Microbore Tooling Systems

Fine Boring Systems & Deep Hole Drilling


Home » Shop » M100BS090V-100 – Microbore ISO 75° Stellram Indexable Cartridge Unit – Complete Unit

M100BS090V-100 – Microbore ISO 75° Stellram Indexable Cartridge Unit – Complete Unit


Microbore ISO 75° Stellram Indexable Cartridge Unit M100BS090V-100


Microbore UnitInsertDimension L in mmDimension M in mmDimension R in mmDimension S in mmDimension T in mmDimension H in mm
M020BS090V-50EP_ _0402_ _21.126.05.611.07.51.1
M030BS090V-50EP_ _0602_ _26.733.36.313.59.41.6
M050BS090V-50EP_ _08M3_ _38.447.
M070BS090V-100EC_ _1204_ _53.665.811.725.419.83.2
M100BS090V-100EC_ _1204_ _71.185.917.531.825.44.8

Complete Unit – Including Cartridge, Dial, Lockscrew & Spring Washers

Right-handed version


For Use with:

  • Boring Bar:


  • Insert:  EP_ _1204_ _


Price on Application – Please email (sales@microbore.co.uk) or call the office (0044(0)24 76 373355) for details.


Left-handed version available on request  – contact us


*Generally Ex-Stock but allow 1-2 weeks


Spares List

Square Mounted Headed Unit Spares

DialDial WrenchLock ScrewAllen KeyWasherSpring WasherInsert ScrewInsert Key
Microbore UnitDialDial WrenchLockscrewLockscrew WrenchWasherTop Adjust SpringInsert ScrewInsert Key
Square Mounted Headed Unit SparesM100BS090V-1001076010330AMS115M10 (8.0mm AF)1030610243D5013T20

To order Cartridge only, remove the Dial ref. from Unit part no. (remove -40, -50, -50, -50GA, -80, -100 or -100GA)



All units are supplied complete as shown including an insert key, but less inserts.

Replacement cartridges are supplied with insert screw, but less inserts.

To improve rigidity when cut depth exceeds 0.5mm, it is recommended that the top adjustment springs be removed. See Standard Boring Bar Range Catalogue page 21 for setting information.


L (mm)


M (mm)


R (mm)


S (mm)


T (mm)


H (mm)



There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

    Your Basket
    Your basket is emptyReturn to Shop