We design and manufacture thumb screw captive washers that lock securely in panels and resist vibration. We work with OEMs and trusted Suppliers to offer options from stainless steel to brass, plus coatings like zinc and nickel. Tell me your panel thickness, screw size, and load; I tailor the washer to meet your spec. This type of washer cuts assembly time, reduces drop-outs, and improves reliability in enclosures, machinery, and equipment. I provide precise tolerances, data sheets, and engineering support, with fast quotes and scalable production for high-volume needs. We ship worldwide and offer flexible MOQs, finished with your choice of finish, packaging, and documentation. If you need custom geometry or special plating, I can adapt quickly. Let's partner for a dependable, cost-efficient solution that keeps your line moving.
Global buyers seeking reliable fastening solutions know a thumb screw with a captive washer delivers more than convenience. It locks assemblies with repeatable accuracy, reduces lost hardware, and speeds hand assembly in electronics enclosures and small machinery. Material choices and finishes—stainless steel, brass, or zinc with protective coatings—tailor corrosion resistance and compatibility with RoHS and REACH standards. From design to delivery, a leading manufacturer prioritizes precision, traceability, and scalable supply. Tight tolerances, validated processes, and robust QA ensure consistent performance. Flexible options for bulk packaging, color coding, and kitting support global procurement programs and minimize stocking risk for just-in-time manufacturing. Global buyers benefit from a single source that can align components with their BOM, provide technical datasheets, samples for testing, and rapid re-spares. With engineering support, customization, and reliable lead times, thumb screw captive washers help protect project timelines, reduce total cost of ownership, and keep assemblies secure in any environment.
| Variant | Thread Size | Material | Finish | Washer ID (mm) | Washer OD (mm) | Washer Thickness (mm) | Overall Length (mm) | Head Diameter (mm) | Tensile Strength (MPa) | Temperature Range (C) | Compliance |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M4 | Stainless Steel 304 | Satin | 4.0 | 12.0 | 0.8 | 15.0 | 6.0 | 520 | -40 to 120 | RoHS |
| B | 8-32 | Carbon Steel | Zinc Plated | 3.2 | 13.5 | 0.9 | 18.5 | 7.2 | 710 | -40 to 130 | RoHS |
| C | M6 | Alloy Steel | Black Oxide | 5.0 | 15.0 | 1.0 | 20.0 | 7.5 | 650 | -60 to 120 | RoHS |
| D | UNC 1/4-20 | Stainless Steel 316 | Polished | 5.0 | 15.5 | 0.8 | 22.0 | 6.8 | 520 | -50 to 150 | RoHS |