RS PRO brings you a fantastic range of metric thumb screws designed to be installed easily and quickly with only fingertip pressure, they can also be tightened and loosened with a screwdriver using the slotted head. These thumb screws are blunt-ended screws with knurled heads to provide extra grip when tightening by hand. This range of screws is manufactured from nylon 6,6 to provide electrical insulation and corrosion resistance and is suitable for high voltage assemblies.
This range of screws includes M3, M4, and M5 with head diameters from 8.1 mm to 10.16 mm.

Thumb screws are the ideal fasteners for professionals or at home DIYers. These screws are designed to hold separate components together in a wide range of applications such as industrial machinery and vehicle engines with no tools needed for installation. These screws can be made from many materials such as nylon, brass, stainless steel and can also come zinc plated. They are screwed through pre-drilled tapped holes in two components and can be fastened at the rear with a nut. Thumb screws are used to fasten components in:
Machines
Tools
Appliances
Electronic Devices
Vehicles