GEOLOGICAL BORING L.L.C.


Duro Spade

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Replaceable fluid nozzles

Designed for adverse geologies: compacted soils,
glacial til, hard conglomerates and clays.

  18 degree steering angles.

  Replaceable fluid nozzles.

  Heat treated tool steel body - Resists abrasion!

  Solid tungsten carbide cutting edges.

  Available in 4.5", 5.5"& 6.5" diameters.

  Part Number   Diameter   Steering Flat   Threads
  D175   4.5"   18 Degrees   2-3/8 API Reg Pin
  D202   5.5"   20 Degrees   2-3/8 API Reg Pin
  D204   5.5"   20 Degrees   3-1/2 API Reg Pin
  D203   6.5"   20 Degrees   2-3/8 API Reg Pin
  D311   6.5"   20 Degrees   2-3/8 API Reg Pin
  D205   6.5"   20 Degrees   3-1/2 API Reg Pin

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Copyright 1999 Geological Boring L.L.C.  All rights reserved.
Revised: March 15, 1999.