90° Spot Drill Set

$62.80

This four-piece 90° Spot Drill Kit includes the most commonly used diameters for precision hole-starting applications:

1/8-inch spot drill
1/4-inch spot drill
3/8-inch spot drill
1/2-inch spot drill

Each drill features a 90° included point angle—ideal for accurately starting holes in a wide range of materials.

Why Use Spot Drills Instead of Center Drills?
Unlike center drills—designed for lathe centers with a 60° taper—spot drills are optimized for milling and drilling operations. Their short, rigid design and single-angle geometry provide superior accuracy and reduce deflection, ensuring that your twist drill starts exactly where it should.

A 90° spot drill is especially effective when used before a standard 118° or 135° twist drill, as it engages the material in a way that centers the larger drill precisely and prevents walking.

Ideal For:

Precision hole location
Pre-drilling hard or uneven surfaces
Applications where hole accuracy and finish are critical

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