Flat face HI-duty bits for R38 drill strings. A flat face suits hard and abrasive rock. Diameters from 3 in (76 mm) to 4 in (102 mm). Hemispherical carbide.
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Thread
R38
Diameter
3 in (76 mm)
Face
Flat face, HI-duty
Carbide
Hemispherical
Button layout
gauge 8 × 7/16 in, mid 5 × 7/16 in
Flushing holes
2 × 3/8 in front, 2 × 3/8 in side
Weight
4.6 lb (4.63 lb)
Shipping estimate
Used with
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