Nuts & Bolts

Quick reference for screw dimensions and drill sizes

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.

Free version includes dimensions for screw diameters, tap drill sizes, clearance holes for all standard and metric sizes as well as screw head dimensions for pan and button head screws.

Get the PRO version and unlock screw head dimensions for:

* Socket Head Cap Screw

* Round

* Flat

* Hex

* Binder

* Fillister

* Truss