Standard Sheet Metal Hole Punch Sizes

A knockout punch also known as a chassis punch panel punch greenlee punch or a q max is a hand tool used to punch a hole through sheet metal it is a very simple tool that consists of a punch die and screw there are three different drive systems.

Standard sheet metal hole punch sizes.

This allows us the ability to punch a 2 diameter hole through 1 8 thick stainless steel. Let s make holes faster. High speed punch press. Our durable punch die sets provide the repeatability and dependability your operation demands.

We normally recommend the following clearance hole sizes for common size american bolts 5 16 for a 1 4 inch screw 3 8 for a 5 16 screw and 7 16 for 3 8 bolts and 9 16 for 1 2 bolts 11 16 for 5 8 bolts 13 16 for 3 4 bolts 1 1 16 for 1 bolts. Manual ratchet and hydraulic. Create flares around already cut holes in sheet metal up to 3 16 thick to make the edges stronger and more rigid. The sheet metal punch is the size of the hole to be punched while the die is slightly larger.

These punches are half the size of standard portable lever operated punches. Two holes with a diameter of 6 0 5 mm are punched into the paper. The maximum force for our new punch press is 23 tons with a maximum material thickness of 315. Use this specific download page for our metal hole punch tools and units parts book catalog.

The holes are located symmetrically in relation to the axis of the sheet or document. The difference in size between the punch and the die is called die clearance. The setup consists of a punch and a punching die. There is a very small clearance between the two.

Stock sizes of oblong round and square ironworker punches and dies american punch company manufactures the most trusted punches and dies used in the steel fabrication industry. First a pilot hole is drilled slightly larger than the screw of the knockout punch. Jeemitery 1 16 and 1 8 inch small mini tiny shaped circle metal single handheld hole paper punch punchers with soft handled for tags clothing ticket 4 2 out of 5 stars 162 officemate 2 hole punch 30 sheet capacity black 90092. Slot sizes locations.

Punching is a very common technique for cutting holes in sheet metal. When the punch and the die meet the material is pressed between the two and with subsequent pushing the shearing force cuts a hole in the sheet. Less clearance may be needed for very thin sheet metal. This distance varies with part thickness to allow the shearing action to take place and also to reduce the amount of force it takes to punch.

Dimensions for ordering. Choose from our selection of sheet metal punches including lever operated hole punches stud driven hole punches and more.