Flange Head Hex Bolts Black Oxide Finish

• Customization: Available
• Material: Steel
• Type: Hexagon Head
• Model NO.: DIN7991
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN
• Grade: 8.8, 10.9, 12.9
• Application: Machinery, Chemical Industry, Environmental, Building, Industry
• Finish: Plain
• Packing: Cartons+Plastic Bags
• Head Type: Hexagon Flange Head
• Surface Treatment: Black Oxide
• Transport Package: Carton+Pallet
• Specification: M6-M100
• Trademark: ningbo-bolt
• Origin: Zhejiang, China
• Production Capacity: 100000 Piece/Pieces Per Month

Product Description

item	value
Finish	Plain
Material	Steel
Place of Origin	China
	Zhejiang
Model Number	DIN7991
Standard	DIN
Material	Steel
Surface treatment	Black Oxide
Application	Industry
Packing	Cartons+plastic Bags
Head type	Hexagon Flange Head

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 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, recognized as a Gold member of *** and Made in China with credit guarantees from *** Group.



5. What about your pricing?
   
   We offer high-quality products at competitive 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 request 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 for specific products.



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 is available upon request.



11. What are your payment terms?
    
    We accept T/T, L/C, and D/P for general orders, while PayPal and Western Union are accepted for small or sample orders.