Drop centre retrac bits for XT51 drill strings. A drop centre drills straighter holes in medium to hard rock. Retrac skirts help in broken ground, keep holes straighter and make the bit easier to retrieve. Diameter 3-1/2 in (89 mm). Hemispherical, semi-ballistic or conical carbide.
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Thread
XT51
Diameter
3-1/2 in (89 mm)
Face
Drop centre, retrac
Carbide
Hemispherical
Button layout
gauge 8 × 7/16 in, front 4 × 7/16 in
OEM catalogue number
A44214
Shipping estimate
Used with
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