Countersink Thin Sheet Metal

The sheet metal is thin and often thinner than the height of the cs head.

Countersink thin sheet metal.

The machined type of countersink is used in a or b series standard units for countersinking up to 10 gage material. Free shipping on your first order shipped by amazon. The old way to make a countersink was a three step process. 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.

Mar 2 2005 5 038 1 0. Apr 14 2005 13. Punch the hole drill the sink deburr. Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts.

Three step processes like this cost unnecessary time and money. Here is a web address for a chart that will help with variables such as. They have finishing washers you could use for your purpose instead of having to countersink the thin metal sheet unless you want the screw head flat level with the surface. 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.

98 of products ordered ship from stock and deliver same or next day. It eliminates the labor intensive drill and deburr operations. If you must have the screws flush or a bit below then the depth stop is critical as you will need to stop the cs cutter when the screw head seats just a few thousanths below the surface. 3 7 out of 5 stars 82.

A forming countersink tool for the punch press is made to your specifications and produces a clean countersink in seconds. Get it as soon as thu sep 3. And in doing so your screw joint may be weakened. 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.

Illustration on this page. You may want to leave the head a bit above the surface of the sheet metal. No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head. Mcmaster carr is the complete source for your plant with over 595 000 products.