Allied Machine 152T-0104 Spade Drill Insert 1-1/8 in Cobalt Tin

Product Description

The ALLIED MACHINE AND ENGINEERING 152T-0104 is a cobalt spade drill insert designed for high-performance hole-making in demanding machining applications. Part of the T-A series, this insert measures 1-1/8 inches in diameter and features a 132-degree point angle optimized for drilling into hard and abrasive workpiece materials. The insert is manufactured from T15 cobalt high-speed steel and finished with a PVD-applied TiN (titanium nitride) coating that extends tool life by reducing friction and wear. At 0.1875 inches thick, it seats into a Size 2 T-A spade drill holder. This insert is installed by machinists and tooling specialists in production and job-shop environments.

The 152T-0104 is suited for drilling operations in steel, stainless steel, cast iron, superalloys, and titanium. Its cobalt substrate and TiN coating make it a practical choice when drilling ISO material groups P, M, K, and S. Typical applications include through-hole and blind-hole drilling on CNC machining centers, lathes with live tooling, and manual or CNC drill presses where spade drill tooling is the preferred method for larger diameter holes. It fits standard T-A series Size 2 spade drill holders.

Key Features

• 1-1/8 inch diameter, fractional inch sizing for direct compatibility with Size 2 T-A holders
• 132-degree point angle suited for harder workpiece materials including superalloys and titanium
• T15 cobalt high-speed steel substrate provides heat and wear resistance at elevated cutting speeds
• PVD TiN coating reduces friction, extends tool life, and improves chip evacuation
• Compatible with ISO material groups P (steel), M (stainless), K (cast iron), and S (superalloys and titanium)
• 0.1875 inch insert thickness for positive seating and repeatable positioning in the holder

Compatibility

Designed for use with T-A series Size 2 spade drill holders. Compatible with workpiece materials including steel, stainless steel, cast iron, superalloys, and titanium (ISO groups P, M, K, and S).

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Always power down and lock out the machine spindle before seating or removing the insert. Ensure the holder pocket and insert seat are clean and free of chips before securing the insert with the appropriate insert screw and torque driver. Follow the toolholder manufacturer guidelines for clamping procedure to avoid insert movement during the cut.