Precision Punch & Plastics

6100 Blue Circle Drive

Minnetonka, MN 55343

Toll Free: (800) 227-0690


Punches & Pins

QB Style Core Pins / Perforators

Precision Punch & Plastics


QB Style

Core Pins

Stock in .001″ increments from .010″ diameter to .625″ diameter

Tight tolerance punch used by, tool, die and mold makers.

Core Pin Specifications and Variables

  • Highly polished finish 6-8 micro finish.
  • Precision form ground to close diameter tolerance +.0002/-.000.
  • Common fractional sizes available up to 3 1/2″ long.
  • M-2 high speed steel 60-63 Rockwell C.
  • Custom sizes can be made to order up to 1″ diameter.
  • Custom hardness RC 64-65 and triple drawn available on request.

Click Here for QB Core Pin Size Table

Precision Punch & Plastic’s Bevel Head Punches (Economy Pins)

Economical, punch used by tool, die and mold manufacturing.
Can be used as perforators, punches, knock-out pins, gauge pins, ejector and core pins.

BH style punches in stock in .001″ increments from
.020″ diameter to .750″ diameter.

Bevel Head Punch Specifications & Variables

  • Standard material is oil hardened 0-1 tool steel 58-60 Rockwell C.
    Also available in M-2 high speed steel 60-63 Rockwell C.
    Punch heads are annealed.
  • “D” is available in .001″ increments from .020″ through .750″
    “D” tolerance +/-.0003″ (up to 3/8″ below the head).
    Larger “D” than .750″ can be made to order
  • “L” is available in 2″ lengths, or in fractional diameters in
    4″ and 6″ lengths. Special lengths can be made to order.
    Tolerance of overall length is +1/32/-0.0
  • “T” (head thickness) is .7 x “D”. 5/32″ maximum head thickness
  • “T” on all punches greater than .225″ diameter.
  • “H” Head diameter is 1.8 x “D”.

Bevel Head

Bevel Head Punch



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