and performance, providing assurance to customers. We specialize in customization, offering non-standard parts tailored to customer requirements. Additionally, we accommodate customization requests by providing drawings aligned with customer specifications.
We prioritize secure transactions and aim to establish enduring partnerships built on trust and mutual satisfaction.
Tech.Standards | Material | Grade | Size | Finish | |||
Thread rod | DIN/ASTM | 1008 |
GB Standard 4.8 Grade ASTM Standard Grade2 |
M2-M120 1/2-5" |
ZINC,HDG,Black | ||
Hs3404 | ASTM193/A193M |
GB Standard
25CrMoVA 0Cr17Ni12Mo2 etc ASTM
standard tainless steel |
GB standard
12.9 A2-70,A4-70 B8M,B16 L7, L7M, BC,BD,660A, 660B,651A,651B |
GBstandard M12-M120 ASTM Standard 1/2-5" |
Black,zinc plated
HDG,Cadmium
Passivation PFA ETFE) |
||
HG/T20634 | ASTM320/A320M | ||||||
HG/T20613 | ASTMA354 | ||||||
JB/T4707 | ASTMA453 | ||||||
SH3404 | ASTMA194/194M |
GB Standard 25CrMoVA, 0CR18Ni9,45#,
0Cr17Ni12Mo2 stainless steel |
GB Standard A2-70,A4-80 ASTM Standard 660A 660B 651A, 651B 2H,2HM,4, 6.7,8,16O,A,B,C, D,DH |
GB or DIN
standard |
Black,zinc plated
HDG,Cadmium
Passivation PFA ETFE) |
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HG/T20613 | ASTMA563/563M | ||||||
HG/T20634 |
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HG/T21573.3 |
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