National Stock Number: 5110-22-613-5859
Federal Supply Class: 5110
National Item Identification Number: 226135859
Description: PUNCH,DIMPLING
Detail: One of a pair of shaping tools, cylindrical in shape, having a precision ground straight shank and pilot. The pilot may or may not be integral with the body. It is used in conjunction with a dimpling die to form a countersink in thin metal for rivets and screws.
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