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China Suppliers Factory: HDG Guardrail Bolts and Nuts Grade 4.6, Sizes M3~M36, Durable Hardware Solutions
| Guardrail Bolt Specifications | |
|---|---|
| Size | 5/8-11 X 1 1/4″, 5/8-11 X 2″, 5/8-11 X 8″ |
| Material | Carbon Steel |
| Grade | A307 Type A |
| Finish | H.D.G., Powder painting |
| Head type | Cross round head, hex head, round head oval neck, cutting edge round head, etc |
| Packing | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
| Application | Highway Guardrail Hardware |
| Test Equipment | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detector |
| Supply Ability | 1000 tons per month |
| Minimum Order | 500kgs for each specification |
| Trade Term | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment | T/T, L/C, D/A, D/P, etc |
| Market | South&north America/Europe/East&South east Asia/ Australia and etc. |
| Professional | More than 15 years experience in fasteners industry. Our Main market is North&South America and proficient in IFI standard. |
| Our Advantage | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free; With 2 years quality guarantee period after shipment. |
Guardrail Bolts and Nuts
Guard rail bolts are important parts of guardrail system. Wuhan Dachu can manufacture different types of bolts and nuts, such as anti-theft bolts, for guard rail beam and post. Standard: DIN931/933/912/DIN603, ASTM, JIS, BSW, Nonstandard bolt (according to your order) and etc.
Material and Grade
Carbon Steel
Grade: 4.8, 5.8, 6.8, GR.2, A307.
Alloy Steel
20MnTiB, 40Cr, 42CrMo. Grade: 8.8, 10.9, 12.9, GR.2, GR.5, GR.8, A325-1, A490-1, GR.B7, GR.B7M.
Stainless Steel
302, 304, 305, 316, 304L, 316L, 410, 430. Grade: A2-50, A4-50, A2-70, A4-70, GR.B8, GR.B8M.
Surface Treatment: Great Corrosion Resistant
Size: M6-M64
Advantages
- 1. All size can be customized.
- 2. Cost-effective.
- 3. Long service life.
- 4. Hot dipped galvanized.
Notice: Please let us know the Size, quantity, Material or Grade, surface. If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us.
Frequently Asked Questions (FAQ)
What standards can you manufacture for guardrail bolts and nuts?
We manufacture different types of bolts and nuts according to DIN931/933/912/DIN603, ASTM, JIS, BSW, and non-standard specifications customized to your order.
What materials and grades do you offer?
We offer Carbon Steel (Grades 4.8, 5.8, 6.8, GR.2, A307), Alloy Steel (Grades 8.8, 10.9, 12.9, GR.2, GR.5, GR.8, A325-1, A490-1, GR.B7, GR.B7M), and Stainless Steel (Grades A2-50, A4-50, A2-70, A4-70, GR.B8, GR.B8M).
What sizes are available for your guardrail bolts?
Standard sizes include 5/8-11 X 1 1/4″, 5/8-11 X 2″, and 5/8-11 X 8″. Additionally, we provide sizes ranging from M6 to M64, and all sizes can be fully customized.
What is your minimum order quantity (MOQ) and supply capacity?
Our minimum order quantity is 500kgs for each specification, and we have a monthly supply ability of up to 1000 tons.
What testing equipment do you use to ensure quality?
Our quality control process utilizes Calipers, Go & No-go gauges, Tensile test machines, Hardness testers, Salt spraying testers, H.D.G thickness testers, 3D detectors, Projectors, and Magnetic flaw detectors.
Do you offer product guarantees and samples?
Yes, we provide samples for free. We also supply material and test reports, and include a 2-year quality guarantee period after shipment.