Convex down-the-hole bits for the IR 3.5 shank. Diameters from 3-3/8 in (85 mm) to 4-1/8 in (105 mm). Conical, hemispherical or semi-ballistic carbide.
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Diameter
3-3/8 in (85 mm)
Face
Convex
Carbide
Conical
Button layout
gauge 8 × 7/16 in, front 6 × 7/16 in
Shank
IR 3.5
OEM catalogue number
A45134
Shipping estimate
Used with
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