D208 4" Geological Boring Duro Bore Head with 2 3/8" API Reg Pin

Description

Duro Bore
all soils bit
Designed for adverse geologies: cobbles, fractured shales,
cobbles, caliche and compacted soils
11-18 degree steering angles.
Designed for long life in production drilling applicati
on.
Replaceable fluid nozzles.
Heat treated tool steel body -
Resists abrasion!
Solid tungsten carbide cutting edges.
Available in 4", 5", 6" & 8" diameters.
D208 4" Geological Boring Duro Bore Head
12 Degree flat for steering
2 3/8" API Reg Pin
"
When the others can't make the cut!"