System Zero Plain Stainless Steel Flange Button Tamper Proof Security Screw, M4 x 19 mm

Metric Machine Screws: Stainless Steel

System Zero® Tamperproof Screws

Tamperproof security machine screws which require a special tool for insertion or removal

• Suitable for security applications requiring high torque fasteners

Standards

BS type 394S17, EN. 4567