Product Discription:
| Product Name |
Square head bolt, square headed bolt, square 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 |
| Fine |
black, zinc plated, HDG, Dacromet, Nickel, Chrome,Geomet 500B, Magni, polishing |
| Delivery time |
15-30 days in peak season, 25-45 days in off season |
| Payment |
L/C, T/T, Western union, paypal, etc. |
| Package |
bulk in cartons + pallets |
Product Pictures:
Test Equipment:
Test Report:
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.
4. Non standard fasteners: based on customer's drawing or samples
5. Turning parts, the processes including: turning, grinding, milling, drilling holes, knurling
5. stamping parts, the process including: stamping, cutting, bending, welding, drilling holes.
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.
Audited Supplier 
Audited Supplier 
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