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Rigibore Fine Boring
Units and MBU's
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Rigibore's wide range of boring units for roughing, semi-finishing
and fine finishing is amongst the widest in the
marketplace. It is directly interchangable
with a number of other brands of boring unit such as
Microbore, Sandvik, Kennametal, Valenite and Stellram.
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Rigibore units offer a number of features and
benefits that entail superior rigidity and
repeatability of cut.
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Contact us for a quick quotation.
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Download Rigibore-Microbore conversion charts:
Imperial or
Metric |
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Standard 'R' unit
The standard unit, used for roughing and semi-finishing operations, is
mounted directly into a tool hole in the
bar or holder.
Each graduation on the adjusting dial =
0.01 mm / 0.0004 in. adjustment on
radius.
View mounting dimensions.
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Top
adjusting 'TR' unit
The top adjusting 'TR' unit, used for light roughing and fine
finishing operations, is mounted
directly into a tool hole in the bar or
holder.
Each graduation on the adjusting dial =
0.01 mm / 0.0004 in. adjustment on
radius.
View mounting dimensions.
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Top adjusting
'MBTR'/'SAB' unit
Only used for finishing operations, this
top adjusting unit is bush mounted, and
is designed to fit both new and existing
holes in bars or holders.
Each graduation on the adjusting dial =
0.01 mm / 0.0004 in. adjustment on
radius.
View mounting dimensions.
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Top adjusting 'MBU' unit
These fine boring units are designed for
building into boring bars which are
dedicated to (or about) a specific bore
size.
The units are pre-tensioned which
eliminates backlash and adjustment is
made from the front only.
Each graduation on the adjusting dial = 0.005 mm / 0.0002 in.
adjustment on radius. Each vernier graduation on the
bush = 0.001 mm / 0.00004 in. adjustment on radius.
View mounting dimensions.
Download Technical Data - CAD Drawings
for MBU's.
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