RS PRO Plain Button Stainless Steel Tamper Proof Security Screw, M4 x 20mm

Need screws to securely connect objects or fix them to surfaces or walls? These RS PRO threaded security fasteners can only be screwed in or out with the corresponding tool, giving you a tamperproof solution to attach and safeguard your items with.
The button head makes driving the screw into surfaces and objects easy and ensures straight alignment of the thread so it won't damage your goods. The metric thread drills tightly into materials so your fixtures won't wobble or rattle. These screws are stainless steel, which is naturally resistant to corrosion and will not tarnish or rust. This means you can confidently use them in harsh environments with varying temperature extremes.
This item is Restriction of Hazardous Substances (RoHS) certified so you can be sure that any traces of chromium or other harmful elements are within acceptable levels and not harmful to your health. You can use these screws in high-moisture environments like kitchens and off-shore constructions.

• Pin hex recess drive type
• Plain finish
• Button head shape
• Length of 20 mm
• Stainless steel material
• A2 304 stainless steel type
• M4 thread size