Anti-Loosen Screws and Shakeproof Fastening Solutions by ITW Fastex

Reliable vibration-resistant fasteners engineered for plastic and metal assemblies across automotive, industrial, medical, and appliance industries

Anti-loosen Screws (BosScrew / Shakeproof)

Anti-loosen Screws (BosScrew / Shakeproof)

ITW Fastex

- Suitable for various industries, including Automotive, Appliances, Industrial, Instrument, Medical, building, IT, etc.
- The BosScrew is the first and only screw that simply stays tight in PLASTIC.
- The SiunLOC (Shakeproof) is an enhanced machine screw without secondary operations that simply stays tight in METAL.


Anti-loosen Screws (BosScrew / Shakeproof)

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BosScrew™ - BosScrew
BosScrew™
BosScrew™

The BosScrew™ thread exploits a plastic part's natural tendency to creep under stress...

Details
Shakeproof™ - Shakeproof
Shakeproof™
Shakeproof™

Shakeproof™ Thread screw integrates SinuLOC™ wave feature at specific locations...

Details
Result 1 - 2 of 2

How can you eliminate fastener loosening failures in plastic and metal automotive assemblies without adding secondary operations?

ITW Fastex BosScrew is engineered specifically for plastic fastening applications, staying tight without secondary assembly steps—ideal for automotive interior trim, dashboard components, and underbody fastening. The SiunLOC shakeproof fastener delivers enhanced locking performance for metal applications subject to vibration. Together, these solutions reduce warranty claims, assembly time, and total cost of ownership while meeting automotive reliability standards.

These anti-loosen fastening solutions are specifically engineered for automotive, appliances, industrial equipment, medical devices, building hardware, and IT applications where vibration and environmental stress demand exceptional holding power. By eliminating costly rework, product failures, and warranty claims associated with loose fasteners, ITW Fastex anti-loosen screws deliver measurable cost savings and enhanced product reliability. Contact ITW EBA today to discover how BosScrew and SiunLOC fasteners can improve your assembly processes and product performance while reducing total manufacturing costs.