Available in Type 99 version with internal coolant and Type 79 version without coolant, Titex X•treme Step 90 features 4-margin design that is suited for entering in uneven surfaces up to 5°, uneven exits up to 45°, and cross holes. Intended for extra deep drilling, X•treme Pilot Step 90 for XD has 2-flute design, 2xDc pilot length for optimal alignment, diameter tolerance of p7, and TFT coating. Both feature countersink of 90°, which limits need for deburring and optimizes chamfering.
This story is related to the following:Chamfering Cutters | Solid Carbide Drills