Construction Grade Black Oxide Hex Bolts

• Material: Steel
• Type: Round Head
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN
• Grade: 4.8, 6.8, 8.8, 10.9
• Model NO.: DIN 603
• Application: Machinery, Chemical Industry, Environmental, Building, Industry
• Finish: Plain
• Head Type: Mushroom
• 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	DIN603
Standard	DIN
Material	Steel
Surface treatment	Black Oxide
Application	Industry
Head type	Mushroom

Ningbo Steel Bolt Co., Ltd - FAQ

Frequently Asked Questions

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.

Do you provide OEM/ODM services?

Yes, Ningbo Bolt accepts OEM/ODM orders.

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, ensuring all products are 100% qualified with lifetime warranty support.

How can I trust you?

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

What about your pricing?

Ningbo Bolt offers high-quality products at reasonable prices. Contact us for a quote.

How do you control quality?

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

Do you provide 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 Ningbo Steel Bolt Co., Ltd.

Do you accept small orders?

Yes, Ningbo Steel Bolt Co., Ltd accepts orders of any size and maintains stock for various fasteners.

What is your delivery time?

If goods are in stock, delivery can be within 15 days. For larger quantities, delivery may take 25-35 days.

What is your packaging like?

Packaging is typically 20-25kg per carton, with 36 or 48 cartons per pallet. Customized packaging with logos is available upon request.

What are your payment terms?

Ningbo Bolt accepts T/T, L/C, D/P for general orders, and Paypal or Western Union for small or sample orders.