304 316 Stainless Steel Grade 8 Metric Serrated Flange Head Screw Class 10.9 Alloy Steel DIN 6921 A2 A4 Hex Flange Bolt

Product Description

Product Name	304 316 Stainless Steel Grade 8 Metric Serrated Flange Head Screw Class 10.9 Alloy Steel DIN 6921 A2 A4 Hex Flange Bolt
Standard:	JIS B1189, ISO 4162, DIN 6921
Thread:	Metric Coarse, Metric Fine, Full Thread, Half Thread, UNC, UNF, BSW, BSF.
Material:	1.Carbon steel: C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K.etc 2.Stainless steel: SS 201, 202, SS 301, SS 302,SS 303,SS 304,SS 316,SS 316L, SS 347, SS 410,SS 416,SS 420,SS 430,SS 435, SS 904, etc 3.Duplex Stainless Steel: S 32750 S 32760 S 2205 S 2507 4.Steel:C15,C35,C45(K1045)S45C,C46(K1046),C20,etc 5.Copper:Brass(C3602,C3604,H59,H62,H65,H68,H70,H90,etc. Phosphor bronze,Silicon bronze,Red copper,Beryllium copper and Copper etc. 6.Iron: 12L13,12L14,12L15 etc. 7.Aluminium:AL6061,AL6063,7075 etc. 8.Titanium or titanium alloy: TAD,TA1-TA8, TB2,TC1-TC10 etc. 9.Alloy steel:SCM435,10B21,40Cr, Inconel 600, Inconel 625, Inconel 718, Monel400, K500 etc.
Size:	M5, M6, M8, M10, M12, M14, M16, M18, M20
Length:	5mm-80mm
Gread:	Grade 8.8, Grade 10.9, Grade 12.9, A2-50, A2-70, A2-80, A3, A3-70, A4-50, A4-70, A4-80, D2-80, D6
Finish:	Plain, Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated.
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Support	OEM, ODM,Customized size, color, material, packaging, design, etc.
Leading Time :	20-30 days or based on order required

 

Flange Bolt By Material
T&Y Hardware is committed to providing you with a variety of hardware products, including . In addition, we also supply hardware products made of various materials such as , , and to meet your different needs and application scenarios.

Flange Bolt By Thread
The types of flange threads we provide are rich and diverse, covering two common forms of and . In terms of thread specifications, we can also make them into coarse threads or fine threads according to specific needs.

Not only that, whether it is metric Threads or inch threads, we have mature manufacturing processes and capabilities, and can accurately build them according to your requirements to meet the needs of various application scenarios.

Flange Bolt By Features
On the basis of traditional hexagonal flange bolts, T&Y Hardware has expanded its product line and introduced variants of various drive methods such as cross grooves and flat grooves, as well as special designs such as and flat . At the same time, we offer a variety of head type options, such as and , to meet the diverse needs of different application scenarios, ensuring that you can find the solution that best suits your project requirements.

More Customizable Head Bolts

 

T&Y Hardware also provides customers with a diverse selection of profiled head bolts. Our wide range of products includes, but is not limited to , ,

, , , square head,, , and many types of such as and .

No matter how unique or challenging your needs may be, T&Y can provide solutions that meet the needs of your specific application scenario.

Hex Nut By Features
T&Y Hardware not only offers standard hex nuts, but also has a range of specialty nut products. These include for high pressure and heavy load environments, for space-constrained applications, for increased contact area, , designed for long threads, for protecting threads, vehicle-specific, for easy plate fixing, for easy installation or removal, etc.
In addition, if your project requires specific specifications or of nuts, simply provide us with detailed drawings or physical samples and we will customize the production according to your requirements, ensuring that your unique needs are met.
Other types of nuts

In addition to supplying the above nuts, we also provide a variety of nut products such as , , , , , , and .

These products are widely used in construction, machinery, electronics and other fields to meet the diverse needs of different customers.

 

 

Company Profile

Established in 2002, Shanghai T&Y Hardware Industry Co., Ltd. is a professional manufacturer specializing in high-quality fasteners, including screws, bolts, nuts, washers, and stamping parts.
* Certified & Compliant: Fully compliant with ISO9001, ISO45001, ISO14001, and RoHS to guarantee top-tier international quality and eco-friendly standards.
* OEM/ODM Expert: Send us your drawings or creative ideas-we possess the strong R&D capacity to deliver perfect finished products
T&Y Hardware focuses on the production and supply of all kinds of bolts (including , and and , (such as , , , etc.), (, , ), screws (, , ), anchors (, , ), threaded rods (, , ), high-precision and
Each year, we actively participate in leading hardware and machinery exhibitions worldwide, including the Saudi Building Materials Exhibition, Fastener Fair Stuttgart, Las Vegas Auto Parts Exhibition, Atlanta Machinery Exhibition, and Hannover Messe.
These international platforms allow us to showcase our latest innovations while forging strong connections with top industry leaders. We sincerely look forward to meeting new potential partners at our next stop to explore collaborative business opportunities and drive mutual growth.

Q1: What is your Minimum Order Quantity (MOQ)?
A1: For standard in-stock items, we support small trial orders with no strict MOQ. For mass production or custom orders, the MOQ generally ranges from 100 kg to 500 kg per specification, depending on the product size and processing requirements. Please contact our sales team for specific details.
Q2: How do you ensure the quality of every process?
A2: As an ISO 9001 certified manufacturer, every production stage is strictly monitored by our in-house Quality Control department. We utilize advanced testing equipment (including tensile testing machines, salt spray testers, and thread gauges) to conduct 100% inspections. We provide Material Test Certificates (MTC) for every batch and welcome third-party inspections like SGS or TÜV.
Q3: How long is your delivery time?
A3: For in-stock items, the delivery time is 7 to 10 days. For mass production or custom orders, it generally takes 30 to 45 days, depending on the order volume and specific production requirements.
Q4: What is your payment method?
A4: Our standard payment term is 30% T/T deposit in advance, with the remaining 70% balance paid against the B/L copy. For orders under $1,000 USD, we recommend 100% advance payment via T/T to minimize international bank charges. We also accept L/C at sight for large orders.
Q5: Can you provide free samples?
Optimized: Yes, we provide standard samples free of charge, but the courier/freight cost is covered by the customer. For custom-made samples based on your drawings, a sample tooling fee may apply, which is refundable upon bulk order placement.
Q6: What materials and strength grades can you provide for your fasteners?
A6: We work with a wide range of materials, including Carbon Steel, Alloy Steel, Stainless Steel (SUS304/SUS316), and Brass. For strength grades, we specialize in high-tensile fasteners, offering Grade 4.8, 8.8, 10.9, and 12.9 to meet rigorous industrial and engineering standards.
Q7: What surface treatments do you offer for corrosion resistance?
A7: We provide comprehensive surface finishing options, including Plain, Zinc Plating (White/Yellow/Black), Hot-Dip Galvanized (HDG), Black Oxide, Dacromet, and Geomet. All treatments comply with environmental standards and can meet specific salt spray test requirements.
Q8: Do you support custom packaging and private labeling?
A8: Yes. Our standard export packaging consists of 25kg cartons on sturdy, film-wrapped pallets. However, we fully support custom small box packaging, private labels, and barcode printing to help you build and promote your own brand in your local market.