Bosch SDH1 1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit 9031 Lightweight and Slim Housing for

Lightweight and Slim Housing for Easy Handling

5/16" 24" 1

Smooth Finish Turbo Row 4" M10 Hub

this tool delivers exceptional performance in drilling and chiseling applications

Bosch SDH1 1/8 In. to 1/2 In. High-Speed Steel Step Drill Bit 9031 Lightweight and Slim Housing forDiameter 1 8" to 1 2" Increments 1 32" Step Depth 1 8" Number of Hole Sizes 13 Shank Diameter 1 4" Application All common drilling needs Point Type Self starting *Note Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM View More Sizes Item # Reviews Diameter Increments Step Depth Number of Hole Sizes SDH10 1 4" to 1 3 8" 1 8" 1 8" 10 SDH11 1 1 8" N A N A SDH12 3 8" N A N A SDH2 3 16" to 7 8" 1 16" 1 8" 12 SDH3 1 4" to 3