Black Oxide

7/16" Thunderbolt® Black Oxide Drill Bit

29/64" Thunderbolt® Black Oxide Drill Bit

15/32" Thunderbolt® Black Oxide Drill Bit

1/2" Thunderbolt® Black Oxide Drill Bit

THUNDERBOLT® Black Oxide Drill Bit Set – 15PC

31/64" Thunderbolt® Black Oxide Drill Bit

THUNDERBOLT® Black Oxide Drill Bit Set - 21PC

1/2" x 12" Aircraft Length Black Oxide Drill Bit

5/8" S&D Black Oxide Drill Bit

1" S&D Black Oxide Drill Bit

7/8" S&D Black Oxide Drill Bit

3/4" S&D Black Oxide Drill Bit

5/16" x 12" Aircraft Length Black Oxide Drill Bit

1/8" x 12" Aircraft Length Black Oxide Drill Bit

1/4" x 12" Aircraft Length Black Oxide Drill Bit

3/8" x 12" Aircraft Length Black Oxide Drill Bit

7/16" x 12" Aircraft Length Black Oxide Drill Bit