Machine Screws Vs Sheet Metal Screws

One of the most difficult aspects of being a seller of screws is knowing what your customer is looking for when they ask for self tapping screws.

Machine screws vs sheet metal screws.

0 screw is a mere 3 50 of an inch in diameter while a no. The sheet metal screws flaunt a straight shank along with a finer threading pattern other than the wooden rivets which are threaded only two thirds of the way up. 16 screw is 3 8 inch in diameter. A machine screw with a matching nut.

Self tapping screws have a sharp tip that is designed to cut through metal but the metal must be pre drilled before these screws can. Decimal nearest fractional 4 112. Self drilling screw points are numbered from 1 through 5 the larger the number the thicker metal it can go. Think of heating ducts for instance.

If you re attempting to attach sheet metal you should choose metal screws. They usually have pan heads and will probably work as a wood screw if you need a substitute. Print this page. Similar to sheet metal screws but self drilling screws have a drill shaped point to cut through sheet metal or steel which eliminates the need for drilling a pilot hole we offer the best self drilling screws that are designed for use in soft steel or other metals.

Pitch refers to the number of threads per inch. Us sheet metal screw diameters. A guide to terminology. Usually sheet metal screws are tiny with a sharp point intended for piercing and driving into sheet metal.

The term self tapping screws or tapping screws or self tappers generally refers to a type of screw that is self. In short wood screws are designed to be driven into wood materials while metal screws are designed to be driven into metal materials hence the names. They are easier to drive into metal and will offer a greater level of strength and security. There are two basic types of sheet metal screws self tapping screws and self drilling screws.