X-design heavy duty bits for T51 drill strings. X-design carbide blades suit very abrasive or very soft rock. Diameters from 3-1/2 in (89 mm) to 4-1/2 in (115 mm).
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Thread
T51
Diameter
3-1/2 in (89 mm)
Face
X-design, heavy duty
Button layout
insert 12.7 × 25 mm
OEM catalogue number
A49636
Shipping estimate
Used with
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