Nuts & Bolts is a simple application to look up screw sizes. It provides screw diameters, screw head dimensions, and tap drill sizes 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:
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* Socket Head Cap Screw