55608 Carbide Tipped 82 Degree Countersink 

Taper #8 Screw 7/16 Dia x 11/64 Drill Dia x 5/16 Round Shank

(a°) Angle	49°
(B) Cutting Height	1/2
(D) Diameter	7/16
(d) Shank	5/16
Overall Length (L)	3-1/4
Wood Screw Size	#8
# Wings	2
D1	11/64
Replacement Drill	630-272
L1	1-5/8