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Brunner & Lay B60 button bit, flat face, retrac, 8 gauge + 4 mid buttons, 2 front flushing holes (render)
  • Brunner & Lay B60 button bit, flat face, retrac, 8 gauge + 4 mid buttons, 2 front flushing holes (render)
  • Brunner & Lay B60 button bit, flat face, retrac, 8 gauge + 4 mid buttons, 2 front flushing holes (render)

3D render from OEM drawings, not a photograph.
Brunner & Lay B60 Flat Face Retrac Bits

Brunner & Lay · Top hammer bits

Brunner & Lay B60 Flat Face Retrac Bits

Part no.
S4060FWS

Flat face retrac bits for B60 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 4 in (102 mm) to 6 in (152 mm). Hemispherical carbide.
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Dimension drawing: Brunner & Lay B60 Flat Face Retrac Bits Thread B60 (female). Diameter 4 in (102 mm). Ø 4 in (102 mm) B60
ThreadB60
Diameter4 in (102 mm)
FaceFlat face, retrac
CarbideHemispherical

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