55268 Carbide Tipped 82 Degree Countersink

 1/2 Dia x 49 Deg x 1/4 Quick Release Hex Shank

 for Wood Screw #12

(a°) Angle	49°
(D) Diameter	1/2
(d) Shank	1/4
Overall Length (L)	2-1/8
Wood Screw Size	#12
D1	9/64
Replacement Drill	630-802