I’m here to help you secure the best sems screw square washer for your next project. I know you want reliable fasteners that keep load even and lines running. This sems screw square washer delivers strong hold, anti-rotation performance and corrosion resistance, perfect for high-vibration environments. It fits SEMS screws snugly, spreading pressure evenly and reducing risk of loosening. We offer cheap options without sacrificing quality, and our pricelist is transparent and always up-to-date. Available in stainless steel and carbon steel, with thicknesses and finishes to match your spec. Bulk orders? No problem—short lead times, consistent lot tolerances, and pre-pack options. We emphasize traceability and testing certificates, so your QA teams stay satisfied. If you need a dependable fastening solution that scales from prototype to production, this is it. Get a quote today from our team and compare with the pricelist; you’ll see the value in a single purchase.
Global buyers seeking dependable fastening solutions rely on SEMS screws paired with square washers to deliver unmatched quality and uniform clamping. This pairing resists loosening under vibration and supports compact, clean assemblies. With tight tolerances, reliable threads, and finishes in stainless steel, alloy steel, or plated options, it meets strict quality needs from stamping to finishing. For international procurement teams, reliability is as important as performance. These fasteners are produced under a robust quality program with traceable lots and scalable output to meet growing demand. They enable just-in-time delivery across time zones and support diverse sectors such as electronics, automotive, and machinery.
| Part ID | Component | Material | Finish | Size | Length (mm) | Head Type | Drive Type | Washer Inner Ø (mm) | Washer Outer Ø / Overall Size (mm) | Washer Thickness (mm) | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S-SSW-001 | Screw | Stainless Steel 304 | Polished | M4 x 0.7 | 16 | Pan Head | Phillips | N/A | N/A | N/A | N/A |
| S-SSW-002 | Screw | Stainless Steel 304 | Polished | M6 x 1.0 | 25 | Pan Head | Hex Socket | N/A | N/A | N/A | N/A |
| S-SSW-003 | Screw | Stainless Steel 304 | Polished | M5 x 0.8 | 20 | Countersunk | Torx T25 | N/A | N/A | N/A | N/A |
| W-SSQ-001 | Square Washer | Carbon Steel | Zinc Plated | Inner Ø 5.0 | N/A | N/A | N/A | 5.0 | 9x9 | 1.4 | Load distribution |
| W-SSQ-002 | Square Washer | Stainless Steel 304 | Polished | Inner Ø 6.0 | N/A | N/A | N/A | 6.0 | 12x12 | 1.5 | Corrosion resistant |
| W-SSQ-003 | Square Washer | Brass | Plated | Inner Ø 3.5 | N/A | N/A | N/A | 3.5 | 8x8 | 1.2 | Non-magnetic |
| S-SSW-004 | Screw | Stainless Steel 304 | Polished | M8 x 1.25 | 40 | Hex Head | Hex Socket | N/A | N/A | N/A | High strength |
| S-SSW-005 | Screw | Stainless Steel 304 | Passivated | M4 x 0.7 | 12 | Pan Head | Torx T20 | N/A | N/A | N/A | Low-profile |
| W-SSQ-004 | Square Washer | Stainless Steel 316 | Satin | Inner Ø 10.0 | N/A | N/A | N/A | 10.0 | 20x20 | 2.0 | Marine-grade |
| W-SSQ-005 | Square Washer | Stainless Steel 304 | Polished | Inner Ø 9.0 | N/A | N/A | N/A | 9.0 | 16x16 | 1.6 | General purpose |