M3.5 x 60mm Security Raised Socket Countersunk Screws - Black A2 Stainless Steel: Accu.co.uk: Precision Screws
Click M3.5 Security Screw 22mm Long (Pack of 100) (SP622)
Harlington Group Pack of 40 Mixed M3.5 Screws 35mm, 40mm,50mm and 75mm Long Assorted Electrical Machine Screw for Light Switch and Plug Sockets Bright ...