Screw Diameter Chart - Rolleston Mens Shed

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Gauge to Millimetre Conversion Chart

Self Tapping Screw Gauge       Size (g)                      (mm)

2                        2.2 3                        2.5 4                        2.9 5                        3.2 6                        3.5 7                        3.8 8                        4.2 9                        4.5 10                      4.8 12                      5.5

Non metric screw chart for, UNC, UNF, UNEF, with their mm sizes.

Metric Tap and Drill Bit Size Table

Tap	Metric Drill	US Drill
3mm x 0.5	2.5mm	–
4mm x 0.7	3.4mm	–
5mm x 0.8	4.3mm	–
6mm x 1.0	5.2mm	–
7mm x 1.0	6.1mm	15/64″
8mm x 1.25	6.9mm	17/64″
8mm x 1.0	7.1mm	–
10mm x 1.5	8.7mm	–
10mm x 1.25	8.9mm	11/32″
10mm x 1.0	9.1mm	–
12mm x 1.75	10.5mm	–
12mm x 1.5	10.7mm	27/64″
14mm x 2.0	12.2mm	–
14mm x 1.5	12.7mm	–
16mm x 2.0	14.2mm	35/64″
16mm x 1.5	14.7mm	–
Drill sizes are for 75% depth of thread.

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