Iowa Precision Dual Head Cornermatic Classic CM3-DH


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The Dual Head Cornermatic Classic automatically inserts and crimps specially designed transverse duct connector (TDC) and transverse duct flange (TDF) style corners in seconds. Lets you do a duct section, eight corners, in about 60 seconds with virtually no physical exertion. Compared to other methods of hand insertion and crimping, it’s a saving of 3 to 6 minutes per section of ductwork depending on size and gauge.

● Capacity: 18 to 26 (.050″ to .022″ / 1.3mm to 0.6mm) / Mild Steel Only
● Depth of Pocket: Flange Type for insertion: TDC/TDF (Customer to Specify)
● Speed: Approximately 2.5 seconds per corner
● Motor / Voltage: Electrical – 110/1/60 (Single Phase) / Air – 85 to 100 PSI (5.5 – 7 Bar)


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