Nuts & Bolts PRO

Tim Judkins

Nuts & Bolts PRO app icon
4.4 stars85 reviews1,000+$2.99
ToolsEveryoneVersion 1.3.1Updated 6/20/2025, 5:02:22 AM
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Nuts & Bolts is a simple application to look up screw sizes. It provides screw diameters, screw head dimensions, tap drill sizes, and clearance holes for standard sizes #0 to 1" and metric sizes M1.4 to M24. A simple interface allows you to cycle through sizes and screw types OR tap any dimension to quickly jump to the size you want.

Screw head types include:
* Pan
* Button
* Socket Head Cap Screw
* Round
* Flat
* Hex
* Binder
* Fillister
* Truss
Developer email
android@botnerd.com
Developer website
https://botnerd.com
Released
Mar 13, 2011
Current version
1.3.1
Android version
6.0
Reviews & Ratings
4.4
out of 5
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😊 Highly rated by users
85 reviews

Screenshots

Nuts & Bolts PRO screenshot 1Nuts & Bolts PRO screenshot 2Nuts & Bolts PRO screenshot 3Nuts & Bolts PRO screenshot 4Nuts & Bolts PRO screenshot 5Nuts & Bolts PRO screenshot 6