Cimco 132504 is a complete round hole punch and matrix set for M20 / PG13 conduit thread with a hole diameter of 20.4 mm. It punches steel plate (ST 37) up to 2.0 mm using a Ø10 mm pilot hole and a 9.5 x 50 mm draw stud, working with either hydraulic or mechanical drives. Used to open cable entries in enclosure and switchgear panels.