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| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Round Head |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Product name | SS 316 DIN912 Grade 8.8 High Tensile Stainless Hex Socket Head Allen Key Bolts |
| 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 | Stainless steel (303,304, 316, 201),carbon steel (35#, 45#), Alloy steel, Titanium alloy, Brass, Aluminum
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| Finish | Plain,Zinc Plated(Clear/Blue/Yellow/Black), Black oxide,Nickel,
grey phosphate,nickel,ruspert,H.D.G,etc
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| 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
Socket head cap screw by thread
T&Y Hardware focuses on the production and supply of all kinds of bolts (including hex bolts, flange bolts and other standard parts and non-standard products), nuts (such as hex nuts, lock nuts, spring nuts, etc.), washers (flat washers, spring washers, lock washers), screws (mechanical screws, self-tapping screws, wood screws), anchors (sleeve anchors, chemical anchors, wedge anchor), threaded rods (full thread studs, double-headed studs, weld studs), high-precision stamping parts and CNC precision machining parts.
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.
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.
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