• Bosch SDH4
Benefits: SDH4 1/4 In. to 7/8 In. High-Speed Steel Step Drill Bit
  • Self-starting point starts on contact
  • Balance double flute eliminates chatter and vibration
  • Resharpenable cutting edge provides longer tool life
  • Three-flat shank for reduced slippage
  • For use with all common drilling needs
  • Drills clean, accurate holes in these thin materials (up to 1/8 In.): sheet metal, ducts, steel, copper, brass, aluminum, plastic, plexiglass, wood, veneers, vinyl siding, plasterboard, PVC, stainless steel and cast iron
Specifications: SDH4 1/4 In. to 7/8 In. High-Speed Steel Step Drill Bit
Diameter 1/4", 7/8", 1-1/8"
Increments N/A
Step Depth 5/32"
Number of Hole Sizes 3
Shank Diameter 0.375
Application For 1/2" and 3/4" conduit
Point Type Self-starting
*Note Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM
Notes For 1/2" and 3/4" conduit

Bosch SDH4

  • Product Code: Bosch SDH4
  • Availability: 100
  • $52.47