M5 & M8 bolt head thumb screw - no wrench required

3D printed thumbscrew for easy grip, tight fit and no tools required

I printed a project using a table clamp design and was not keen using a screw driver to adjust tension.
So I replaced theM5 & M8" philips head bolts with hex bolts and printed these simple but effective thumbscrews.

Less than 8mins printing and <4.5g filament per thumbscrew these create great tension without tools.

This is my M5 & M8 versions used on Pinnacle Zinc Plated Hex Head Bolts And Nuts but will suit all bolts with an M5 and M8 thread and a head size of 10mm and 13mm diameter respectively.