Anti-Corrosion HDG Nut Flat Spring Washer For Road Safety Barrier Fittings

Product Function

Hot dip galvanized nut and washer sets consist of nuts, flat washers and spring washers, matching all W-beam guardrail accessories including guardrail posts, terminals and splice plates. Lock all barrier components together with bolts, expand contact stress area, resist loosening caused by vehicle vibration and ground settlement, and stabilize the whole road safety system.

Application Scenarios

W-beam guardrail installation for highways, national roads, municipal roads, bridges, scenic areas and parking lots, compatible with 2-wave and 3-wave guardrail series.

Advantages of HDG Nut & Washer

1. Made of Q235 carbon steel by stamping, high hardness and excellent tensile resistance.

2. Full hot dip galvanization with 60–120μm zinc coating, superior salt spray & rain corrosion resistance, long service life in coastal humid areas.

3. Firm zinc coating, no peeling or scratch during long ocean transportation.

4. Complete standard sizes, perfectly matched with guardrail bolts, tight locking without slipping threads.

5. Fully customizable in size, specification and zinc thickness based on client demands.

6. Negotiable price and lead time, factory certified with ISO9001, ISO14001, ISO45001 three management systems.

7. FAQ:

   Q1: What products are your nuts and washers matched with?
   A: They are supporting fasteners for W beam guardrail, guardrail posts, terminals and connection plates.
   Q2: Can you customize different sizes of nuts and washers?
   A: Yes, various specifications can be customized according to your drawing and project standard.
   Q3: How thick is the zinc coating?
   A: Standard zinc layer is 60-120μm, adjustable as your anti-rust requirement.
   Q4: Are prices and delivery time negotiable?
   A: Yes, unit price and production lead time can be discussed based on your order quantity.
   Q5: Do you have certifications for export bidding?
   A: Our factory has passed ISO three-in-one system certifications, relevant test reports can be supplied.
   Q6: How do you pack the fasteners for sea shipment?
   A: Packed in woven bags or cartons, moisture-proof packaging to avoid rust during transit.