Countersunk Sheet Metal Die

When countersinking metal sheet you may enlarge the through hole on the bottom of the sheet too much before you get the hole on the top of the sheet large enough for the screw head to sit flush.

Countersunk sheet metal die.

The features of a formed countersink are the form angle major diameter minor diameter and depth see figure 1. Create a raised edge in sheet metal that locks into the rolled edge of another piece. Hardware diameter countersink angle through hole diameter sheet. And in doing so your screw joint may be weakened.

Get it as soon as thu sep 3. 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. Select the head type and overall size you need in lengths ranging from 1 4 l to 4 l. Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts.

4 2 out of 5 stars 60. Create flares around already cut holes in sheet metal up to 3 16 thick to make the edges stronger and more rigid. 10 x 3 in plain 18 8 stainless steel tapping sheet metal screw with flat countersunk head type 100 item 31jn43 mfr. No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head.

Steel hardened steel low carbon steel and stainless steel give sheet metal screws long lasting durability. Here is a web address for a chart that will help with variables such as. 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. Sheet metal hole flaring dies.

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. Free shipping by amazon. The point and the surface of the punch apply force and displace material as the sheet is pressed against a blank die. Also known as dimple dies.

Unlike a machined countersink a formed countersink does not remove but instead displaces material. Grainger offers a huge selection of sheet metal screws for your hvac and other metalwork projects.