| Attribute |
Details |
| Type |
Flange Bolts (Integral Washer Head Bolts) |
| Material |
- Carbon Steel (ASTM A307, Grade 8.8/10.9)
- Stainless Steel (304/316, A2-70/A4-80)
- Alloy Steel (ASTM A490, Grade 12.9) |
| Finish |
- Zinc Plated (Yellow/White, RoHS/REACH Compliant)
- Hot-Dip Galvanized
- Dacromet Coating (Corrosion Resistance up to 1000+ Hours)
- Black Oxide |
| Head Style |
Flange Head with Hexagonal Drive (6-Lobe or 12-Point) |
| Thread Type |
- Metric (M6-M64, ISO 4762)
- Imperial (1/4"-2", UNC/UNF)
- Metric Fine (e.g., M10x1.5)
- Custom Threads (UNJ, Metric Trapezoidal) Available |
| Length |
- Metric: 10mm–300mm
- Imperial: 3/8"–12"
(Compliant with ISO 8677, ASME B18.2.1 Standards) |
| Strength Grade |
- Carbon Steel: 8.8, 10.9
- Stainless Steel: A2-70 (304), A4-80 (316)
- Alloy Steel: 12.9 (High-Tensile) |
| Standards Compliance |
- ISO 8677 (Flange Bolts)
- ASME B18.2.6 (Metric and Inch Series)
- EN 14399 (Structural Bolts, upon request) |
| Corrosion Resistance |
- Salt Spray Test: 500–1500 Hours (Depending on Finish)
- Marine-Grade Options for Coastal Applications |
| Packaging |
- Bulk: Poly Bags + Master Cartons
- Retail: Branded Boxes with Barcodes
- Palletized with Stretch Wrap for Logistics |
| Certifications |
- RoHS, REACH, CE
- ISO 9001:2015, ISO 14001
- Material Test Reports (MTR), Mill Certificates
- Optional: API 20E (Oil & Gas), NADCAP (Aerospace) |
| Applications |
- Industrial Machinery, Vehicle Engines, Pipeline Flanges, Structural Steel, Solar Farms, Wind Turbines |
| Minimum Order Quantity (MOQ) |
500 Pieces (Negotiable for OEM/ODM Orders) |
| Delivery Time |
10–25 Days (Standard Orders); 30–45 Days (Customized Orders) |
| Customization |
- Custom Flange Diameters/Thicknesses
- Special Thread Lubrication (e.g., Anti-Seize)
- Laser Engraving for Branding |
- Integrated Design: Flange head eliminates the need for separate washers, reducing assembly time and cost.
- Superior Load Distribution: Wider bearing surface minimizes substrate damage and improves joint stability.
- Global Compliance: Meets EU, US, and Asian standards for hassle-free customs clearance.
- Industry Versatility: Available in marine-grade stainless steel for offshore use and high-tensile alloy steel for heavy machinery.
- Bulk Pricing: Competitive rates for distributors, with flexible terms (FOB/CIF/EXW) and fast turnaround for urgent orders.
Let me know if you need adjustments for specific markets (e.g., North America, EU, or Southeast Asia)!
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!
