ASTM A320 B1=1.25D Heavy Hex Bolts

• Material: Steel
• Surface Finishing: Zinc Plated
• Grade: 4.8, 6.8, 8.8, 10.9, 12.9
• Certification: ISO
• Customized: Customized
• Studs Type: Metric Studs B1=1.25D
• Model NO.: ASTM A320
• Finish: Zinc
• Application: Industry
• Customized Support: OEM
• Surface Treatment: Black Oxide
• Transport Package: Carton
• Specification: M6-M100
• Trademark: ningbo-bolt
• Origin: Ningbo, China
• Production Capacity: 100000 Piece/Pieces Per Month

Product Description

item	value
Finish	ZINC
Material	Steel
Model Number	A320 bolts
Standard	Custom
Material	Steel
Surface treatment	Zinc Plated
Application	Industry
Product name	HEAVY HEX BOLTS

Ningbo Steel Bolt Co., Ltd - FAQ

Frequently Asked Questions

1. Are you a manufacturer or trading company?

Ningbo Steel Bolt Co., Ltd is a manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.

2. Do you provide OEM/ODM services?

Yes, Ningbo Steel Bolt Co., Ltd accepts OEM/ODM orders.

3. How do you guarantee quality?

We have strict quality control measures in place, following the ISO9001 quality management system, ensuring that all products are 100% qualified and backed by a lifetime warranty.

4. How can I trust your products?

Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China, with Gold membership on *** and Made in China, providing credit guarantees. Orders can be placed directly through *** for added security.

5. What about your pricing?

We offer high-quality products at competitive prices. Contact us for a quote tailored to your needs.

6. How do you ensure quality control?

Our QC team inspects every production link for each batch of goods, providing Material Test Certificates (MTC) and mill certificates upon completion.

7. Do you offer free samples?

New customers can request free samples of standard fasteners, with express charges covered by the client. Returning customers receive free samples with express charges covered by us.

8. Do you accept small orders?

Yes, we accept orders of any size and keep a variety of fasteners in stock. Custom orders can also be produced quickly.

9. What is your delivery time?

For in-stock items, we can deliver within 15 days. Larger quantities may take 25-35 days for delivery.

10. How do you pack your products?

Our standard packing is 20-25kg per carton, with 36 or 48 cartons per pallet. Customized packaging with logos is available upon request.

11. What are your accepted payment methods?

We accept T/T, L/C, and D/P for general orders, as well as PayPal and Western Union for small or sample orders.