We specialize in crafting threaded screws made of carbon steel grade 8.8, exhibiting the characteristic color of carbon steel. These screws adhere to the American standard B7 material and serve as pivotal connecting parts installed beneath finger racks. They find extensive use in construction and decoration projects due to their versatility.
The threaded section length is adjusted to ensure the nut is exposed by 1-2 spacing units post-tightening for optimal functionality. Additionally, we offer stainless steel variants in materials 304 and 316, catering to specific needs.
Having devoted ourselves to fastener production for numerous years, our company boasts a professional testing department certified for comprehensive quality assessments. Our rigorous production management ensures top-notch quality, providing reliable products.
We excel in customizing non-standard parts, tailoring solutions to meet unique customer requirements. Moreover, we offer customized solutions, providing drawings meticulously aligned with customer specifications.
Customers can trust us for secure transactions and count on us for establishing enduring partnerships, founded on trust and mutual satisfaction for long-term collaboration.
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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