Black Oxide Hex Head Bolts DIN 931

• Customization: Available
• Material: Steel
• Type: Hexagon Head
• Model NO.: DIN931
• Head Style: Hexagonal
• Standard: DIN
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building, Industry
• Finish: Plain
• Packing: Cartons+Plastic Bags
• Head Type: Hexagon Flange Head
• Surface Treatment: Black Oxide
• Metal: 35K
• Transport Package: Cartons+Plastic Bags
• Specification: M20X100
• 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	DIN931
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 fasteners factory with extensive 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 measures from raw materials to finished products, following the ISO9001 quality management system. All our products are 100% qualified and come with a lifetime warranty.

 

4. How can I trust your products?

 

Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China with years of experience. We are 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 ensure quality control?

 

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

 

7. Do you provide free samples?

 

We offer free samples for standard fasteners to new customers, 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 large stock of various fasteners. We can also produce items quickly to meet your needs.

 

9. What is your delivery time?

 

If the goods are 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. We can also customize cartons with logos or according to customer requirements.

 

11. What payment methods do you accept?

 

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