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OnBuy.com£7.09Visit shop Loops 100 Pack M12 X 1/2 Inch Acme Screw With Captive Washer - Zinc Plated Fixings
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B&Q£7.69Visit shop - 100 Pack Of M12 X 1/2 Inch Zinc Plated Acme Screws With Captive Washers
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The Loops 100 Pack M12 x 1/2 Inch Acme Screws are essential hardware components designed for DIY enthusiasts and professional tradespeople who require reliable, heavy-duty fastening solutions for assembly and workshop projects. These screws offer the key benefit of an integrated captive washer for a secure, vibration-resistant fit; however, users should note that they are specifically sized for M12 threads and may not be compatible with finer metric threading systems.
| Colour | Silver |
|---|---|
| Brand | Loops |
While the silver finish provides moderate protection, they are primarily designed for workshop and indoor use. For extreme outdoor exposure, stainless steel or galvanized fasteners may be preferred.
Acme threads have a trapezoidal shape, which is designed to handle heavy loads and provide better durability under pressure compared to standard V-shaped threads.
The washer is 'captive,' meaning it is designed to stay on the screw shank, making it easier to handle and install without fumbling with separate parts.
Most standard silver-finished steel screws are mildly magnetic; if your application requires non-magnetic fasteners, please test them with a magnet prior to assembly.
These are primarily mechanical fasteners for metal or threaded inserts. They are not intended for direct use in raw wood without proper threaded backing or inserts.
Verify the thread pitch matches M12 specifications and check for debris or paint inside the receiving hole.
Ensure you are using the correct size driver bit and that you are applying steady, perpendicular pressure rather than excessive force.
While the washer is designed to stay captive, if it becomes separated, ensure the screw head has not been deformed from previous over-torquing.
To ensure proper performance, verify that the substrate or equipment you are working with utilizes standard M12 threads. If you are drilling pilot holes, ensure the diameter is appropriate for the M12 specification to prevent cracking or thread stripping.
Compatibility Note: These are strictly for M12 threaded receptacles. Do not attempt to force them into non-metric or smaller/larger thread sizes.
Care Instructions:
