M3 Shoulder Screw for OEM Suppliers | High-Quality Components
When you need robust and precise fasteners for your manufacturing line, I offer the M3 Shoulder Screw built for dependable OEM use. This part features a smooth, precisely machined shoulder that ensures accurate alignment and smooth sliding in guide plates and bushings. Available in stainless steel and hardened steel, with passivation or black oxide finishes, it resists wear in demanding environments. We provide multiple shoulder lengths and head styles to fit your assembly and tolerances. The M3 Shoulder Screw is ideal for automation, robotics, and CNC machines, giving you repeatable performance and easy stack‑up in assemblies. As an OEM supplier and reliable Suppliers partner, I can tailor options to your BOM, offer competitive pricing, and ship quickly in mixed lots. If you’re sourcing for high‑volume production or prototype builds, this screw combines strength, precision, and value that helps your build stay on track.
M3 Shoulder Screw Guarantees Peak Performance Your Trusted OEM Partner
Precision is the foundation of peak performance, and M3 shoulder screws are engineered to deliver it. A precisely machined shoulder provides exact guidance and repeatable positioning, while secure thread engagement resists loosening under vibration. The result is smoother motion, improved alignment, and greater durability in compact assemblies such as electronics enclosures and robotics joints. As a Dongguan-based electronics manufacturer, the company offers end-to-end support for global buyers. From rapid prototyping and customization (materials, coatings, shoulder length, and head styles) to high-volume production and reliable logistics, you can expect consistent quality and scalable supply. With rigorous quality management, traceability, and performance testing, you get dependable delivery timelines and proven performance in your products.
| Variant Code | Thread | Shoulder Diameter (mm) | Shoulder Length (mm) | Head Type | Drive Type | Material | Finish | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HRC) | Ra (μm) | Temperature Range (°C) | Certifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S3-M3-06 | M3 x 0.5 | 4.0 | 6.0 | Button Head | Hex Socket | Stainless Steel 304 | Satin | 520 | 210 | 18 | 0.6 | -60 to 300 | RoHS, REACH |
| S3-M3-08 | M3 x 0.5 | 4.0 | 8.0 | Hex Socket Cap | Hex | Alloy Steel 4140 | Zinc Plated | 1180 | 900 | 32 | 0.6 | -60 to 350 | RoHS |
| S3-M3-10 | M3 x 0.5 | 4.2 | 10.0 | Button Head | Hex Socket | Stainless Steel 316 | Passivated | 860 | 580 | 40 | 0.5 | -70 to 350 | RoHS, REACH |
| S3-M3-12 | M3 x 0.5 | 4.5 | 12.0 | Flat Head | Slotted | Stainless Steel 304 | Electropolished | 640 | 420 | 18 | 0.7 | -55 to 260 | RoHS |
| S3-M3-14 | M3 x 0.5 | 4.8 | 14.0 | Button Head | Hex Socket | Titanium Alloy Ti-6Al-4V | Anodized | 1000 | 860 | 34 | 0.5 | -196 to 400 | RoHS |
| S3-M3-16 | M3 x 0.5 | 5.0 | 16.0 | Hex Socket Cap | Hex | Aluminum Alloy 6061-T6 | Anodized Clear | 310 | 240 | 16 | 0.9 | -40 to 150 | REACH |
| S3-M3-18 | M3 x 0.5 | 5.0 | 18.0 | Button Head | Hex Socket | Stainless Steel 304 | Black Oxide | 540 | 260 | 20 | 0.8 | -60 to 260 | RoHS |
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