Accuhold End Mill Extension Holder 0.12500-in ID, 0.375-in OD, 3.25-in OAL (SQ6368389WT08)

$89.99 $149.99

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SKU: SQ6368389WT08

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This is the tightest tolerance 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.


Hole Dia:M: 0.125″

Shank Dia: 0.375″

Overall Len: 3.25″

Screw Size: 8-32


Shank Diameter: −.0001/−.0003″

Hole Diameter: +.000/+.0001″

Overall Length: ±.060″