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Heyco® Knock-Out Seals and Thick Panel

Knock-Out Seals Mounting Hole Diameter Range: 1/2" to 2" Electrical Knock-Outs (.875" to 2.500" nominal)

Heyco® Knock-Out Seals and Thick Panel

Part numbers and specifications:

MOUNTING HOLE
DIAMETER
TRADE SIZEPART NO.DESCRIPTIONPART DIMENSIONSCAD
Silver
Gray
A
Head Diameter
B
Overall Height
mm.mm.mm.

Multiple Locking Steps for Panel Thickness up to .125" (3,2 mm)

22,2 1/2 3997 KOS 1/2 25,8 11,5 CAD
27,8 3/4 3998 KOS 3/4 31,0 CAD
34,9 1 3999 KOS 1 38,1 CAD
44,5 1-1/4 4000 KOS 1-1/4 48,4 12,0 CAD
50,8 1-1/2 4001 KOS 1-1/2 54,9 11,5 CAD

Multiple Locking Steps for Panel Thickness up to .250" (6,4 mm)

22,2 1/2 3991 KOST 1/2 25,8 14,3 CAD
27,8 3/4 3992 KOST 3/4 31,0 CAD
34,9 1 3993 KOST 1 38,1 CAD
44,5 1-1/4 3994 KOST 1-1/4 48,4 CAD
50,8 1-1/2 3995 KOST 1-1/2 54,9 14,7 CAD
63,5 2 4002 KOS 2 69,3 19,1 CAD

Standard color silver gray.

Available downloads:

Heyco-R-_Knock-Out_Seals_and_Thick_Panel_Knock-Out_Seals