Text Box: BRIDGE TOOL  SINGLE  Sp-65    DOUBLE Sp-66
Text Box: Text Box: Text Box: Text Box: Unlimited Length Width Nibbles

Punch is made for a specific material thickness

 

Text Box: Other sizes available

PROGRESSIVE STIFFENING RIB

ELECTRICAL KNOCK OUT TOOLS

Text Box: ELECTRICAL KNOCK OUTS
SINGLE Sp-60                 DOUBLE Sp-61

E.K.O. QUAD (4)

E.K.O TRIPLE (3)

E.K.O. DOUBLE (2)

E.K.O. SINGLE (1)

Tonnage Requirements:  Up to 3/4 of press capacity may be safely used.  Use the below to calculate tonnage required for your knockout size and material.   (ref. Page 7 for Ton-Per Sq. Inch)

Perimeter or 3.14XØ X Mat’l thickness X Mat’l Ton-Per-Sq.Inch

MS=25(22.5mm) AL=9.5-14(8-12,6mm) SST=50(45mm)

Example: 1” Pipe=1.375 actual size, in 12ga. Galvanized/mild steel   3.14 X 1.375 X .105 X 25=11.33 English tons. 

Text Box:

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CE TOOLING ELECTRICAL KNOCK OUT

Standard

“A”

“B”

“R”

Size

3/8

3/16

3/16

Con-duit

Actual Size

Con-duit

Actual Size

1/2

.875

2.000

3/4

1.125

2”

2.500

1”

1.375

3.000

1.750

3”

3.625

E.K.O. TAB LOCATION  “Common Use Chart”

Actual Size

Diameter 

SINGLE E.K.O.

DOUBLE   E.K.O.

Lower

Upper

Lower

Upper

0-.249 *

(0-6,3mm *)

 

 

 

 

.250-.313

(6,4-8,0mm)

 

 

 

 

.3140-1.374

(8,0-34,9mm)

 

 

 

 

1.374 –Max.(34,9mm–Max.)

 

 

 

 

* Must have tab on lower & Upper if thicker than 16 gauge.  Thinner materials only need tab on Upper.