No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head.
Countersink thin sheet metal.
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.
3 7 out of 5 stars 82.
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.
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.
Apr 14 2005 13.
Free shipping on your first order shipped by amazon.
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.
Rocaris 3 piece 1 4 hex 12 16 19mm countersink bore set for wood metal quick change bit pack in metal box.
Illustration on this page.
Get it as soon as thu sep 3.
Mar 2 2005 5 038 1 0.