CAT 40 End Mill Holders Extended Length CAT40 End Mill Holders: Extended Length:40E-.25-4.72 Retention knobs are available for

Retention knobs are available for purchase separately

Collet chuck adapters require a retention knob fitted to your machine specifications

Most collet sets are available for same day shipment

Retention knobs sold separately

Our ER25 rigid tap collets are for use with tap sizes ranging from #0 to ⁵⁄₈”

CAT 40 End Mill Holders Extended Length CAT40 End Mill Holders: Extended Length:40E-.25-4.72 Retention knobs are available forWith a wide range of projections available from stub length to extended length, you are sure to find the right tool holder for your application. Fitz Rite end mill holders are precision ground to exceed industry standards. Tapers are held to AT3 and bores are concentric to the taper within . 0002". Fitz Rite's internal standards ensure superior spindle contact, enhanced ability to hold tight limits and the best wear and corrosion resistance on the