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Bosch Tools

Bosch Tools 9/16"- 1" High-Speed Steel Step Drill Bit - SDH7

Abt Model: SDH7 | UPC Code: 000346333916
 Discontinued Product This item is no longer available from our website.
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Bosch Tools - SDH7 - Metal Drilling
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Self-Starting Point Starts On Contact/ Balance Double Flute Eliminates Chatter And Vibration/ Three-Flat Shank For Reduced Slippage/ Drills Clean/ 8 Hole Sizes/ Requires 1/2 " or Larger Pilot
Discontinued (details)
Estimation zip code - 20147 edit
MethodEstimated DeliveryCost
Ground ShippingTo be determined$8.82
Three DayTo be determined$11.42
Second DayTo be determined$11.91
Next Day AirTo be determined$18.02

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Product Details

Bosch Tools 9/16"- 1" High-Speed Steel Step Drill Bit - SDH7

The Bosch line of step drills offers 13 different hole sizes with a single bit. The step drill bits are ideal for electrical, plumbing and HVAC contractors. Typical step drill bit applications include electrical knockouts, running conduit, drawbolt holes, faucet installations, auto body work, running freon lines, edge boring steel and hollow doors.


  • 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

Approximate Dimensions:

  • Diameter: 9/16" to 1"
  • Increments: 1/16"
  • Step Depth: 1/8"
  • Number of Hole Sizes: 8
  • Shank Diameter: 3/8"
  • Application: Companion bit to SDH1 for diameter range 1/8" to 1" (requires 1/2" pilot hole)
  • Point Type: For hole enlarging
  • *Notes:
    • Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM
    • Companion to SDH1 for diameter range 1/8" to 1"
    • requires 1/2" or larger pilot

Approximate Weight:

  • Shipping 1 lb
More reasons to buy the Bosch Tools SDH7 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Bosch Tools SDH7 is Brand New.
  • The Bosch Tools SDH7 Ships in a Factory Sealed Box.
TypeHigh-Speed Steel Step Drill Bit
Bosch Tools 9/16"- 1" High-Speed Steel Step Drill Bit

Bosch Tools 9/16"- 1" High-Speed Steel Step Drill Bit


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