A new addition to the well known range of Amana Tool countersinks. Unique adjustable depth-stop developed for Quick and easy adjustment of the countersink depth.The user friendly design enables control of the drill length and its replacement, without the need to disassemble the depth-stop, #55237, (A°) angle 49°, (D) diameter 3/8, (D) shank 1/4, overall length (L) 2-3/8, D1 1/8, replacement drill 630-226, 55237 carbide Tipped adjustable Countersink with depth-stop 3/8 dia x 49 Degree angle x 1/4 shank includes REPL. Drill bit 630-226