1 Pc, Drill America #31 Cobalt Stubby Threaded Shank Drill Bit Overall Length 9/16, TSD31ST
$13.04
Size: #31; Material: Cobalt; Finish: Black Oxide; Overall Length: 9/16"; Shank Size: 1/4"-28; Shank Type: Threaded; Style: Threaded Shank; Cutting Angle: 1