For example 10 x 2 means that the screw is a 10 gauge and is 2 inches long.
Size of sheet metal screws.
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.
Types a and ab which have a standard point and blunt point type b are common sheet metal screws.
If they include the thread count it comes between the two numbers like 10 35 x 2.
Us sheet metal screw diameters.
Types a and ab are usually considered interchangeable.
78 15 99 15.
Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability.
If the metal is thicker and harder thread cutting screws are used.
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.
An industry numeric size preceded by a sign.
Order your supply online from grainger.
A size 8 screw is twice the shank diameter of a size 4 screw.
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.
They don t usually list the threads per inch.
Grainger offers a huge selection of sheet metal screws for your hvac and other metalwork projects.
Made from hardened steel the threads create their own mating thread in pre drilled holes.
To obtain the actual diameter multiply the screw size by 13 and then add 060 inches.
Decimal nearest fractional 4 112.
Screws sold with imperial system measurements on the packaging list the gauge first and the length next.
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.
Drill bit size inch 0 80 3 64in 1 64.
Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l.
A number 6 size sheet metal screws teks screws drywall screws particle board screws wood screws u drive 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.