Size Of Sheet Metal Screws

To obtain the actual diameter multiply the screw size by 13 and then add 060 inches.

Size of sheet metal screws.

The size of a screw is characterized by a proportional number from 0 24 which defines the head and shaft diameter not the length. 78 15 99 15. Screws for sheet metal more corrosion resistant than 18 8 stainless steel screws these have excellent resistance to chemicals and salt water. Sizes typically range from 2 to 3 8.

A number 6 size sheet metal screws teks screws drywall screws particle board screws wood screws u drive screws. Grainger offers a huge selection of sheet metal screws for your hvac and other metalwork projects. Hilitchi 190 pieces 10 stainless phillips drive hex washer head self drilling sheet metal tek screws with drill point 1 2 to 1 1 4 size inside plastic box 8 by hilitchi 15 78 15. Types a and ab are usually considered interchangeable.

If they include the thread count it comes between the two numbers like 10 35 x 2. An industry numeric size preceded by a sign. Print this page. Drill bit size inch 0 80 3 64in 1 64.

Made from hardened steel the threads create their own mating thread in pre drilled holes. Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l. If the metal is thicker and harder thread cutting screws are used. Sheet metal screw to drill bit size table screw size drill bit size 2 3 32in 4 1 8in 6 5 32in 8 3 16in 10 13 64in 12 1 4in 1 4in 9 32in 5 16in 21 64in 3 8in 25 64in.

For example 10 x 2 means that the screw is a 10 gauge and is 2 inches long. The sharp threads draw material together and ensure a secure hold. These sizes were standardized based on sizes already commonly in use in the market. Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability.

Order your supply online from grainger. They don t usually list the threads per inch. Us sheet metal screw diameters. Decimal nearest fractional 4 112.

Tap and drill size chart standard tap size. Screws sold with imperial system measurements on the packaging list the gauge first and the length next.