Flat face retrac bits for T51 drill strings. A flat face suits hard and abrasive rock. Retrac skirts help in broken ground, keep holes straighter and make the bit easier to retrieve. Diameters from 3-1/4 in (82 mm) to 5-1/2 in (140 mm). Semi-ballistic, conical or hemispherical carbide.
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Thread
T51
Diameter
3-1/4 in (82 mm)
Face
Flat face, retrac
Carbide
Semi-ballistic
Button layout
gauge 8 × 1/2 in, front 6 × 7/16 in
Flushing holes
3 front
OEM catalogue number
A44386
Shipping estimate
Used with
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