Industry-Grade Metric Studs Carbon Steel Bolts

• Customization: Available
• Material: Steel
• Surface Finishing: Zinc Plated
• Model NO.: ASTM A320
• Grade: 4.8, 6.8, 8.8, 10.9, 12.9
• Certification: ISO
• Customized: Customized
• Studs Type: Metric Studs B1=1.25D
• 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 processes from raw materials to finished products following the ISO9001 quality management system, ensuring 100% qualified products with lifetime warranty support.



4. How can I trust you?
   
   As a reputable fasteners factory in China with years of production experience, we are a Gold member of *** and Made in China, backed by credit guarantees from *** Group.



5. What about your pricing?
   
   We offer high-quality products at reasonable prices. Contact us for a quote.



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 for 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, offering quick production.



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. What is your packaging?
    
    Our standard packaging is 20-25kg per carton, with customized logos available. We can also accommodate specific packaging requests.



11. What are your payment terms?
    
    We accept T/T, L/C, and D/P for general orders, and Paypal and Western Union for smaller orders or samples.