Finexpress Precision Manufacturing (dongguan) Co., Ltd
| 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 |
| Place of Origin | Guangdong, China |
| Brand Name | FineExpress |
| Model Number | Stud Bolt |
View Detail Information
Explore similar products
Album Menu Wallet Brass Solid Binding Knurled Chicago Screw with INCH Measuremen
Non-standard Torx Drive Pan Head PT Thread Forming Stainless Steel WN5451 PT
Custom Metal Stainless Steel Brass Titanium Binding Screw for Leather RoHs
ROHS Certified Custom Dowel Pin for CNC Lathing of Aluminum Brass and Stainless
Product Specification
| 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 | Place of Origin | Guangdong, China |
| Brand Name | FineExpress | Model Number | Stud Bolt |
| High Light | Customized Steel Stud Bolt ，A320 L7 Steel Stud Bolt ，ZINC Finish A320 L7 Stud Bolts | ||
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 | |
Company Details
Business Type:
Manufacturer
Year Established:
2002
Total Annual:
5000000-6000000
Employee Number:
101~200
Ecer Certification：
Verified Supplier
FinEx Precision fastener company is a manufacturer specializing in the production and sales of screws, nuts, rivets, springs, customize hardware and other industrial fasteners.More than 20 years of experience in the field of fasteners with a 6,000 square meters factory, a 70 people team and has obta... FinEx Precision fastener company is a manufacturer specializing in the production and sales of screws, nuts, rivets, springs, customize hardware and other industrial fasteners.More than 20 years of experience in the field of fasteners with a 6,000 square meters factory, a 70 people team and has obta...
Get in touch with us
Leave a Message, we will call you back quickly!