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The SECO 00089633 is an insert key designed for indexable tooling systems in the Minimaster series. It uses a key drive mechanism to secure cutting inserts in place during machining operations, ensuring accurate seating and repeatable positioning. Weighing just 0.02 pounds, this small but critical component is compatible with insert screws and is used by machinists and tooling technicians working with indexable end mills, center drills, plunge mills, and slot milling cutters. Proper insert retention directly affects surface finish, tool life, and dimensional accuracy, making the correct key essential for safe and efficient operation.
This insert key is suited for CNC machining environments where Minimaster series tooling is in use. Applicable operations include center drilling, plunge milling, slot milling, and square shoulder milling. It is sold individually and is intended as a replacement or spare for shops running Minimaster indexable tool bodies that require key-drive insert installation and removal.
Compatible with the following Minimaster series inserts and tool bodies: MM06 -0.236-C90-M02, MM06 -0.236-M02, MM06 -0.236-R040-PL-MD02, MM08 -08.40-HF-MD06, and MM10 -10007-M03. Also compatible with insert screws used in Minimaster series indexable tooling.
Installation is performed by qualified machinists or tooling technicians familiar with indexable cutting tool systems. Always power down and lock out the machine spindle before changing or seating inserts. Use the key only as intended for driving insert screws — applying excessive force or using an improper key can damage the insert pocket or screw drive. Follow the tool manufacturer's recommended torque procedure for insert screw tightening.
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