Step 1: Determine what size lock you’re replacing
Tubular standard (A dimension) Lock sizes are manufactured in 5/8”, 7/8”, 1 1/8” 1 1/2”
Step 2: Determine what size cam is required (Locking arm) (PLEASE NOTE, measure from center of hole to furthest outside radius). Standard cams lengths are:
Standard “A” dimension lengths: 5/8" ,3/4", 7/8" 1", 1 1/8", 1 1/4", 1 3/8", 1 1/2", 1 5/8", 1 3/4", 1 7/8", 2", 2 1/8", 2 1/4".
Offset / Inset Cams Determine the “A” dimension (refer to the standard “A” dimension lengths above) The “C” dimension are available in 1/16”, 1/8”, 3/16”, 1/4”, 3/8”, 1/2”.
