Allied Machine 11821210 Indexable Drill Insert CTPP430

Product Description

The ALLIED MACHINE AND ENGINEERING 11821210 is a solid carbide indexable drill insert designed for use in indexable drilling systems. Built to the XCNT insert style with a CTPP430 manufacturer grade, this insert features an 88-degree included angle and a square shape with an EN chipbreaker geometry. The inscribed circle measures 0.1340 inches and the corner radius is 0.0160 inches. Neutral cutting direction makes it suitable for a wide range of drilling operations. Thickness is 0.1560 inches and width is 0.3540 inches. Manufactured to ISO 9001:2015 standards, this insert is sized at 09T304 and belongs to the EC 18 series.

This insert is rated for universal primary workpiece material compatibility, covering material codes K, M, N, P, and S — spanning cast iron, stainless steel, non-ferrous alloys, steel, and heat-resistant superalloys. It is suited for production drilling environments in both job shop and manufacturing settings where indexable tooling systems are preferred over brazed or solid-body drills. Machinists and tooling technicians working with Allied Machine EC 18 series drill bodies will find this insert a direct fit for maintaining consistent hole quality and cycle times.

Key Features

• Solid carbide construction for wear resistance and edge retention under high-speed drilling conditions
• CTPP430 grade for broad material compatibility across steel, cast iron, non-ferrous, and superalloy workpieces
• EN chipbreaker geometry promotes effective chip evacuation in through and blind-hole drilling
• 88-degree included angle square insert shape (insert size 09T304) for accurate sizing in EC 18 series drill bodies
• Neutral cutting direction accommodates standard right-hand drill body setups
• ISO 9001:2015 manufactured for consistent dimensional tolerances across production runs

Compatibility

Designed for use in ALLIED MACHINE AND ENGINEERING EC 18 series indexable drill bodies accepting XCNT09 style inserts. Primary workpiece material codes: K, M, N, P, and S.

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Power down and lock out the machine spindle before seating or replacing inserts. Use the correct torx or hex key specified by the drill body manufacturer to secure the insert clamp screw — do not overtighten, as this can crack the carbide. Inspect the insert pocket and clamping seat for chips or debris before seating a new insert.