Tooling

The 4375 General Purpose Keyseat Cutter is available with 8 to 16 flutes in a wide selection of standard sizes. Special face widths are also available through Fullerton’s 24-hour JIT service. The 4375 features a ½″-diameter steel shank and is stocked uncoated.

Key Features

Standard Rake reduces side load on the tool reducing deflection.

Standard Dish ensures that a flat surface is made by the cutter.

Medium Pitch creates stronger tooth profile in saw applications for ferrous materials.

The Keyseat Cutter Lineup/ 72 tools

Varies by SizePick any size in range

Cutting Diameter

0.3750"TO1.5000"

Neck Diameter

0.2030"TO0.3750"

Overall Length

2.0312"TO2.3750"

Face Width

0.0312"TO0.3750"

Number of Flutes

8TO16

Consistent Across the SeriesSame on every tool

GradeGeneral Purpose

Spiral DirectionRight Hand Spiral

Shank Tolerance+.0000"/-.0005"

Cutting Tolerance3/8-3/4" DIA: +.010"-+0.015", 7/8-1-1/2" DIA: +.012"-+.017"

Shank Diameter0.5000

CoatingUncoated

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Resources

Access the information you need to put the Keyseat Cutter to work.

PDF · Speeds & Feeds

Frequently Asked Questions

The 4375 General Purpose is available in flute counts ranging from 8 to 16.

The 4375 General Purpose holds a shank tolerance of +.0000"/-.0005" | +0.000mm/-0.013mm and a cutter tolerance of 3/8-3/4" DIA: +.010"-+0.015", 7/8-1-1/2" DIA: +.012"-+.017".