Send Email
8613930077493
0102030405
China Suppliers Factory for Guardrail Bolt and Nut Hardware, Grade 4.6 HDG, M3-M36 Sizes Available
| 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 Range: M6-M64.
Advantages
-
✦
All sizes can be customized to meet specific project needs.
-
✦
Highly cost-effective solution for highway safety systems.
-
✦
Long service life designed to withstand harsh outdoor environments.
-
✦
Hot dipped galvanized finish ensures superior rust and corrosion resistance.
Notice
Please let us know the Size, quantity, Material or Grade, and surface finish. If it is a special or non-standard product, please supply the Drawing, Photos, or Samples to us.
Frequently Asked Questions
Q
What standards do your guardrail bolts and nuts follow?
Our products are manufactured according to international standards including DIN931, DIN933, DIN912, DIN603, ASTM, JIS, and BSW. We also manufacture non-standard bolts customized to your specific order requirements.
Q
What materials and grades are available for your guardrail fasteners?
We offer carbon steel (Grades 4.8, 5.8, 6.8, A307), alloy steel (Grades 8.8, 10.9, 12.9, A325, A490), and stainless steel (Grades A2-50, A4-50, A2-70, A4-70, and more) to suit various load and environmental conditions.
Q
How do you ensure the corrosion resistance of highway guardrail bolts?
We apply high-quality surface treatments, primarily Hot Dipped Galvanizing (H.D.G.) and powder painting, which provide excellent corrosion resistance and ensure a long outdoor service life.
Q
What is the minimum order quantity (MOQ) and monthly supply capacity?
Our minimum order quantity is 500 kgs for each unique specification. We have a robust manufacturing capability with a monthly supply limit of up to 1000 tons.
Q
What quality control testing equipment do you use?
We utilize professional testing equipment including 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 to guarantee high quality.
Q
Do you provide product samples and quality guarantees?
Yes, we provide free product samples for verification. Additionally, we provide material and test reports with our products and offer a 2-year quality guarantee period after shipment.