Accuhold End Mill Extension Holder 0.12500-in ID, 0.375-in OD, 3.25-in OAL

This is the tightest tolerances end mill extension used to reach into parts that need longer length. Precision end mills need precision extension holders to eliminate runout (TIR) and reduce tool breakage.

PREVIEW AND DIAGRAM (ACH)

Specifications

Arbor Diameter
Hole Diameter 0.125″
Flange Diameter
Shank Diameter 0.375″
Overall Length 3.25″

Tolerances

Shank Diameter−.0001/−.0003″
Hole Diameter+.000/+.0001″
Overall Length±.060″

Catalog

Catalog Page 107

Other Tools in this Series

Arbor Diameter Cap Length Hole Diameter Flange Diameter Shank Diameter Overall Length Tool # Pg. #
0.1875″0.5″3.5″ACH-06107
0.25″0.625″4.25″ACH-08107
0.375″0.75″4.5″ACH-12107
0.5″0.75″4.75″ACH-16107
0.5″1″4.75″ACH-16L107
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SPEEDS & FEEDS