HSS-Co 5% 3 Flute Threaded Shank Long Series Slot Drills - Inch

Long Series Type 5331T.
Bright finish. Flute type: 30° helix. Manufactured to BS 122: Part 4: 1980.

INCH TOLERANCES:
Diameter: up to 1". Tolerance: +0.0025, -0.0005.
Diameter: Over 1". Tolerance: +0.0050, -0.0000.