Grounding Locknuts

Dimensional Table
A B
Cat. # Diameter Thickness
GRL50 1.340 .170
GRL75 1.575 .170
GRL100 1.890 .170
GRL125 2.300 .170
GRL150 2.600 .170
GRL200 3.100 .187
GRL250 3.562 .375
GRL300 4.250 .375
GRL350 4.803 .375
GRL400 5.402 .375

Cat. # Size Ctn Pkg 100
GRL50 1/2" 100 1000 3
GRL75 3/4" 100 1000 3
GRL100 1" 50 500 5
GRL125 1-1/4" 50 250 6
GRL150 1-1/2" 25 250 9
GRL200 2" 20 200 14
GRL250 2-1/2" - 25 16
GRL300 3" - 20 28
GRL350 3-1/2" - 10 36
GRL400 4" - 10 40

Grounding Locknuts
Threaded for Rigid/IMC conduit
Used to insure positive bonding and fastening to a box or enclosure
Required for installations where severe vibration is encountered
Solid steel construction
Zinc plated for corrosion protection