Threaded Shank Punches

Threaded Shank Punches are ideal for heavy cutting in thick materials such as leather, plastic, rubber and similar materials. These punches may be used for cutting multiple layers of material.

C & K offers a complete system of interchangeable threaded shank punches and accessories.

Overview of Features:
  • For use in solid steel dies.
  • Perfect for hand punching operations.
  • Convenient"screw in" design for quick and easy set-up and replacement.
  • Threaded shanks allow for simple cutting size changes.
  • Wrench flats are provided on all punches for easy installation and removal.
  • All threaded shank punches are made from thru-hardened and tempered tool steel for durability.
Threaded Shank Tube Punches:
  • Five standard heights: .375"(3/8), 17/32", .750"(3/4), .875"(7/8), 1.000".
  • Other heights including 1 1/4", 1 1/2", and 2.000" available by special order.
  • Thirty standard cutting sizes from .040" to 1".
  • Multi-step internal boring provides sufficient clearance for smooth ejection of waste material through the back of the punch.
  • Tube punches generally cut .007" larger than the nominal hole size.
  • Threaded Shank Tube Punches Size Chart
      Order
      Number      		 Nominal
      Hole Size      		 Thread
      Size      		 Shoulder
      Diameter      		 Wrench
      Flat Size
      1 .040" .295 x 32* 3/8" 5/16"
      2 3/64
      3 1/16
      4 5/64
      5 3/32
      6 7/64
      7 1/8
      8 5/32
      9 11/64
      10 3/16
      11 .1935
      10A 3/16 .365 x 32 7/16 3/8
      12 13/64
      13 7/32
      14 1/4
      15 9/32
      15A 9/32 .510 x 32 5/8 1/2
      16 5/16
      17 11/32
      18 3/8
      18A 3/8 .625 x 24 3/4 5/8
      19 13/32
      20 7/16
      21 15/32
      22 1/2
      22A 1/2 .750 x 24 7/8 3/4
      23 9/16
      24 5/8
      25 11/16 1 x 14 1 1/4 1"
      26 3/4
      27 13/16 1 1/8 x 18 1 3/8 1 1/8
      28 7/8
      29 15/16 1 1/4 x 18 1 1/2 1 1/4
      30 1"
      Standard heights: 3/8, 17/32, 3/4, 1"
      Other available heights: 7/8, 1 1/4, 1 1/2, 2"
      * 7/8" height punches have .294 x 24 thread
Threaded Shank Pin Point Punches:
  • Five standard heights: .375"(3/8), 17/32", .750"(3/4), .875"(7/8), 1.000".
  • Other heights including 1 1/4", 1 1/2", and 2.000" available by special order.
  • Standard pin diameter is 1/8", other diameters available by special order.
  • Thread Size: 0.295X32
  • Shoulder Diameter: 3/8"
  • Wrench Flat Size: 5/16"
  • Reference Drawing
Punches Handles:
  • C & K offers a complete line of solid steel handles to fit all cutting sizes.
  • Solid steel construction, 4" standard length.
  • Side outlet hole for waste ejection.
  • Use for hand punching operations or as height extension in production dies.
  • Reference Drawing
  • Punches Handles Size Chart
      Fits Punch Number Outiside Diameter
      Pin, 1-11 1/2"
      10A, 12-15 5/8
      15A, 16-18 3/4
      18A, 19-22 1"
      22A, 23-24 1 1/8
      25-26 1 3/8
      27-28 1 3/8
      29-30 1 1/2
Taps For Threaded Shank Punches:
  • Threaded shank punches are manufactured with thread sizes for optimum performance in your dies.
  • C & K offers the full range of taps needed for installation.
  • High speed hand taps for all threaded sizes.
  • Reference Drawing
  • Taps for Threaded Shank Punches Size Chart
      Punch
      Numbers      		 Thread Size/Pitch Tap Size Recommended Tap Drill Size
      Pin, 1-11 .295 x 32 Letter F
      Pin, 1-11 (7/8"Height) .295 x 24 Letter F
      10A, 12-15 .365 x 32 Letter R
      15A, 16-18 .510 x 32 31/64
      18A, 19-22 .625 x 24 37/64
      22A, 23-24 .750 x 24 45/64
      25-26 1 x 14 59/64
      27-28 1.125 x 18 1 1/16
      29-30 1.250 x 18 1 3/16


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