Allied Machine 22040S-150L Indexable Spade Drill

Product Description

The ALLIED MACHINE AND ENGINEERING 22040S-150L is an indexable spade drill designed for through-coolant hole-making operations across a broad range of workpiece materials. It accepts spade blade inserts to cover a drilling diameter range of 1-29/32 inches to 2-9/16 inches, with a maximum drill depth of 5-1/8 inches. The straight-flute body measures 6-1/2 inches in body length with a 10-1/2 inches overall length. The flatted cylindrical shank is 1-1/2 inches in diameter and 4 inches long. Coolant is delivered axially concentric and radially through the body, reducing heat and improving chip evacuation on deep-bore applications. This holder is part of the T-A 4 series and is intended for use by machinists and toolroom professionals in production and job-shop environments.

This spade drill holder is rated for general-purpose drilling across universal primary workpiece materials including steel, cast iron, non-ferrous alloys, and high-temperature alloys as indicated by material codes H, K, M, N, P, and S. Its short-length classification suits setups where machine spindle clearance is a priority and rigidity is needed for accurate entry. Through-coolant capability makes it well-suited for CNC machining centers and drill presses equipped with high-pressure coolant systems where chip control and tool life are critical production concerns.

Key Features

• Drilling diameter range: 1-29/32 inches to 2-9/16 inches
• Maximum drill depth of 5-1/8 inches with straight flute geometry for efficient chip flow
• Through-coolant design with axial concentric and radial coolant entry (1/4 inch NPT coolant hole thread)
• Flatted cylindrical shank, 1-1/2 inches diameter, for positive drive and runout control
• T-A 4 series short-length body improves rigidity in close-clearance setups
• Compatible with universal workpiece material range including ferrous, non-ferrous, and high-temp alloys

Compatibility

Designed as a T-A 4 series indexable spade drill holder accepting compatible T-A spade blade inserts for the applicable diameter range. Specific insert compatibility should be confirmed against the manufacturer's current T-A series blade selection guide.

Installation Notes

Installation and setup should be performed by qualified machinists familiar with indexable tooling systems. Ensure the machine spindle is fully de-energized and at zero RPM before mounting or removing the holder or blade inserts. Verify that the machine coolant pressure rating matches the tooling system requirements before engaging through-coolant flow. Confirm proper shank seating and drive flat engagement per the machine spindle interface specification before operation.