Structural Steel Drilling Product Catalog

DRILLING | Structural Steel Solutions | T-A® and GEN2 T-A® Replaceable Insert Drills

T-A® and GEN2 T-A® Structural Steel Drilling System

System Overview

GEN2 T-A Insert Available in AM300® and AM200® Coating

STRUCTURAL STEEL ENHANCEMENTS T-A ® GEN2 T-A ® &

A91

High Efficiency (-HE)

• Improves performance. • Improves tool life. • Improves chip formation in structural steel materials.

T-A Inserts Available in AM200® and TiAlN Coatings

Structural Steel (-SS) • Designed for drilling 11.5 mm (7/16") thick or thicker I-beam or structural materials. • Reduces exit burrs, increases stability, and lowers drilling forces. • Includes Notch Point® web geometry.

Thin Wall (-TW) • Designed for drilling 11.5 mm (7/16") thick or less I-beam or structural materials. • Increases hole diameter tolerance. • Improves hole roundness. • Decreases material deflection.

Notch Point® (-NP) • Provides excellent self-centering characteristics. • Reduces bellmouth and tool lead-off. • Reduces axial thrust requirements.

2

3

Holder Anatomy 1. Morse taper shank 2. Coolant inlet

1

3. Flute (straight or helical) 4. Built-up body diameter 5. Coolant outlets

4

5

Straight Flute

Helical Flute

A91: 5

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