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Brunner & Lay T51 button bit, flat face, 8 gauge + 6 mid buttons, 2 front flushing holes (render)
  • Brunner & Lay T51 button bit, flat face, 8 gauge + 6 mid buttons, 2 front flushing holes (render)
  • Brunner & Lay T51 button bit, flat face, 8 gauge + 6 mid buttons, 2 front flushing holes (render)

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Brunner & Lay T51 Flat Face Bits

Brunner & Lay · Top hammer bits

Brunner & Lay T51 Flat Face Bits

Part no.
S3551F4

Flat face bits for T51 drill strings. A flat face suits hard and abrasive rock. Diameter 3-1/2 in (89 mm). Hemispherical carbide.
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Dimension drawing: Brunner & Lay T51 Flat Face Bits Thread T51 (female). Diameter 3-1/2 in (89 mm). Ø 3-1/2 in (89 mm) T51
ThreadT51
Diameter3-1/2 in (89 mm)
FaceFlat face
CarbideHemispherical
Button layoutgauge 8 × 1/2 in, mid 6 × 7/16 in
Flushing holes2 × 1/2 in front, 2 × 3/8 in side
Weight10.6 lb (10.58 lb)

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