Product Discription:
| Product Name |
Square head bolt |
| Standard |
ASTM B18.2.1 |
| Material |
carbon steel, alloy steel stainless steel, brass, etc. |
| Grade |
ASTM A307 Grade A, SAE J429 Gr.2, 5, 8; CL 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 |
| Size |
1/4"-3", M5-M64 |
| Surface treatment |
black, zinc plated, HDG, Dacromet, Nickel, Chrome,Geomet 500B, Magni |
| Delivery time |
25-45 days after down payment |
| Payment |
By T/T, 30% down payment, and balance before shipment |
| Package |
bulk in cartons + pallets |
Product Pictures:
Test Equipment:
Test Report:
Package:
Product list:
1. Bolts: hex bolt, hex cap screw, heavy hex bolt, heavy hex structural bolt, carriage bolt, hex flange bolt, square nuts, plow bolt, step bolt, shoulder bolt, tower bolt, T head bolt, timber bolt, guardrail bolt, hex socket cap screw.
2. Nuts: hex nut, heavy hex nut, square nut,hex flange nut, hex nylon lock nut, slotted nut, eye nut, hex cap nut, caps nut.
3. Washers: flat washer/ plain washer, fender washer, taper bolt, square washer,
helical spring-lock washer, hardened steel washers, external / internal tooth lock washer
Our Advantage:
1.
Strong Technical support: our engineer in fastener industry for about 20 years are hear for you.
2.
With 50 friend factories support, we can customize many non-standard fasteners according to the drawings or samples, as well as turning parts and stamping parts.
3.
10 years' experience in international trading industry.,
FAQ
1.Why choose Shanghai Hengrui?
Rich experience: we have more than 10-years staff to support all technical issues and sales issues.
Reputation: many of our customer are the project customers, especially in Municipal Projects.
2.What's MOQ?
900kg/size for bolt, 500kg/size for nut and washer
3.What's the payment?
By T/T, 30% down payment, and balance before shipment
4.What is the delivery time?
30-45 days in generally, the precise delivery time based on the detailed order
5.How to guarantee the quality?
For non standard products, the samples to be sent to customer before mass production.
and the material test report and inspection report will be sent to customer before shipment
Audited Supplier 
Audited Supplier 
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