Pneumatic Screwdriver

thingiverse

Print your own powerful pneumatic screwdriver! This small, lightweight tool is perfect for driving screws and unscrewing bolts with ease. The bit holder can be made magnetic by inserting a magnet mid-print, or clamps can also be used. This pneumatic screwdriver can be equipped with the R-38 or R-52 pneumatic rotary engine (the R-52 is recommended). The gear ratio is approximately 10:1, calculated precisely as 72/7. Watch this video to see the screwdriver in action: https://youtu.be/nEob5q785XU Filament sponsored by Fillamentum comes in these amazing colors: Vertigo Starlight Rapunzel Silver Gold Happens Everybody's Magenta Ruby Red Additional items you'll need include: Pneumatic rotary engine: [R-38](https://www.thingiverse.com/thing:3808689) or [R-52](https://www.thingiverse.com/thing:3668776) 4x bearing type 608 (e.g. 608ZZ or 608RS), which can also be printed using a 3D printer (https://www.thingiverse.com/thing:3593568) Optional: 1x bearing type HK1616, available at Conrad (https://www.conrad.com/p/hk-needle-roller-bearings-ubc-bearing-hk-1616-bore-diameter-16-mm-outside-diameter-22-mm-rotational-speed-max-10000-r-197885), or a dummy bearing can be printed (in files section) 3x push fitting size M5 x 4 mm (e.g. [this one](https://www.compatiblepneumatics.com/nr_111_riki-4-x-m5-package-10-pieces_IK0212345010)) M2 and M3 screws in various lengths M2 standard nuts, M3 lock nuts 4 mm pneumatic tubing A pressurized air source is required, with a minimum of 2 bar (0.2 MPa) and a recommended 3-4 bar (0.3-0.4 MPa) for optimal performance.