Click Here for Installation Directions Accurately install Best B.A.S.I.S. series locks using the HIT-135 Drill Guide. This unit, thru-bolts to door using the existing 2-1/8” crossbore for alignment. All required mounting and function holes are located with hardened drill bushings, on both sides of template, to allow drilling from either side of door. Standard drill guide will accommodate doors up to 2” thick and a 2-3/4” Backset. |
