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Metrology » Bore Gages » Vernier Bore Gages Fowler

Fowler Bowers 3.250" - 4" Xt-Series Holemike 52-255-320-0

The Fowler-Bowers range of mechanical two and three point bore micrometers are now available as XT extended travel holemikes, allowing a wide measurement range without the need to interchange anvils.


• Graduations 0.00025"

• 3-pt contact with tungsten carbide measuring anvils above .5"

• Blind bore measuring above .5"

• Ratchet stop for consistent measuring

• Non-removable anvils

• Extensions available for deep measuring

• Setting rings included in all sets

• Includes UKAS certificates for all Holemikes and setting rings

• Every gage is individually serialized

*Image shown for representational purposes only

Range:  3.250″ - 4″
Graduation:  0.00025″
Accuracy:  0.0002″
Measuring Depth:  3.94″
Ring Included:  3.25″

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