Countersunk Sheet Metal

A 90 countersink angle is compatible with the profile of flat and oval head metric screws and is also good for deburring.

Countersunk sheet metal.

3 7 out of 5 stars 82. 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. The die shown at the left allows the punch and die to bottom the countersink shape into the workpiece at the bottom of the stroke due to the nature of this style material will deform and a burr will occur. 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.

These square drive screws are beveled under the head for use in countersunk holes. Get it as soon as thu sep 3. Blunt screws for sheet metal. 18 8 stainless steel oval head screws for sheet metal.

More corrosion resistant than 18 8 stainless steel screws these have excellent resistance to chemicals and salt water. 18 8 stainless steel screws have good chemical resistance. Flat countersunk sheet metal screws. The machined type of countersink is used in a or b series standard units for countersinking up to 10 gage material.

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. Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l. No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head. Grainger offers a huge selection of sheet metal screws for your hvac and other metalwork projects.

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. Rocaris 3 piece 1 4 hex 12 16 19mm countersink bore set for wood metal quick change bit pack in metal box. Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability. Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts.

Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l. 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.