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Categories | Metal Screw Fastener |
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Place of Origin: | Guangdong, China |
Brand Name: | FineExpress |
Model Number: | Stud Bolt |
MOQ: | 30000 |
Price: | $0.05/pieces 1000-29999 pieces |
Payment Terms: | T/T, L/C, D/A, D/P |
Supply Ability: | 500000000 Piece/Pieces per Week |
Delivery Time: | 7~15 Working Day |
Packaging Details: | 1.1000pcs / plastic bag,20kgs/ carton ,then put on the wood pallet , 2.Carton size:28cm*18cm*13cm, 3.Wood pallet size:118cm*113cm,Weight:700~800Kg Bulk:0.8 cubic 4.The weight of 20 FT Container:20~25 Tons 5,As your requirements |
Finish: | ZINC, Plain, Custom made |
Material: | Stainless steel, Steel |
Standard: | DIN, ISO, JIS |
Grade: | 4.8/ 8.8/ 10.9/ 12.9 Ect |
Delivery time: | In stock 7~15 working days, customized 25~30 working days |
Payment: | T/T. 30% Deposit.Western Union |
Certificate: | IATF16949:2016/ISO9001:2015/ISO14001:2015 |
MOQ: | 1 piece in stock, 30,000 pcs customized |
Length: | 10mm-180mm |
Company Info. |
Finexpress Precision Manufacturing (dongguan) Co., Ltd |
Verified Supplier |
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Product List |
Product Overview
Engineered for extreme environments, our ASTM A320 L7 Steel Stud Bolts deliver unmatched strength, durability, and corrosion resistance
for critical applications in low-temperature and high-pressure
systems. Customizable in length, diameter, and threading, these
zinc-plated stud bolts are precision-manufactured to meet rigorous
industrial standards, making them ideal for oil and gas,
petrochemical, and marine industries where reliability is
non-negotiable.
✅ ASTM A320 L7 Compliance
Crafted from alloy steel grade L7, these stud bolts excel in
sub-zero temperatures (down to -150°F / -101°C) and high-stress environments, ensuring toughness and impact
resistance.
✅ Zinc Plated Finish
Electroplated zinc coating provides superior corrosion protection
against moisture, chemicals, and saltwater, extending service life
in harsh conditions.
✅ Fully Customizable
Tailor dimensions and specs to your needs:
✅ High Tensile Strength
Heat-treated to Rockwell C28–32 hardness, with a tensile strength of 150 ksi (1,034 MPa), ensuring resistance to shear, fatigue, and deformation.
✅ Global Certification
Complies with ASTM A320, ASME B16.5, ISO 898-1, and NACE MR0175 for
sour service environments.
Material: ASTM A320 L7 Alloy Steel
Finish: Zinc Plated (Standard), Optional Hot-Dip Galvanized or Xylan Coating
Diameter: M6–M36 (Custom Sizes Available)
Length: 10mm (Standard), Customizable up to 500mm
Thread Standards: ISO, DIN, ANSI, or Custom
Temperature Range: -150°F to 650°F (-101°C to 343°C)
Load Capacity: Up to 1,200 MPa (Dependent on Size)
Certifications: ASTM A320, NACE MR0175, ISO 9001, ROHS
More Detail Informations | ||
Available Material | 1.Stainless Steel: SS303, SS304, SS316, SS410, SS420; 2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045; 3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ; 4.Aluminum: Al6061, Al6063 etc or as your requirements | |
Head type | CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval
Head,Button Head,Cap Head,Cheese Head,etc. | |
Hardness | Carbon Steel:HRC:28~35 ,HV450~700 Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9) | |
Finish | Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation
black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc. | |
Sample Available | The sample is free of charge if we have the existing tooling,you
only need to pay for the freight cost | |
Delivery time | Samples time 3-5 working days, Lead time 20-25 working days | |
Pricing Term | EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc. | |
Packing | Bulk in PE bag or Small boxes.then in carton .pallet | |
Payment term | TT (30% in advance as deposit, balance before delivery) , L/C,
Western Union,PayPal etc | |
Management system | ISO9001:2015 | |
Certificate | ISO,ROHS |
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