[email protected] +91-22-66343169 PED Approved · FMAI Member · Since 2010

Grade 5 8 Grade 8.8 10.9 Custom Steel HDG Hex Bolts A193 B7 A325 A490 Hexagon Heavy Nuts Hot Dip Galvanized ASTM Bolts And Nuts

Product Description

⚙️
Custom Engineering
OEM / ODM capabilities according to technical drawings and standards.
🛡️
Certified Quality
Compliant with ISO9001, CE, SGS, and BV international benchmarks.
⚡
Fast Fulfillment
1-3 days turnaround for stock products, and fast production cycles.
📋 Products Description
Product Name Hex Bolts with Nuts Washers, Hex Threading screw Bolts with Nuts Washers
Size M3-M80 (3/16''- 6''), ODM according to your request
Materials Carbon Steel (A394 A193 A194 A320 A325 A490, 35K, 45K, Q235...)
Alloy Steel (F11 / F12 / F22 / F91...)
Finish HDG, Hot-dip galvanized, Zinc, Black, PTFE, Xylan, Ceramic, Dacromet, MolyKote...
Grade Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9, SS A2 / A4,
SAE Class 2 / 5 / 8, SAE J429 Gr.2 / 5 / 8,
ASTM A394, A325, A194, A490, A660, A307, A394 Gr.A B7 B7M B8 B8M B16 etc.
Thread UNC, UNF
Standard ISO, DIN, ANSI, JIS, BS, GOST, etc. and Non-standard
Property Class Grade 4.8 / 8.8 / 10.9 / 12.9, SAE Class 2 / 5 / 8
MOQ Standard: 1 Pcs, Customized: according to customer's demand
Delivery Non Standard: normally 10-40 working days
Standard: 1-3 days if in stock
Certificate ISO9001, CE, SGS, BV
Advantage Competitive price
Superior quality
OEM ODM service
Packing PE/PP Bag + cartons (25kg Max.) + wood Pallet or according to customer special demand
Payment Terms T/T, L/C, Paypal, etc.
Application Oil & Gas, Petroleum Refinery, Structural Steel, Metal Building, Tower & Pole, Wind Energy, Mechanical Machine, Home Decorating, Electronics, Electrical Appliances, Electromechanical Devices, Small Appliances, Drones, Instruments, High-speed Rail, Motor, Furniture, Medical, Sports Equipment, etc.
Other Key Words HDG Bolt, HDG Bolts and Nuts, A325 HDG Bolts, A490 HDG Bolts, HDG Hex Bolt, Galvanized Bolts, Galvanized Bolts and Nuts, Hot Dip Galvanized Bolts and Nuts, A325 Galvanized Bolts, A490 Galvanized Bolts, Hot Dipped Galvanized Bolts and Nuts, HDG Heavy Hex bolt
🔍 Technical Details & Manufacturing Capabilities
Compliance Certification Verification
❓ Frequently Asked Questions (FAQ)
Q: What are the available materials and grades for these hex bolts?
We supply carbon steel (A394, A193, A194, A320, A325, A490, 35K, 45K, Q235, etc.) and alloy steel (F11, F12, F22, F91, etc.). Available grades range from metric Grade 4.8 to 12.9, stainless steel A2/A4, SAE Class 2/5/8, and ASTM standards such as A325, A490, and B7.
Q: Can I request custom dimensions or non-standard thread configurations?
Yes, comprehensive OEM and ODM services are supported. In addition to standard sizing from M3 to M80 (3/16'' to 6'') with UNC/UNF threads, custom specifications can be manufactured directly according to your drawings and technical requirements.
Q: What types of protective surface treatments and finishes are offered?
A variety of finishes are available to meet environmental and corrosion requirements, including Hot-Dip Galvanized (HDG), Zinc plating, Black oxide, PTFE, Xylan, Ceramic, Dacromet, and MolyKote coatings.
Q: What is the minimum order quantity (MOQ) and lead time?
For in-stock standard items, the MOQ is as low as 1 piece, with delivery within 1-3 working days. For custom non-standard orders, the MOQ depends on technical parameters, with standard delivery between 10 to 40 working days.
Q: What quality standards and certifications do the fasteners comply with?
Our manufacturing strictly follows ISO, DIN, ANSI, JIS, BS, and GOST standards. Products are certified under ISO9001, CE, SGS, and Bureau Veritas (BV) quality standards.
Q: How are the products packaged for overseas transit?
Standard export packaging includes heavy-duty PE/PP bags placed in cartons (maximum 25kg per carton), securely palletized on wooden pallets. Custom packaging configurations are also available upon request.

Related Products