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The Range£79.50Visit shop Unifix Steel Shouldered Thumbscrews Bzp M6 X 12 - Retail Pack - Box Of 500 - Grey
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The Unifix Shouldered Thumbscrews (M5 x 10) are an ideal choice for DIY enthusiasts, furniture makers, and machinery operators who require frequent manual adjustments or tool-free fastening. These screws offer the convenience of a thumb-operated head for easy installation and removal without specialized equipment, though they are specifically sized for M5 threading, which may limit their use in applications requiring larger or smaller bolt diameters.
| Colour | Silver |
|---|---|
| Model Part Number | 5014196140728 |
| Brand | Unifix |
While the BZP finish offers some corrosion resistance, they are primarily designed for indoor or protected environments and may rust if exposed to direct rain or salt air.
M5 refers to the 5mm diameter of the thread, and 10 refers to the 10mm length of the screw shank.
No, these are designed to be hand-tightened using the knurled shoulder head.
Yes, Unifix offers various sizes including M6 variants with different lengths (e.g., 12mm, 20mm, 40mm) to suit different project needs.
No, these thumbscrews are intended for light-duty fastening and adjustment and should not be used for heavy structural or load-bearing applications.
Check that the hole is properly aligned and that the threads are not cross-threaded or blocked by debris.
Ensure the screw size matches your application requirements; if it is slipping, you may need a standard bolt requiring a wrench for higher torque.
Wipe away minor surface oxidation with a soft cloth and apply a light protective coating of corrosion-inhibiting spray.
To install, ensure the receiving hole is properly tapped for M5 threads. Align the thumbscrew with the hole and turn clockwise using your thumb and forefinger until firm. Do not overtighten with pliers, as this may damage the knurled head or the threads. When maintaining these screws, periodically wipe them down with a clean cloth to remove dust. If the environment is particularly humid, consider a light application of machine oil to the threads to further enhance the zinc plating's rust-resistant properties. Store in a cool, dry place to prevent moisture buildup within the thread grooves.
