M.a. Ford. 92087502 Countersink 82 Degree 3 Flute Hss

Product Description

The M.A. FORD. 92087502 is a single-end, 3-flute countersink designed for chamfering, countersinking, and deburring operations in a wide range of materials. Built from high-speed steel with a bright uncoated finish, this tool features an 82-degree included angle and a straight-cylindrical 1/2-inch shank. The 7/8-inch head diameter and 0.260-inch tip diameter deliver controlled material removal in right-hand cutting applications. At 3 inches overall length, it fits standard drill press and hand-drill setups. No pilot is included, and the tool uses a single end configuration. It is suited for machine shops, fabrication environments, and maintenance trades requiring consistent, clean countersink profiles.

This countersink is used for preparing fastener seating holes in aluminum, brass, magnesium, magnesium alloy, high-nickel steel, Monel, and plastic. The 82-degree included angle matches the seating geometry required for flat-head fasteners common in aerospace and general fabrication assemblies. It is appropriate for both production and repair applications where a clean chamfer or deburr pass is needed before fastener installation.

Key Features

• 82-degree included angle with 41-degree centerline angle for precise flat-head fastener seating
• 3-flute design for smooth cutting action and reduced chatter
• High-speed steel construction for durability across a broad range of materials
• Bright uncoated finish suitable for use with cutting fluids on non-ferrous and plastic materials
• Straight-cylindrical 1/2-inch shank for compatibility with standard drill chucks and tool holders
• No pilot required, allowing flexible positioning on pre-drilled holes

Compatibility

Designed for use on aluminum, brass, magnesium, magnesium alloy, high-nickel steel, Monel, and plastic workpieces. Compatible with standard drill press, CNC, and hand-held drill setups accepting a 1/2-inch straight-cylindrical shank.

Installation Notes

This countersink is installed by machinists and fabricators using standard drill press or CNC equipment. Secure the 1/2-inch shank firmly in the chuck or collet before operation and verify the workpiece is clamped to prevent movement. Apply an appropriate cutting fluid when working with metals to extend tool life and improve surface finish. Inspect the cutting edges for wear before each use and replace the tool when the finish quality degrades.