Metric Accuhold Extension Holder 20mm ID, 1.250in Shank, 6.0in OAL, 7/16-20 Screw

Metric End Mill Extension Holder with Inch Shank. Use this precsion end mill extension holder to convert your inch tool holder to be able to hold onto metric shanks. This is the tightest tolerance end mill extension used to reach into parts that need longer length. Precision end mills need precision holders to eliminate runout (TIR) and reduce tool breakage. Convert your inch tool holder to metric sizes.

PREVIEW AND DIAGRAM (ACH-M)

Specifications

Hole Dia 20 mm
Shank Dia 1.25″
Overall Len 6″
Screw Size 7/16-20

Tolerances

Shank Diameter−0.0025/−0.0076 mm
Hole Diameter+0/+0.0025 mm
Overall Length±.060 mm

Catalog

Catalog Page 107

Speed & Feeds

Other Tools in this Series

Tool # Hole Dia Shank Dia Overall Len Screw Size Pg. #
ACH-M33 mm0.375″3.25″6-32107
ACH-M44 mm0.5″3.5″8-32107
ACH-M55 mm0.5″3.5″10-32107
ACH-M66 mm0.625″4.25″10-32107
ACH-M77 mm0.625″4.25″10-32107
ACH-M88 mm0.75″4.5″1/4-28107
ACH-M99 mm0.75″4.5″5/16-24107
ACH-M1010 mm0.75″4.5″5/16-24107
ACH-M1111 mm0.75″4.5″5/16-24107
ACH-M1212 mm0.75″4.75″3/8-24107
ACH-M12-112 mm1″4.75″3/8-24107
ACH-M1313 mm1″4.75″3/8-24107
ACH-M1414 mm1″5.5″3/8-24107
ACH-M1515 mm1″5.5″3/8-24107
ACH-M1616 mm1″5.5″3/8-24107
ACH-M1818 mm1″5.25″7/16-20107
ACH-M20-120 mm1″6″7/16-20107
ACH-M2525 mm1″6.5″7/16-20107
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SPEEDS & FEEDS