CAT 40 End Mill Holders Standard Length Standard:40E-.56-3 These shell mill holders are

These shell mill holders are produced to the AT3 standard

this product can also accept NMTB 40 or BT 40 tooling

hardened alloy steels

7500 inches or in metric sizes from 3mm up to 20mm

CAT 40 End Mill Holders Standard Length Standard:40E-.56-3 These shell mill holders areWith 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