I’ve seen how crucial reliable fasteners are in real-world production, so I stand behind our {pt screw a4} line with hands-on knowledge. This screw uses grade A4 stainless steel and precision threading for strong holding power and excellent corrosion resistance, perfect for outdoor, marine, or chemical environments. If you’re a {Wholesale} buyer or a {Manufacturers} looking for a steady supply, you’ll appreciate our consistent dimensions, approved packaging, and scalable lead times. I offer flexible orders in bulk, with clear certificates and QA checks to keep your assembly line moving. I can tailor finish options, coating, and head styles to fit your project. I’m here to help with quotes, samples, and fast delivery so you don’t face unnecessary downtime. Our product stands up to salt spray, heat, and vibration, making it a reliable addition to any fastener kit. Company detail {}
Global buyers seeking PT screws in A4 stainless steel should favor suppliers with robust quality systems, traceable materials, and reliable delivery. Look for ISO 9001 or equivalent certifications, rigorous incoming checks, and batch-level documentation to ensure consistency across orders and markets. Key checks include precise tolerances, correct A4 (316) stainless steel chemistry, corrosion resistance, and durable heat treatment. Request material certificates and test reports, plus details on surface finishes, thread types, drive styles, and packaging that protects parts during long shipments. For global sourcing, align on lead times, MOQs, and Incoterms. Ask for samples, scalable capacity, and dual-sourcing options. A capable supplier provides CAD data or catalogs, clear QA data, and proactive after-sales support to keep BOMs accurate and reduce supply-chain risk.
| Region | Grade | Thread Type | Diameter (mm) | Length (mm) | Coating / Finish | Material Spec | Tensile Strength (MPa) | Certifications | Typical Applications | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| Asia-Pacific | A4-80 (316) | Metric M4 | 4 | 16 | Passivated | 316/316L stainless | 520 | ISO 9001, RoHS | Marine hardware | High corrosion resistance in chloride environments |
| Europe | A4-80 (316) | Metric M6 | 6 | 25 | Electro-polished | 316 | 640 | ISO 9001, IATF 16949 | Automotive exterior | Precision thread and surface finish |
| North America | A4-80 (316) | Metric M8 | 8 | 40 | Passivated | 316 | 600 | ISO 9001, RoHS | Food processing equipment | Food-grade compliance |
| Middle East | A4-80 (316) | Metric M10 | 10 | 30 | Electropolished | 316 | 580 | ISO 9001 | Chemical processing | Chloride environment resistance |
| Latin America | A4-80 (316) | Metric M5 | 5 | 22 | PTFE-coated | 316 | 530 | ISO 9001 | Food & beverage packaging | Low friction surface |
| Global | A4-80 (316) | Metric M12 | 12 | 50 | Electropolished | 316L | 560 | ISO 9001, RoHS, REACH | Pharmaceutical equipment | High corrosion resistance and cleanliness |