We are a China-based manufacturer delivering dependable screw with spring solutions for diverse industries. We know buyers want quality, consistency, and fast delivery, so we keep tight process controls and in‑house production. Our screw with spring combines a compact spring cartridge with a threaded fastener to absorb shock and maintain clamping force in dynamic assemblies. We offer stainless steel, alloy steel, and coated options, with various head styles, thread pitches, lengths, and spring constants. Surface finishes include zinc plating, passivation, and black oxide. We support OEM/ODM projects, rapid prototyping, and small MOQs for pilots, plus scalable production for large orders. With ISO 9001 certification and full traceability, we ensure reliable performance in automotive, electronics, and machinery. Choose us for competitive pricing, dependable lead times, and flexible customization from a trusted China manufacturer.
Spring-assisted screws provide compact, reliable fastening for electronics, automotive parts, and industrial assemblies. Factory-direct sourcing eliminates intermediaries, lowers costs, and gives direct access to engineers who tailor parts to your design. This speeds prototyping and scales from pilots to mass production with consistent preload and vibration resistance. Custom solutions cover materials, finishes, thread geometry, and integrated spring configurations. Options include stainless steel or alloys, coatings, and compression or torsion springs matched to load profiles. You’ll receive design-for-manufacture guidance, tight tolerances, and testing plans to validate performance. Global buyers benefit from transparent lead times, scalable minimums, and robust QA with traceability and compliance. A factory-direct model enables predictable pricing, flexible packaging, and proactive after-sales support. Choosing a partner focused on quality and supply-chain resilience helps secure ready-to-use screws with integrated springs for diverse markets.
| Sample_ID | Material | Spring_Type | Wire_Dia_mm | Outer_Dia_mm | Free_Length_mm | Coils | Heat_Treatment | Tensile_Strength_MPa | Fatigue_Life_Cycles | Load_at_Deflection_N | Operating_Temperature_C | Production_Date | Quality_Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SMP-1001 | Music Wire (EN 10270-1) | Compression | 0.45 | 5.20 | 25.0 | 17 | Quenched & Tempered | 1960 | 1000000 | 120 | -20 to 250 | 2023-06-15 | 97 |
| SMP-1002 | Stainless Steel 302 | Extension | 0.38 | 3.80 | 15.0 | 12 | Annealed | 800 | 500000 | 60 | -40 to 300 | 2024-02-21 | 92 |
| SMP-1003 | Chrome Silicon | Compression | 0.50 | 6.00 | 40.0 | 24 | Quenched | 1880 | 1200000 | 180 | -60 to 350 | 2023-11-07 | 95 |
| SMP-1004 | Alloy Steel 4140 | Compression | 0.65 | 7.50 | 60.0 | 28 | Normalized | 1100 | 900000 | 240 | -20 to 280 | 2024-01-09 | 89 |
| SMP-1005 | Stainless Steel 316 | Extension | 0.30 | 2.60 | 10.0 | 8 | Annealed | 725 | 400000 | 40 | -80 to 250 | 2023-12-01 | 90 |
| SMP-1006 | Phosphor Bronze | Compression | 0.40 | 5.00 | 22.0 | 16 | Annealed | 420 | 300000 | 110 | -20 to 150 | 2022-08-14 | 87 |
| SMP-1007 | Inconel 718 | Compression | 0.55 | 6.20 | 35.0 | 22 | Age Hardened | 1600 | 1000000 | 150 | -180 to 650 | 2024-03-22 | 93 |
| SMP-1008 | Carbon Steel 1095 | Extension | 0.25 | 2.00 | 8.0 | 6 | Quenched | 520 | 200000 | 28 | -50 to 250 | 2023-05-30 | 85 |