Zinc-Finished ASTM A320 Carbon Steel Fasteners

• 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 maintain strict quality control from raw materials to finished products following the ISO9001 quality management system, ensuring all products are 100% qualified with lifetime warranty support.

4. How can I trust you?

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

5. What about your pricing?

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

6. How do you control quality?

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

7. Do you provide free samples?

New customers can receive 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 maintain stock for various fasteners, with the ability to produce quickly if needed.

9. What is your delivery time?

If in stock, we can deliver within 15 days. For larger quantities, delivery may take 25-35 days.

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 or specific requests is also available.

11. What are your accepted payment methods?

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