| Customization: | Available |
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| Material: | Carbon Steel |
| Type: | Round Head |
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| Round Head Square Neck Bolts | |
| Standard: | DIN, GB, ANSI/ASME |
| Category: | ANSI/ASME B18.5, DIN603, GB12, GB14, GB801, US Round Head Square Neck Bolts, Small Half-round Head Square Neck Bolts or according to customer special demand. |
| Diameter: | M4, M5, M6, M8, M10, M12, M14, M16, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11 |
| Grade: | Grade 4.8,8.8, A2-70, A4-70, F593C, Grade4-12, U.S. Grade 2,5,8 or according to customer special demand. |
| Thread: | M,UNC,UNF |
| Finish: | Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel. |
| Packing: | Cartons (26*26*14 cm) + Pallets (113*85 cm, 48 cartons) |
| Application: | Structural Steel; Metal Buliding; Mechanical Machine; Automobile; Home Decorating. |
| Certification: | ISO9001, IATF16949 |
| Trade Term: | FOB/CIF/CFR/EXW/CIP |
| Payment: | T/T, D/A , D/P ,West union,Paypal, etc. |
| Lead Time: | 3~15 days after order confirmed, it will based on the detailed order quantity. |
| Market: | Europe / South&north Amrica / East&South east Asia / Middle East / Australia and etc. |
| Warranty: | We confirm our goods will satisfy your request of 100%. |
| After Sales Service: | We will follow up the goods for every customer and help solve problem after sales. |
Established in 2004, we are a professional fastener manufacturer based in Hangzhou, China. With almost 20 years of industry experience, we specialize in producing a wide range of imperial and metric fasteners, including DIN, ANSI, ASME, ISO, JIS, BSW, and more. Our product portfolio also extends to CUSTOM fasteners to meet specific requirements. Over the years, we have successfully exported our products to Europe, North America, and other regions, helping numerous suppliers and manufacturers expand their markets.
1. Bolts: hex head bolts, hex socket bolts, carriage bolts, flange bolts, etc
2. Screws: machine screws, self-drilling screws, set screws, 12.9 shoulder screws, hex head wood screws, self-tapping screws, etc
3. Nuts: hex nuts, k-nuts/k-lock nuts, nylon inserted nuts, stamped metal self-locking nuts, hex flange nuts, cap nuts, rivet nuts, etc
4. Non-standard fasteners: semi-hollow rivets, step rivets, etc
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