Countersunk Sheet Metal

Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts.

Countersunk sheet metal.

Blunt screws for sheet metal. A countersink screw has a taper that is largest at the head and reduces in size until it reaches the threaded shaft of the screw. After drilling a hole in the table for the screw you will be using and the matching hole in the sheet metal use this punch to make a depression in the sheet metal so the screw head sits below the surface of the sheet metal. 3 7 out of 5 stars 82.

Grainger offers a huge selection of sheet metal screws for your hvac and other metalwork projects. Free shipping on your first order shipped by amazon. Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability. Get it as soon as thu sep 3.

Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability. Hilitchi 10 hex washer head self drilling sheet metal tek screws assortment kit set with drill point self driller zinc plated carbon steel 160 pieces 4 5 out of 5 stars 35 13 79 13. More corrosion resistant than 18 8 stainless steel screws these have excellent resistance to chemicals and salt water. Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l.

The machined type of countersink is used in a or b series standard units for countersinking up to 10 gage material. Flat countersunk sheet metal screws. A 90 countersink angle is compatible with the profile of flat and oval head metric screws and is also good for deburring. These square drive screws are beveled under the head for use in countersunk holes.

18 8 stainless steel oval head screws for sheet metal. Creating a countersink in the metal allows the head of the screw to rest below the surface of the metal and provides the full structural strength of the screw. No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head. Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l.

18 8 stainless steel screws have good chemical resistance. An 82 countersink angle is compatible with the profile of flat and oval head inch screws. Machined countersinks are created with a drill press and formed countersinks are made with punch press tooling the best option depends on your project and part geometry.