Sheet Metal Pilot Hole Size Chart

Inch approx us gauge material.

Sheet metal pilot hole size chart.

To save you time our quick reference chart above will tell you which drill bit to use for a given screw size. To help my readers out i thought i would add this quick reference chart. Pilot hole sizes for metal screws and wood screws posted 30 january 2010 at 9 43pm by michael chu filed under. Tap size drilling chart provides a list of standard size taps specifying the diameter and thread spacing for fractional metric and screw sizes.

However there are times when sheet metal screws are required. Life while installing shelving in my home i had to drill pilot holes for 8 and 12 metal screws into studs. Drill size hole diameter nominal screw size number of threads per inch 6 18 7 16 8 15 10 12 12 11 14 10 20 9 24 9 32 30 29 21 3 16 5 5mm l 11 32 1160 1285 1360 1590 1875 2165 2900 3438 drill size hole diameter suggested hole sizes for types ab b 25 hole size hole size suggested hole sizes for types a. The problem was i didn t know how big to drill the holes and when the holes were too small it was quite difficult to.

There is nothing more aggravating when you just don t know what size drill bit to use for a pilot. Sheet metal screws. This should help whenever you run into a situation you need to drill a pilot hole and are not sure the size bit. Self tapping screws sheet metal.