| Attribute | Details |
|---|
| Type | Hot-Dip Galvanized Hex Head Bolts (Also Known as Structural Hex Bolts) |
| Material | - Carbon Steel (ASTM A307, Grade 4.8/8.8/10.9)
- Low Carbon Steel (for Galvanizing Adhesion)
- Optional: Stainless Steel (304/316 with Post-Galvanized Coating) |
| Finish | - Hot-Dip Galvanized (ISO 1461, ASTM A153) – Coating Thickness: 85–120μm
- Clear Chromate Conversion Coating (RoHS-Compliant)
- Optional: Yellow/Blue Passivation |
| Head Style | Hexagonal Head (6-Sided) with Flat Washer Face |
| Thread Type | - Metric (M6-M64, ISO 4014/4017)
- Imperial (1/4"-4", UNC/UNF)
- Heavy Hex Threads (ASME B18.2.1) for Structural Applications |
| Length | - Metric: 10mm–500mm
- Imperial: 1/2"–20"
(Compliant with ISO 8765, ASME B18.2.6 Standards) |
| Strength Grade | - Carbon Steel: 4.8, 8.8, 10.9
- Structural Grade: ASTM A325 (High-Strength Bolts for Steel Construction) |
| Standards Compliance | - ISO 4014 (Hex Head Bolts)
- ASTM A307 (Carbon Steel Bolts)
- ASTM A193/A194 (For High-Temperature Applications)
- EN 14399 (Structural Bolts for Europe) |
| Corrosion Resistance | - Salt Spray Test: 1000+ Hours (Hot-Dip Galvanized)
- Suitable for Outdoor/Marine/Industrial Environments |
| Packaging | - Bulk: Polypropylene Bags in Master Cartons
- Palletized with UV-Resistant Wrapping
- Custom Branded Boxes (MOQ 5000+ Pieces) |
| Certifications | - ISO 1461 (Hot-Dip Galvanizing Standard)
- CE, RoHS, REACH
- Material Test Certificates (MTC) with Zinc Coating Thickness Report
- Optional: ISO 3834 (Welding Compliance for Structural Projects) |
| Applications | - Structural Steel Construction (Bridges, Buildings, Towers)
- Heavy Machinery, Agricultural Equipment, Outdoor Furniture
- Pipeline Infrastructure, Solar Panel Mounting |
| Minimum Order Quantity (MOQ) | 500 Pieces (Standard Sizes); 2000 Pieces (Custom Sizes) |
| Delivery Time | 15–30 Days (Standard Orders); 35–45 Days (Hot-Dip Galvanized Custom Orders) |
| Customization | - Custom Thread Lengths (e.g., Short Thread for Thick Flanges)
- Special Head Sizes (Heavy Hex per ASME B18.2.6)
- Anti-Corrosive Lubrication Coating |
- Superior Corrosion Protection: Hot-dip galvanizing provides a durable zinc layer that prevents rust in harsh environments, ideal for outdoor and industrial use.
- Structural Compliance: Meets ASTM A325 and EN 14399 standards for high-strength structural applications, ensuring safety in construction projects.
- Cost-Effective Wholesale: Competitive pricing for bulk orders, with reduced logistics costs via palletized shipping (FOB/CIF/DAP terms available).
- Global Acceptance: Widely recognized in North American, European, and Asian markets, with certifications for seamless import into regulated regions.
- Quick Turnaround: Standard sizes available in stock for urgent orders, the galvanizing process ensures consistency across large batches.
Need adjustments for specific regions (e.g., Australian/New Zealand standards or North American ASTM vs. European EN)? Let me know!
JH Bolt Co., Ltd is a professional manufacturer of different types of bolts with more than 15 years rich manufacturer experience. The factory area is more than 1500 squares with more than hundreds different types ofnevproduction machines. There are more than 50 people who work here for at least 5 years.With quality &customer frst, staffs second, then company, Our products are widely recog-nized and trusted by users all over the world. Proft for the development of communication, We are here for you 12 hours a day, 7 days a week!
