Sheet Metal Pilot Hole

Sheet metal screws.

Sheet metal pilot hole.

X 36 the md building products 36 in. The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal. Thin sheet metal pilot hole dimensions for fastite 2000 the following tables show the recommended pilot hole diameter for different plate thickness in relation to the nominal diameter of the screw. Pilot hole sizes for metal screws and wood screws posted 30 january 2010 at 9 43pm by michael chu filed under.

To help my readers out i thought i would add this quick reference chart. Pilot hole and shank clearance hole boring recommendations for wood screws screwdiameter bit or drill sizes no of auger bit to counterbore for striking head for shank clearance holes for pilot holes hard woods soft woods twist bitnearest size in fractions of an inch drill gauge no or letter to be used for maximum holdi. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. It is easy to work with and very attractive in the home.

This data is intended for guidance purposes. Size 8 1 8 inches. Mill aluminum union jack style perforated sheet metal offers a decorative way to complete your hvac door window hobby and cabinet projects. However there are times when sheet metal screws are required.

Your pilot hole drill bit size will depend on the size of your sheet metal screw. Step bits can be used to make even larger holes typically 1 3 8 inch wide or smaller in sheet metal but do require pilot holes. 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. The md building products 36 in.

Aluminum sheet and bar including aluminum andzinc die castings and all alloys in rockwell b hardnessrange from 40 70 and other ductile materials of similar hardness such as brass bronze etc note special materials and applications may warrant special hole sizes. Size 6 7 64 inches. Size 10 9 64 inches. The sheet features a union jack style perforated design.

This should help whenever you run into a situation you need to drill a pilot hole and are not sure the size bit. For clean precise holes in thin sheet metal make a wood sandwich. A size 4 screw should have a pilot hole drill size of 3 32 inches. And 5 16 inches 1 4 inches.

It is common practice to use a self starting step bit to form the. Sheet metal screws 100 our trucks deliver throughout se sw florida to place an order please call customer service at 1 800 226 5555 or fax to 800 582 6110 nominal screw size number of threads per inch 2 32 3 28 4 24 5 20 6 20 7 19 8 18 10 16 12 14 1 4 14 5 16 12 3 8 12 48 46 44 36 32 30 29 21 3 16 5 5mm i 21 64 0760 0810 0860 1065 1160 1285. Size 14 1 4 inches 3 16 inches. Size 12 5 32 inches.

Information available upon request.