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The ALLIED MACHINE AND ENGINEERING 4C2YP-0012 is a solid carbide spade drill insert designed for high-performance hole-making in demanding machining applications. Built to the GEN2 T-A series standard, this insert features a 132-degree point angle and an AM300 PVD coating that extends tool life when cutting difficult materials. The seat size Y designation ensures correct fit within compatible T-A series spade drill holders. At 0.0938 inches thick and 3/8 inch in diameter, this insert is engineered for precision and consistency in production environments. It is installed by machinists and toolroom professionals working with CNC or manual drilling setups.
This insert is suited for drilling stainless steel, cast iron, non-ferrous metals, super-alloys, and titanium. The AM300 coating and C2 (K20) carbide grade make it a reliable choice for shops running interrupted cuts or high-speed operations in aerospace, automotive, and general manufacturing. The GEN2 T-A platform is a modular indexable drilling system, so this insert slots directly into a matching T-A series holder without requiring full tool replacement between jobs.
Designed for use with GEN2 T-A series spade drill holders requiring a seat size Y insert at 3/8 inch diameter. Suitable for primary workpiece materials coded M (stainless steel), K (cast iron), N (non-ferrous metal), and S (super-alloys and titanium).
Installation is performed by a qualified machinist or toolroom technician. Ensure the spindle is fully stopped and the machine is locked out before changing inserts. Seat the insert fully into the holder pocket and torque the clamping screw to the holder manufacturer specification. Inspect the seating surface and insert for chips or debris before securing to avoid misalignment during cutting.
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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