Countersink Thin Sheet Metal

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Countersink thin sheet metal. No c sink needed no metal removed from the sheet metal and more strength at the area of the screw head. Three step processes like this cost unnecessary time and money. Apr 14 2005 13. Get it as soon as thu sep 3.
The machined type of countersink is used in a or b series standard units for countersinking up to 10 gage material. Punch the hole drill the sink deburr. Mar 2 2005 5 038 1 0. 3 7 out of 5 stars 82.
The old way to make a countersink was a three step process. Sheet metal countersink chart choose from a variety of standard countersink options which can either be formed or machined into sheet part parts. 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. 98 of products ordered ship from stock and deliver same or next day.
And in doing so your screw joint may be weakened. 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. Here is a web address for a chart that will help with variables such as. Rocaris 3 piece 1 4 hex 12 16 19mm countersink bore set for wood metal quick change bit pack in metal box.
Free shipping on your first order shipped by amazon. 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. Illustration on this page.
The sheet metal is thin and often thinner than the height of the cs head. Hardware diameter countersink angle through hole diameter sheet. A forming countersink tool for the punch press is made to your specifications and produces a clean countersink in seconds. 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.