Punch Blank, Precision Tolerance, M2 Steel, Royal PPB Fractional Inch

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This Royal CPB type punch blank has a cylindrical head and a straight shank. It is made of M2 high-speed steel heat-treated to a hardness of 60-63 Rc. The shank diameter is precision form-ground within a Precision Tolerance of +.0002/+.0004 after heat treatment to achieve a better tolerance and finish. The head is drawn back to a lower hardness of 45-55 Rc.

The available fractional inch diameters are 1/8, 5/32, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 7/8, and 1. Please contact us if you need a diameter manufactured to a different fraction, or if you need us to make any alterations.

RELATED: Royal CPB Punch Blank, Commercial Tolerance

DELIVERY TIME: Normally in stock and ships the next business day.

SHIPS FROM: Royal Pins products are sent directly to you from the factory in Warren, RI

MINIMUM ORDER: Your order receives immediate processing when it includes at least $35 in Royal Pins products. If your order has less than $35 in Royal Pins products, we may delay or cancel it.