Rigibore Fine Boring Units and MBU's



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.

Rigibore units offer a number of features and benefits that entail superior rigidity and repeatability of cut.

Contact us for a quick quotation.

Download Rigibore-Microbore conversion charts: Imperial or Metric

Rigibore R Unit Link

Rigibore TR Unit Link

   

Rigibore MBTR/SAB Unit

Rigibore MBU Unit

  Rigibore R Unit   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.
 
         
  Rigibore TR Unit   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.
 
         
  Rigibore MBTR/SAB Unit   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.
 
         
  Rigibore MBU Unit   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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