Black Oxide Countersunk Socket 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: Are you a manufacturer or trading company?

The 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: Are OEM/ODM services provided?

Yes, Ningbo Bolt accepts OEM/ODM services.

3: How do you guarantee quality?

Ningbo Bolt follows strict quality control measures from raw materials to finished products, adhering to the ISO9001 quality management system. We ensure all products are 100% qualified and offer a lifetime warranty.

4: How can I trust you?

Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China with extensive experience in producing Bolts, Nuts, Threaded Rods, and Washers. We are a Gold member of *** and Made in China, with credit guarantees from *** Group. You can place orders directly through ***.

5: How about your pricing?

We offer high-quality products at reasonable prices. Please inquire, and Ningbo Bolt will provide you with a quote promptly.

6: How do you control quality?

Ningbo Bolt's QC team inspects every production link for each batch of goods. We can also provide MTC and mill certificates upon completion.

7: Can you provide free samples?

New customers can receive free samples of standard fasteners, with the client covering express charges. For existing customers, we offer free samples and cover express charges ourselves.

8: Do you accept small orders?

Yes, we accept orders of any size. Ningbo Steel Bolt Co., Ltd maintains ample stock of various fasteners and can produce them quickly. We offer a wide range of products, including Bolts, Nuts, Threaded Rods, and Washers.

9: What is your delivery time?

If the goods are in stock, we can deliver within 15 days. For quantities of 1-2 containers, delivery can be expected within 25-35 days.

10: What is your packaging?

Our standard packaging is 20-25kg per carton, with 36 or 48 cartons per pallet (approximately 900 kgs). We can also customize cartons with customer logos or according to specific requests.

11: What are your payment terms?

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