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Rockmore R28 button bit, B2 design, 5 gauge + 2 front buttons, 1 front flushing hole (render)
  • Rockmore R28 button bit, B2 design, 5 gauge + 2 front buttons, 1 front flushing hole (render)
  • Rockmore R28 button bit, B2 design, 5 gauge + 2 front buttons, 1 front flushing hole (render)

3D render from OEM drawings, not a photograph.
Rockmore R28 B2 Design Bits

Rockmore · Top hammer bits

Rockmore R28 B2 Design Bits

Part no.
R28-36B2-216

B2 design bits for R28 drill strings. Diameters from 1-13/32 in (36 mm) to 1-7/8 in (48 mm). Hemispherical or semi-ballistic carbide.
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Dimension drawing: Rockmore R28 B2 Design Bits Thread R28 (female). Diameter 1-13/32 in (36 mm). Ø 1-13/32 in (36 mm) R28
ThreadR28
Diameter1-13/32 in (36 mm)
FaceB2 design
CarbideHemispherical
Button layoutgauge 5 × 5/16 in, front 2 × 9/32 in
Flushing holes1 front
OEM catalogue numberA44792

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