Allied Machine 1C52A-0031 Spade Drill Insert 31/32 in Carbide

Product Description

The ALLIED MACHINE AND ENGINEERING 1C52A-0031 is a solid carbide spade drill insert designed for high-performance hole-making in steel and hard materials. Measuring 31/32 inch in diameter with a 132-degree point angle, this insert features a TiAlN (titanium aluminum nitride) PVD coating that extends tool life and supports higher cutting speeds in demanding applications. At 0.1875 inches thick, it is built to the T-A Series seat size 2 standard and carries a C5 (P40) material grade rating, making it suitable for heavy interrupted cuts and general steel drilling operations. It is installed by machinists and toolroom technicians in production and job-shop environments.

This insert is intended for use in T-A Series spade drill holders with a seat size 2 designation. Typical applications include through-hole and blind-hole drilling in steel and hard workpiece materials across CNC machining centers, lathes, and drill presses. The TiAlN coating provides thermal resistance at elevated cutting temperatures, making it well suited for dry or minimum-quantity lubrication (MQL) machining setups where heat management is critical.

Key Features

• Solid carbide construction at C5 (P40) grade for strength and wear resistance in steel and hard materials
• TiAlN PVD coating for extended tool life and elevated-temperature performance
• 132-degree point angle optimized for controlled entry and reduced thrust force
• T-A Series seat size 2 interface for quick, repeatable insert indexing
• 0.1875 inch insert thickness providing rigidity during aggressive feed rates
• Compatible with both wet and dry cutting environments due to coating thermal stability

Compatibility

Designed for use with T-A Series spade drill holders requiring a seat size 2 insert. Intended for primary workpiece materials classified as steel (P) and hard materials (H) per ISO material group designations.

Installation Notes

Installation and indexing of spade drill inserts should be performed by a qualified machinist with the machine fully powered down and locked out per LOTO procedures. Use the manufacturer-specified insert screw and torque driver to seat the insert firmly in the holder pocket without over-torquing. Inspect the holder pocket for chips, wear, or deformation before each insert change. Do not use a damaged or worn holder, as improper seating will reduce insert life and compromise hole quality.