M1.6 M2 M2.5 M3 M4 M5 M6 M7 M8 M9 Stainless Steel A2 A4 304 316L DIN 912 Inner Hexagon Shcs Screw Allen Cylindrical Head Socket Head Cap Screw

Product Description

Product name	M1.6 M2 M2.5 M3 M4 M5 M6 M7 M8 M9 Stainless Steel A2 A4 304 316L DIN 912 Inner Hexagon Shcs Screw Allen Cylindrical Head Socket Head Cap Screw
Standard	ANSI/ASME B18.3 DIN251 DIN6912 DIN7984 DIN7991 DIN912 ISO 4762 ISO10642 ISO7379 ISO7380 JISB1174 JISB1194
Thread	Unc, Unf, BSW, Metric thread, Inch thread, Coarse thread, Fine thread,  Full thread,  Half thread,Machine thread,Wood thread,Cutting thread,Self-tapping thread
Head Types	Cylindrical head, Pan head, Countersunk head, Semi-round head, Flat head,Cheese head
Material	Carbon steel: Q235, A36, A572, C1006, C1008, C1010, C1018, C1018A, C1022, C1035K, C1045K, 12L14.etc Stainless steel: 253MA,SS201,202,301,302,303,304,304L,309,310S,314,316,316L,316Ti,317L,321,347,410,416,420,430,435,904 Aluminium: AL6061, AL6063, 7075 etc. Titanium or titanium alloy: TAD, TA1-TA8, TB2, TC1-TC10 etc. Brass: C36000, C37700, C38500, C26800, C21000, C3602, C3604, H59, H62, H65, H68, H70, H90, etc. Alloy steel: SCM435,10B21,40Cr, C10B33 Precipitation hardening steel: 17-7PH Urea steel: 724L, 725LN Superalloy: GH4169, GH4145, GH2132 Nickel Alloy:Nickel 200, Nickel 201 Non-metallic: Zirconia Ceramic, PFA, Polypropylene, PVDF, PPS, Polycarbonate, PEI, PTFE, PEEK, PVC, fiberglass, PA66 nylon, POM, Polyethylene. Duplex Stainless Steel: S32750, S32760, S2205, S2507,F51, F53, F55, F60, F61, 2205 Steel: C15, C35, C45(K1045), S45C, C46(K1046), C20, etc Iron: 12L13,12L14,12L15 etc. Corrosion-resistant alloy: XM-19, C4, Alloy20, Alloy28, Alloy31, 904L, 318 Copper: Brass, Phosphor bronze, Silicon bronze, Red copper, Beryllium copper and Copper etc. Bronze: C51000, C52100, C54400, etc.
Finish	Plain,Zinc Plated(Clear/Blue/Yellow/Black), Black oxide,Nickel, grey phosphate,nickel,ruspert,H.D.G,etc
Packing	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Grade	4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80,etc
Support	OEM,ODM,Customized size, Color, Packaging, Etc
Leading Time	10-30 days or based on order required

About the head shape of socket head cap screw

Hex socket screw with cylindrical head
DIN912 standard hexagon socket screw, the head is cylindrical or cup-shaped, the driving groove is deep, and it is not easy to damage.

Din7991 Countersunk head hex socket screw          Din 251 flange head hex socket screw                   iso7380   pan head hex socket screw

Shoulder socket head cap screw                                                                                               Thin head socket head cap screw

Socket head cap screw by material
Our hexagon socket screws are available in a variety of materials for you to choose from, including the most popular stainless steel, carbon steel, titanium alloy, brass, bronze, aluminum, and other metal materials.

Choose according to your actual needs. If you need help, you can also and answer your questions immediately.
Socket head cap screw by thread

According to different thread types, our hexagon socket screws can be made into many types, including , , , triangular threads and , etc.

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.

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.