SLOT HOLES
What size hole do you need?


No. 22 Slot


Not to scale
.020" x .115" slot
(.508 x 2.921 mm)
.050" centers (1.270 mm)
Side staggered
30% open

26 B&S ga. Brass
Length of slot runs lengthwise of coil

 


.200" x .637" Slot


Not to scale
(5.080 x 16.180 mm)
.050" bridges (1.27 mm)
1/4" centers (6.350 mm)
Straight
74% open

22 ga. Steel
Length of slot runs width of sheet

 


3/32" x 3/4" Slot


Not to scale
.094" x .750" slot
(2.381 x 19.050 mm)
5/32" centers (3.969 mm)
Straight
50% open

18 ga. Steel
Length of slot runs width of sheet

 


9/32" x 1-27/32" Slot

.281" x 1.844" slot
(7.144 x 46.831 mm)
All Bridges 1/8"
(3.175 mm)
65% open

16, 18 ga. Steel
Length of slot runs width of sheet

 


1/4" x 1-1/2" Slot

.250" x 1.5" slot
(6.350 x 38.100 mm)
Every third bridge 3/16"
(4.763 mm) wide
Other bridges 3/32"
(2.381 mm)
67% open

16, 18, 20 ga. Steel
Length of slot runs width of sheet

 


Fence

(5.080 x 16.180 mm)
59% open

22 ga. Steel
Length of slot runs width of sheet


© Harrington & King Perforating Company, Inc. 2016