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ZOBO Stair Stringer Boring Tool Set

GDP D10-40
Please call us at 1-800-350-8176 to order.

Everything you need to bore precise, clean drill holes for balusters and hand rails.

Also available as the drill gude alone, without the ZOBO drill bits.

In addition to the drill guide, this set includes your choice of metric or imperial ZOBO System 2 drill bits. Choose:

  • Metric: 18, 20, 22, 25, 30 mm. or
  • Imperial: 1/2", 5/8", 3/4", 7/8", 1-1/8"
In addition to the drill bits, the set includes:
  • Centering points:
    • 2x CP-WD 2.5 x3.5; 
    • 1x CP-WD 2.5 x7.5;
    • 1x CP-WD 2.5 x14.5;
  • 1 centering removal punch RT-WD
  • all shipped in a systainer
About this stair stringer drill guide:
  • High precision boring tool with guide bushing and polished extension. No other drill bushing required.  
  • Designed specifically for use with ZOBO System 2 drill bits.
  • Use drill bit sizes up to 1-1/8" or 30mm
  • Drill to exact depth with stepless end stop
  • Change drill bits easily with bayonet lock
  • Sets easily with built-in level
  • Cuts clean, will not tear wood
  • Delivered with clamp, extension Ø 9 mm, depth set stop, set block for angled frames, adapter plate, SW 8 and SW 12 wrenches, allen key


You can also purchase individual Zobo System 2 drill bits to work with this set.  Use: Metric from 10 -30 mmImperial from 3/8 to 1-1/8"

Be sure you have the necessary Zobo System 2 accessories: a long pilot bit and/or center point; 6" extension, 9 mm diameter; centering removal punch.

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