Allied Machine TAX3-44.45 Spade Drill Insert 1-3/4 in Hss

Product Description

The ALLIED MACHINE AND ENGINEERING TAX3-44.45 is a spade drill insert engineered for high-production drilling applications in steel, cast iron, and non-ferrous metals. Part of the T-A Pro series, this insert measures 1-3/4 inches in diameter and features a 132-degree point angle optimized for controlled entry and chip formation. The insert is manufactured from high speed steel (HSS) and carries an AM200 PVD coating, which improves surface hardness and wear resistance under demanding cutting conditions. At 0.25 inches thick, it is designed to seat securely in Seat Size 3 T-A Pro holders for rigid, repeatable performance.

This insert is suited for drilling operations in general machining environments, including job shops and production facilities working with steel and cast iron components. The T-A Pro series is widely used in CNC machining centers and drill presses where consistent hole quality and insert changeability are priorities. The 132-degree point angle makes it appropriate for flat-bottom entry and through-hole applications in medium to hard workpiece materials. Machinists and tooling specialists handling ferrous and non-ferrous stock will find this insert a direct fit for standard T-A Pro Seat Size 3 toolholders.

Key Features

• 1-3/4 inch diameter with 132-degree point angle for controlled chip formation and stable entry
• High speed steel construction provides toughness in interrupted cuts and variable-hardness materials
• AM200 PVD coating enhances wear resistance and extends tool life in steel and cast iron
• Seat Size 3 designation ensures compatibility with corresponding T-A Pro series holders
• 0.25 inch insert thickness for rigid seating and consistent depth repeatability
• Fractional inch sizing system for straightforward selection and replacement

Compatibility

Designed for use with T-A Pro series Seat Size 3 spade drill holders. Primary workpiece materials are steel, cast iron, and non-ferrous metals (Material Codes P, K, N).

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Ensure the machine spindle is fully stopped and the toolholder is removed from the machine before changing inserts. Seat the insert fully and verify torque on the clamping screw per the toolholder manufacturer's guidelines before resuming cutting. Inspect the seat pocket for chips or debris before seating a new insert to prevent rocking or premature wear.