Standard Sheet Metal Hole Punch Sizes

The most common standard dimension and location of filing holes punched in paper is international standard iso 838.

Standard sheet metal hole punch sizes.

Slot sizes locations. 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. Choose from our selection of sheet metal punches including lever operated hole punches stud driven hole punches and more. We can punch material up to a max sheet size of 60 wide x 168 long.

Dimensions for ordering. 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. 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. 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.

Two holes with a diameter of 6 0 5 mm are punched into the paper. The centers of these holes are 80 0 5 mm apart and have a distance of 12 1 mm to the nearest edge of the paper. The maximum force for our new punch press is 23 tons with a maximum material thickness of 315. 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.

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. Manual ratchet and hydraulic. The setup consists of a punch and a punching die. Let s make holes faster.

There is a very small clearance between the two. These punches are half the size of standard portable lever operated punches. First a pilot hole is drilled slightly larger than the screw of the knockout punch. Less clearance may be needed for very thin sheet metal.

The holes are located symmetrically in relation to the axis of the sheet or document. High speed punch press. 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.

This allows us the ability to punch a 2 diameter hole through 1 8 thick stainless steel. Our durable punch die sets provide the repeatability and dependability your operation demands.