in both "Step" and "Chevron" configurations.
Manufactured with high quality alloy steel, the blades are reinforced
with tungsten carbide inserts.
These bits perform best in softer, unconsolidated formations (limestone
sandstone - marl).
Widely used in mining, construction, exploration and water well
Used in a variety of formations and drilling applications, the replaceable
blade feature allows flexibility in blade selection and easy replacement.
Available in sizes from 3-7/8" Chevron & Step through 5-5/8"
Chevron and 6-1/4" Step. The total unit consists of a set of
blades, head & bowl, and adaptor sub in a variety of pin sizes
These drag bits are meant for jobs of opening Jet Gruoting columns when cement
is injected with pressures from 100-600 bars.
injectors can have several sizes as 45° for horizontal jet(tunnels)m or 90° for vertical
or sloping jet.
Lost in the hole drag bits are meant for special jobs when the drag bit is welded
or screwed in a tube of the same diameter and the drilling rig drills up to the
When the job ends the drag bit and the tubes remain in the hole.
A bladebit reinforced
synthetic polycrystalline diamondforsoft/medium