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Holemaking


Knockout Punches Actual Hole Size Chart

Description

StandardPiece MakerTMPunch and
Conduit Size
Actual Punched
Hole Diameter (in.)
1560 1524 1/2" .885
1561 1526 3/4" 1.115
1562 1528 1" 1.362
1563 1530 1 1/4" 1.701
1564 1532 1 1/2" 1.948
1565 1534 2" 2.415
1566 - 2 1/2" 2.910
1568 - 3" 3.545
1570 - 3 1/2" 4.048
1572 - 4" 4.550
1576 - 5" 5.660
1578 - 6" 6.750
Knockout TypeConduit Size Hole RangePart NumberPage No.
Manual 1/2" to 1 1/4" 158PM 16
1 1/2" to 2" 159PM 16
Ratchet 1/2" to 2" 157PM 17
Hydraulic Punch Driver Straight & 90 Deg. 1/2" to 2" 170PM 18, 19
1/2" to 2" 179PM 18, 19
Hydraulic,With Standard Punches 1/2" to 2" 152 20, 21
1/2" to 4" 154 20, 21
Hydraulic, With Piece Maker Punches 1/2" to 2" 152PM 22, 23
1/2" to 4" 154PM 22, 23
Cordless Drill Punch Driver 1/2" to 2" 162PM 24, 25
1/2" to 4" 164PM 24, 25
Hydraulic, Heavy Duty for Stainless Steel 1/2" to 2" 160SS 26, 27
1/2" to 4" 161SS 26, 27
Cordless Drill Punch Driver, heavy Duty for Stainless Steel 1/2" to 2" 162SS 28
Punch and Die Set 2 1/2" to 4" 2 1/2" to 4" 156 30, 31
Punches and Dies for 5" and 6" 5" and 6" 1576, 1577 32
1578, 1579 32
Hydraulic Pump, Ram, Hose   1521, 1522, 1523 33
Stud Punch 7/8" actual hole size 140 34
1 11/32" actual hole size 141 34

Specifications

Literature