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The ALLIED MACHINE AND ENGINEERING OP-05T308-P is a solid carbide indexable drill insert designed for use in indexable drilling tooling systems. Featuring a WCMX05 insert style with an 80-degree trigon shape and AM300 manufacturer grade coating, this insert delivers consistent cutting performance across a broad range of workpiece materials. The inscribed circle measures 0.3126 inches (7.94 mm), the corner radius is 0.0315 inches (0.80 mm), and the insert thickness is 0.1563 inches. It is installed and replaced by machinists and toolroom technicians maintaining indexable drill bodies in CNC machining and production drilling operations.
This insert is suited for universal material applications, covering workpiece material codes H, K, M, N, P, and S. That range includes cast iron, non-ferrous metals, stainless steel, carbon steel, heat-resistant superalloys, and non-metallic materials. It fits drilling operations in job shop, production, and manufacturing environments where repeatable hole quality and quick insert changeout are required. The insert size code is 05, corresponding to insert size 05T308. Manufactured to ISO 9001:2015 standards.
Designed as an OEM-style replacement insert for indexable drill bodies accepting WCMX05-style inserts with insert size 05T308. Verify pocket geometry and clamping requirements against your drill body specifications before installation.
Indexable drill insert replacement is performed by a machinist or toolroom technician. Power down and lock out the machine spindle before accessing the drill body. Use the correct torque wrench and insert screw driver per the drill body manufacturer's documentation to seat and clamp the insert. Inspect the insert pocket for wear or debris before installing a new insert, and confirm insert orientation matches the pocket geometry to avoid premature edge failure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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