1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit
1/4 In. to 1-3/8 In. High-Speed Steel Step Drill Bit
1 1/8 In. High-Speed Steel Step Drill Bit
3/16 In. to 7/8 In. High-Speed Steel Step Drill Bit
1/4 In. to 3/4 In. High-Speed Steel Step Drill Bit
1/4 In. to 7/8 In. High-Speed Steel Step Drill Bit
7/8 In. High-Speed Steel Step Drill Bit
3/16 In. to 1/2 In. High-Speed Steel Step Drill Bit
9/16 In. to 1 In. High-Speed Steel Step Drill Bit
1/2 In. High-Speed Steel Step Drill Bit
3/16 In. to 1-3/8 In. High-Speed Steel Step Drill Bit