We supply durable 3x8mm machine screws to meet the tough standards of OEMs and contractors. For Wholesale orders and Manufacturers alike, I focus on reliable stock, clear pricing, and fast fulfillment. I personally vet each batch for head style, thread pitch, and tensile strength, so you don’t waste time testing. These 3x8mm machine screws are available in stainless steel and alloy options, with a choice of Philips or hex drive, and finishes like zinc plated or black oxide. We keep high-volume quantities in stock and can ship quickly to your warehouse or production line. Pricing is transparent, with volume discounts and shorter lead times for repeat orders. We assemble your shipment with exact counts, packaging, and labeling to your requirements. If you need a steady supply chain for construction, machinery, or electronics, I’ll help you pick the right size, coating, and lot numbers to suit your project.
By 2025, the M3x8mm fastener has emerged as a standard for compact assemblies. Its 3 mm diameter fits tight mounting holes, and 8 mm length covers common enclosure and PCB-to-chassis connections. With standard threads and a variety of materials, it supports automated insertion, lowers cycle times, and improves consistency on high-volume lines. Options range from corrosion-resistant stainless steels to cost-efficient coated carbon steels, matching indoor and outdoor needs. Global buyers should align material, finish, and tolerance with the application. Choose grades and coatings that resist environment, and verify tensile and shear specs to ensure reliability. Verify thread quality and correct length to prevent binding. Seek suppliers with traceability, stable packaging, and flexible lead times, and favor designs that enable modular upgrades. The 3x8mm family is well positioned to drive scalable, maintainable products across markets.
| Dimension | Material | Finish | Standard/Grade | Head Style | Drive Type | Pitch (mm) | Tensile Strength (MPa) | Corrosion | Typical Applications | Region | 2025 Projected Demand (Millions) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 x 8 | Stainless Steel A2-70 | Passivated | ISO 4762 | Socket Head Cap Screw | Hex/Allen | 0.5 | 700 | High | Electronics assembly; Automotive interiors | Asia-Pacific | 150 |
| M3 x 8 | Stainless Steel A4-80 (316) | Electropolished | ISO 4762 | Socket Head Cap Screw | Hex/Allen | 0.5 | 800 | Very High | Marine electronics; Outdoor enclosures | Europe | 110 |
| M3 x 8 | Carbon Steel (Grade 8.8) | Zinc Plated | DIN 933 | Pan Head | Slotted | 0.5 | 420 | Medium | Appliances; Electrical enclosures | North America | 95 |
| M3 x 8 | Alloy Steel 10.9 | Black Oxide | ISO 4762 | Socket Head | Hex/Allen | 0.5 | 1000 | Moderate | Automotive chassis; Heavy machinery | Asia-Pacific | 120 |
| M3 x 8 | Stainless Steel A2-70 | Coated (Zinc) | ISO 4762 | Button Head | Hex Socket | 0.5 | 650 | High | Computer hardware; Consumer devices | Europe | 85 |
| M3 x 8 | Stainless Steel A4-80 | Plain | ISO 3506 | Countersunk Head | Phillips | 0.5 | 750 | Very High | Appliances; Enclosures | Latin America | 60 |