|Robert Larson 355-4040 Countersink Drills Screw Size #4 C's 5/16"|
355-4040 Countersink Drills
Drills the hole for the threaded and shank portion of wood screw, countersink for bevel under head, and if required, counterbore for wood plug.
Complete with countersink, taper drill, & stop collar.
All parts available separately.
Size indicates wood screw sizing.
Made in USA.
Screw Size: 4
Countersink size: 5/16"