From our ODM-ready factory, I supply Captive Thumb Screws designed to speed assembly and prevent lost hardware. I tailor each order to your specs, delivering quickly with minimal tooling, and I keep a tight tolerance to ensure smooth operation under vibration. The Captive Thumb Screw features a built-in captive nut that stays in place when panels or housings are opened, reducing assembly errors and downtime. We offer a range of materials—stainless steel for corrosion resistance, brass for EMI shielding, and engineering plastics for lightweight applications—and finishes from black oxide to passivated chrome. As a Factory partner and direct supplier, I can accommodate high-volume production, custom head styles, drive recesses, and variable thread lengths through ODM services so you don't need extra intermediaries. You’ll get consistent quality, traceable lot data, and on-time delivery. If you want to cut assembly time and improve reliability, this Captive Thumb Screw is the pragmatic choice for your equipment, enclosures, and panels.
Captive thumb screws provide tool-free, secure fastening for electronics enclosures and control panels. With an integrated retention feature, they stay attached when doors or panels are opened, reducing dropped fasteners and downtime. This streamlines maintenance and shortens service cycles for busy assemblies. They outperform many alternatives through tight tolerances and choice materials. Precise threads deliver consistent seating, while corrosion-resistant metals withstand harsh environments. A knurled head improves grip, and the captive design prevents loss during vibration, rework, or routine reassembly. For global buyers, a broad range of sizes and finishes, standard metric and imperial threads, and compatibility with automated lines ensures scalable sourcing. Reliable supply, RoHS-compliant materials, and uniform quality across batches lower overall costs, shorten lead times, and support diverse product lines.
| Variation | Material | Head Style | Thread Size (mm) | Overall Length (mm) | Head Diameter (mm) | Grip Range (mm) | Max Load (N) | Clamping Torque (N·m) | Tensile Strength (MPa) | Finish |
|---|---|---|---|---|---|---|---|---|---|---|
| Model A | A2-70 Stainless Steel | Knurled Cap | M3 x 0.50 | 10 | 7 | 2.5 – 5.0 | 120 | 0.25 | 520 | Satin Passivated |
| Model B | A2-70 Stainless Steel | Knurled Cap | M4 x 0.70 | 12 | 9 | 3.5 – 6.5 | 190 | 0.35 | 640 | Satin |
| Model C | A2-70 Stainless Steel | Knurled Cap | M5 x 0.80 | 14 | 11 | 4.0 – 7.5 | 310 | 0.45 | 650 | Passivated |
| Model D | A2-70 Stainless Steel | Knurled Cap | M6 x 1.00 | 16 | 12 | 5.0 – 9.0 | 520 | 0.65 | 700 | Satin Passivated |
| Model E | A2-70 Stainless Steel | Knurled Cap | M8 x 1.25 | 20 | 16 | 7.0 – 12.0 | 900 | 1.10 | 750 | Satin |
| Model F | A2-70 Stainless Steel | Knurled Cap | M10 x 1.50 | 25 | 20 | 9.0 – 14.0 | 1400 | 1.60 | 800 | Passivated |