US 6,981,327 B2
Two piece punch with pilot hole locator
William F. Nordlin, Poplar Grove, Ill. (US)
Assigned to Greenlee Textron Inc., Rockford, Ill. (US)
Filed on Jan. 10, 2003, as Appl. No. 10/340,121.
Prior Publication US 2004/0134325 A1, Jul. 15, 2004
Int. Cl. B26F 1/02 (2006.01)
U.S. Cl. 30—360 20 Claims
OG exemplary drawing
 
16. A punch adapted to be mounted on a draw stud and for cutting a hole in a workpiece, said punch comprising:
a cutter including an aperture therethrough, and a surface which is used to form a hole in a workpiece, said surface having a forwardmost end; and
a nut removably engaged with said cutter by passing said nut through said aperture, a portion of said nut extending beyond said forwardmost end of said cutter when said nut is engaged with said cutter, said nut including means for engaging a draw stud.