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Brunner & Lay R32 button bit, hole opener, 8 gauge + 6 mid + 1 centre buttons, 3 front flushing holes (render)
  • Brunner & Lay R32 button bit, hole opener, 8 gauge + 6 mid + 1 centre buttons, 3 front flushing holes (render)
  • Brunner & Lay R32 button bit, hole opener, 8 gauge + 6 mid + 1 centre buttons, 3 front flushing holes (render)

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Brunner & Lay R32 Hole Openers

Brunner & Lay · Top hammer bits

Brunner & Lay R32 Hole Openers

Part no.
S3512G0

Hole openers for R32 drill strings. Diameter 3-1/2 in (89 mm).
Available to order
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Dimension drawing: Brunner & Lay R32 Hole Openers Thread R32 (female). Diameter 3-1/2 in (89 mm). Ø 3-1/2 in (89 mm) R32
ThreadR32
Diameter3-1/2 in (89 mm)
FaceHole opener
Button layoutgauge 8 × 1/2 in, mid 6 × 1/2 in, centre 1 × 1/2 in
Flushing holes1 × 1/4 in front, 2 × 1/4 in side
Weight5.7 lb (5.73 lb)

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