Sheet Metal Countersink Punch
Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts.
Sheet metal countersink punch. These tools eliminate the need to set up a drill press or other secondary operation to make the countersink. 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. This improves accuracy and reduces setup time when adjusting for forming heights. The old way to make a countersink was a three step process.
These punch holders allow operators to adjust the upper tool length even if stroke control is not available. Punch the hole drill the sink deburr. A forming countersink tool for the punch press is made to your specifications and produces a clean countersink in seconds. It eliminates the labor intensive drill and deburr operations.
No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head. A series units with adjustable feed opening are recommended for easy removal of formed workpiece. Countersing punches with standard open die buttons as illustrated to the left are used in a or b series units for countersinking up to 10 gage mild stell to accept flat head screws. 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.
Countersink tools create countersinks in punched holes to accommodate flathead screws and other specialty hardware and fasteners. Three step processes like this cost unnecessary time and money. Ibosad hydraulic knockout hole punch driver kit 1 2 to 2 inch electrical conduit hole cutter set ko tool kit metal sheet.