M20 M22 M24 M30 M36 M42 3/4 5/8 Stainless Steel Ss 201 321 310S 304L 316L 904L DIN ASTM Heavy Hex Hexagon Bolts and Nuts

Product Description

Product Name	Hex Bolts Socket Head Cap Screws
Threads	METRIC, BSW, BSF, UNC, UNF or as required
Bolts Nuts Size	M3 - M24 (1/4" - 1"), Customized M6, M8, M10, M12, M14, M16, M20, M24, M26, M27, M28, M30, M32, M34, M36, M38, M40, M42, M44, M46, M48, M50, M52, M54, M56, M58, M60, M62, M64, M66, M68, M70, M72, M74, M76, M78, M80, M82, M84, M86, M88, M90, M92, M94, M96, M98, M100
Bolts Nuts Grade	A2-70 A2-80, A4-70, A4-80, A4-90, Grade 2, Grade 5,  Grade 8
Standard	DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM, GOST, AS, BS, GB, and all International Standards
Certificate	ISO9001-2015, SGS, TUV, CTI, RoHS
Standard	DIN, ISO, ASTM, SAE, etc and Non-standard
MOQ	Standard 1 Pcs, Customized according to customer's demand
Delivery	Non Standard: normally 10-40days working daysStandard: 1-3 days if in stock
Certificate	ISO9001,CE, SGS, BV
Advantage	Competitive priceSuperior quality OEM ODM service
Packing	PE/PP Bag + cartons (25kg Max.)+wood Pallet or according to customer special demand
Payment terms	T/T L/C TVB Paypal etc.

Product Description

Company Profile

Shanghai Borui Metal Products Co., Ltd, Or Shanghai G&T Industrial Co., Ltd

We located in Jing'an District, Shanghai, offers OEM/ ODM services for fasteners. With over 20 years of experience in the production and export of high-quality standard fasteners, non-standard parts, which are widely used in various fields such as high-speed rail, ships, nuclear power, new energy, mechanical equipment, petrochemicals, militar y equipment, aerospace, etc

We have provided high-quality fasteners to over 1, 000 customers from more than 200 countries around the world. Main products include standard (German, American, European, Chinese standards) fasteners (bolts, stud bolts, threaded rod, nuts, washers, rivets, screws) and non-standard fasteners. Our raw material includes carbon steel, stainless steel, and alloy steel, as well as special material fasteners for special application scenarios (ultra-high temperature, ultra-low temperature, strong corrosion).

S30403, S30408, S31603, S31608, S32168, S31803, F304, F304L, F321, F316, F316L, 316S31, 316LN, 316Ti, 32550, 32750, 32760, F347, B8, B8M, B8T, B8C, B7, L7, B16, Gr7, 660A\B\C\D, N4400, 410, 420, 600, 625, 655, 665, 718, 2205, 2507, F51, F53, C276, 17-4, 825, 925, N08020, 25Cr2MOV, 30CrMoA, 35CrMoA, 40Cr, 42CrMo, etc. (Product size covers M3 to M150, with length ranging from 5 millimeter to 12 meters)

We offer a one-stop fastener procurement solution, dedicated to providing a safer, more professional, more accurate and more efficient purchasing experience of fasteners for customers. If you have any needs, questions or inquiries, please feel free to contact us directly (the email suffix of the salesperson is our official website. You can visit our official website to learn more information).

Why Choose Us?
20+ Years of Expertise	As a trusted fastener manufacturer with over two decades of experience, we serve 120+ countries with high-quality production, export, and after-sales support.
Competitive Factory Pricing	Cut costs with direct factory supply—no middlemen, just unbeatable value.
Fast & Reliable Delivery	In-stock items: 3–7 days Custom/OEM orders: 14–30 days
OEM/ODM Solutions	We partner with global brands to produce precision fasteners tailored to your specifications.
Rigorous Quality Control	Every step—from raw materials to shipping—is monitored by our QC team to ensure compliance and safety.
Third-Party Inspection Support	On-site factory audits available. Collaborate with SGS, TÜV, BV, or Intertek for certified inspection reports.
One-Stop Procurement	End-to-end logistics solutions: sea, air, land, and DDP door-to-door delivery.
Wide Material Selection	Carbon steel, stainless steel (inc. specialty grades), alloy steel, and more.

FAQ

Frequently asked questions:

Q1: What is your company's main business?

A: We are a production and trade integrated fastener manufacturing and export company, integrating production and sales. Our main products include bolts, nuts, screws, washers, rivets and other standard and non-standard fasteners, which are widely used in construction, automotive, machinery, electronics and other industries.

Q2: Where is your factory located?

A: Our factory is situated in Dongtai City, Jiangsu Province, China. It has 15 fastener production lines with an annual capacity of 35,000 tons, which can meet the demands of large-scale orders.

Q3: Do you have export qualifications?

A: Yes, we have the right to operate import and export business and have passed ISO 9001 quality management system certification, CE certification, RoHS certification, etc., to ensure that our products meet international export standards.

Q4: What materials of fasteners can you produce?

A: We can provide fasteners made of various materials such as carbon steel, stainless steel (304/316), duplex steel, alloy steel, copper, aluminum, titanium alloy, etc., and support customized surface treatments (such as galvanizing, Dacromet, hot-dip galvanizing, etc.).

Q5: Do you support non-standard customization? What is the minimum order quantity (MOQ)?

A: We support non-standard customization (such as special sizes, threads, surface treatments, etc.). The MOQ needs to be negotiated based on specific customization requirements and product types.

Q6: How do you ensure product quality?

A: We implement full-process quality control. From raw material procurement to finished product delivery, dedicated personnel conduct strict inspections at every stage. We also support providing third-party inspection reports (such as SGS).

Q7: What is the delivery time?
A: Standard parts usually take 7 to 15 days, while custom-made parts require 15 to 30 days (specifically depending on the order quantity and the complexity of the process).

Q8: What logistics methods do you offer? How is the freight calculated?
A: We support sea freight (full container/partial container), air freight, and express delivery (DHL/FedEx). The freight is calculated based on the volume, weight of the goods and the destination. We can provide door-to-door (DDP) or port-to-port (FOB) services.

Q9: Do you support sample delivery? Is there any charge?
A: For in-stock items, we can provide free samples, but the customer needs to cover the shipping cost. For out-of-stock samples and custom-made samples, a cost fee will be charged.

Q10: What are the payment methods available?
A: We accept T/T (Telegraphic Transfer), L/C (Letter of Credit), PayPal, and Alipay International escrow transaction, etc. The specific method can be negotiated.

Q12: Which markets do you mainly export to?
A: Our products are exported to over 100 countries and regions in Europe, America, Southeast Asia, the Middle East, Africa, etc. Currently, we have long-term cooperation with many domestic and foreign fastener distributors and engineering procurement departments.

Q13: How can I get the latest product quotations?
A: You can contact us by clicking "Send Inquiry". Our business representative will reply to you within one hour and send you the quotation within 24 hours after understanding your specific purchasing requirements.