Double “D” configuration protects your strain relief and cable assembly from the forces of twist.
Quick and easy operation.
Unique design prevents metal distortion during punching operation.
Allows for the punching of mild steel, aluminum, fiberglass, and plastic.
Wrench operated.
Consult Heyco for additional sizes.
Operating Instructions for Heyco®
Strain Relief Mounting Hole Punches
A. Drill hole in panel one size larger than the stud of the punch.
B. Disassemble punch and insert stud through hole.
C. Install die and backing plate onto shaft then bearing and nut.
D. Line up punch shaft to desired position and turn nut until punch goes through the metal.
E. Disassemble nut bearing and backing plate and remove the slug from the die.
F. Repeat process on next hole.
G. ALWAYS REMOVE SLUG AFTER PUNCHING!