| Attribute |
Details |
| Type |
Hex Head Bolts (Standard and Heavy Hex Options) |
| Material |
- Carbon Steel (ASTM A307 Grade 4.8/8.8/10.9, ISO 898-1 Grade 4.8/8.8/10.9)
- Stainless Steel (304/316, A2-70/A4-80)
- Alloy Steel (ASTM A490 Grade 12.9) |
| Finish |
- Zinc Plated (Yellow/White/Blue, RoHS/REACH Compliant)
- Hot-Dip Galvanized (ASTM A153, ISO 1461)
- Black Oxide
- Dacromet (Corrosion Resistance up to 1500 Hours) |
| Head Style |
- Standard Hex Head (ISO 4014, ASME B18.2.1)
- Heavy Hex Head (Thicker Head for Higher Torque, ASME B18.2.6) |
| Thread Type |
- Metric (M4-M100, ISO 4017/4014)
- Imperial (1/4"-4", UNC/UNF)
- Metric Fine (e.g., M12x1.75)
- Custom Threads (UNJ, BSW) Available |
| Length |
- Metric: 5mm–1000mm
- Imperial: 1/4"–40"
(Compliant with ISO 8765, ASME B18.2.6 Standards) |
| Strength Grade |
- Carbon Steel: 4.8, 8.8, 10.9, 12.9
- Stainless Steel: A2-70 (304), A4-80 (316)
- Alloy Steel: 12.9 (Tensile Strength up to 1220 MPa) |
| Standards Compliance |
- ISO 4014 (Hex Head Bolts)
- ASME B18.2.1 (Inch Series)
- EN 14399 (Structural Bolts for Europe)
- ASTM A325/A490 (High-Strength Structural Bolts) |
| Corrosion Resistance |
- Salt Spray Test: 500–1500 Hours (Depending on Finish)
- Marine-Grade Options (Stainless Steel 316 or Triple-Zinc Coating) |
| Packaging |
- Bulk: Poly Bags in Cartons (Up to 50kg per Carton)
- Palletized (1000–5000 Pieces per Pallet)
- Retail: Blister Packs or Custom Branded Boxes |
| Certifications |
- CE, RoHS, REACH
- ISO 9001:2015, ISO 14001
- Material Test Certificates (MTC) with Chemical/Mechanical Properties
- Optional: API 20E (Oil & Gas), NADCAP (Aerospace) |
| Applications |
- Construction (Structural Steel, Bridges), Automotive, Machinery, Oil & Gas, Renewable Energy
- General-Purpose and High-Stress Applications |
| Minimum Order Quantity (MOQ) |
500 Pieces (Standard Sizes); 2000 Pieces (Custom Sizes/Finishes) |
| Delivery Time |
10–25 Days (Standard Orders); 30–45 Days (Customized Orders) |
| Customization |
- Non-Standard Sizes (Oversized/Undersized)
- Special Coatings (PTFE, Anti-Seize)
- Laser Engraving (Part Numbers, Logos) |
- Versatility: Available in multiple materials and finishes to suit diverse environments (e.g., stainless steel for marine use, alloy steel for heavy machinery).
- Global Standards: Compliant with major international regulations (ISO, ASTM, EN), ensuring easy integration into projects worldwide.
- Cost-Effective Wholesale: Competitive pricing for bulk orders, with flexible shipping terms (FOB/CIF/EXW) and discounts for repeat customers.
- Quality Assurance: Manufactured in ISO-certified facilities with 100% dimensional and torque testing to ensure reliability.
- Rapid Delivery: Stocked standard sizes for urgent orders, with streamlined production for customized requirements.
Let me know if you need to emphasize specific regions (e.g., North American ASTM vs. European EN standards) or add industry-specific certifications!
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!
