QB Pins

QB Style Core Pins / Perforators

Stock in .001″ increments from .007″ diameter to .250″ diameter and most sizes up to .500″ diameter. Diameter up to 1″ by custom quote.

Stock four place decimals in common fractions.

Send us your print! We will quote your custom pin.

Core Pin Specifications and Variables

• Highly polished finish 6-8 micro finish.
• Precision form ground to close diameter tolerance +.0002/-.000, +.0003/-.0000 for diameter greater than .375″.
• Common sizes stocked up to 3 1/2″ long, custom up to 12″ 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.
• Stocking 440C stainless steel RC 56-58 QB Pins in most sizes.