X-design heavy duty bits for R38 drill strings. X-design carbide blades suit very abrasive or very soft rock. Diameters from 2-3/4 in (70 mm) to 4 in (102 mm).
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Thread
R38
Diameter
2-3/4 in (70 mm)
Face
X-design, heavy duty
Button layout
insert 12.7 × 25 mm
OEM catalogue number
A49621
Shipping estimate
Used with
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