Black Oxide Hex Flange Head Screws

• Material: Steel
• Standard: DIN
• Application: Industry
• Finish: Plain
• Packing: Cartons+Plastic Bags
• Head Type: Hexagon Flange Head
• Model NO.: DIN7991
• Surface Treatment: Black Oxide
• 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. 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. OEM/ODM Services?

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

3. Quality Guarantee?

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

4. Building Trust?

As a reputable fasteners factory in China, Ningbo Steel Bolt Co., Ltd has years of production experience and is a Gold member of *** and Made in China, with credit guarantees from *** Group.

5. Pricing?

High-quality products at reasonable prices. Contact us for a quote.

6. Quality Control?

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

7. Free Samples?

New customers can receive free samples for standard fasteners, with express charges covered by the client. Old customers receive free samples with express charges covered by us.

8. Accepting Small Orders?

We accept all orders and maintain stock for various fasteners, with the ability to produce quickly.

9. Delivery Time?

Goods in stock can be delivered within 15 days, while larger quantities may take 25-35 days.

10. Packaging?

Our standard packaging is 20-25kg per carton, with customized options available upon request.

11. Payment Terms?

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