1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit
SDH1
1/4 In. to 1-3/8 In. High-Speed Steel Step Drill Bit
SDH10
1 1/8 In. High-Speed Steel Step Drill Bit
SDH11
3/16 In. to 7/8 In. High-Speed Steel Step Drill Bit
SDH2
1/4 In. to 3/4 In. High-Speed Steel Step Drill Bit
SDH3
1/4 In. to 7/8 In. High-Speed Steel Step Drill Bit
SDH4
7/8 In. High-Speed Steel Step Drill Bit
SDH5
3/16 In. to 1/2 In. High-Speed Steel Step Drill Bit
SDH6
9/16 In. to 1 In. High-Speed Steel Step Drill Bit
SDH7
1/2 In. High-Speed Steel Step Drill Bit
SDH8
3/16 In. to 1-3/8 In. High-Speed Steel Step Drill Bit
SDH9