Allied Machine 24020S-125L Indexable Spade Drill 12 in

Product Description

The ALLIED MACHINE AND ENGINEERING 24020S-125L is an indexable spade drill body designed for through-coolant deep-hole drilling operations in machining environments. Part of the T-A 2 series, it accepts interchangeable spade drill inserts and supports drilling diameters from 31/32 inch to 1-3/8 inches with a maximum drill depth of 7-3/8 inches. The 1-1/4 inch flatted cylindrical shank provides a positive, non-slip interface in standard drill chucks and holders. At 12 inches overall length and 2.48 pounds, this is a general-purpose tool body suited for production and job-shop drilling across a wide range of workpiece materials.

The 24020S-125L is built for use on CNC machining centers, lathes with live tooling, and manual machine tools where standard-length spade drill tooling is required. The straight flute geometry and through-coolant delivery via axial concentric and radial ports make it well suited for drilling steel, cast iron, aluminum, non-ferrous metals, and high-temp alloys. It is classified as a general-purpose tool compatible with universal workpiece material groups H, K, M, N, P, and S, covering most common production materials encountered in metal fabrication and machining shops.

Key Features

• Drilling diameter range: 31/32 inch to 1-3/8 inches
• Maximum drill depth: 7-3/8 inches for deep-hole applications
• Through-coolant capable with axial concentric and radial coolant entry (1/8 inch NPT coolant hole thread)
• 1-1/4 inch flatted cylindrical shank for positive drive and reduced slip
• Straight flute design for efficient chip evacuation
• T-A 2 series body accepts standard T-A spade drill inserts for cost-effective blade replacement

Compatibility

Designed for use with compatible T-A 2 series spade drill inserts covering workpiece material groups H, K, M, N, P, and S as specified by the manufacturer. Verify insert selection against the Allied Machine T-A 2 series catalog for your specific diameter and material combination.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the machine powered down and in a locked-out, tagged-out state per applicable OSHA lockout/tagout procedures. Ensure the flatted shank is properly engaged with the set screw in the drill holder to prevent rotation under cutting load. Verify coolant line connections match the 1/8 inch NPT thread before pressurizing the coolant system. Do not exceed the drill body rated diameter range when selecting spade inserts.