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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
our end mill holders are designed with the user in mind
collet chuck extensions
They are designed with a square drive in the collet
Each ER25 straight shank collet chuck extension comes with an ER25 collet nut
or damage to your machine spindle or tool holder
ER20 Standard Collets ER20 Collets:ER20-0125 our end mill holders areOur ER20 collets have a capacity ranging from . 0625 . 5000 inches or in metric sizes from 2mm up to 13mm. The number shown on the collet is the largest size that particular collet can hold, but it can be tightened to a smaller size. Purchase separately or in a set for a discounted price. Most sizes and sets are available for same day shipment.