Screws
Screw size, screw gauge, machine, wood and sheet metal screw charts.
Screws charts
Machine Screw Size Chart: #0000 to 1/2 in and M1.6 to M12 Table (Free PDF)
Every machine screw size with diameters, UNC and UNF pitches, head dimensions for six styles and quick drill picks.
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Screw Gauge Chart: Number to Diameter Table (Free PDF)
Gauge numbers #0000 to #24 converted to decimal inch, fraction and mm, with wood, machine and metric equivalence tables
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Screw Size Chart: Imperial and Metric Screw Dimensions Table (Free PDF)
The cross-family screw size picker: diameters, head sizes, drivers, lengths and US-metric matches in one chart.
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Sheet Metal Screw Size Chart: Gauge and Pilot Hole Table (Free PDF)
Gauge diameters, threads per inch, pilot hole drill sizes, head dimensions and metric ST sizes for self tapping sheet metal screws.
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Wood Screw Size Chart: ANSI Gauge, Metric and Length Dimensions Table (Free PDF)
ANSI B18.6.1 dimensions for #0 to #24, head sizes, stocked lengths, modern SPAX and GRK production screws and metric DIN 97 equivalents.
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