HSS 2 Flute Threaded Shank Ball Nose Short Series Slot Drills - Inch

Short Series Type B210T.
Used for diesinking, slot milling and profile milling. Bright finish. Flute type: 30° helix.
Manufactured to BS 122 : Part 4 : 1980.

Inch Tolerances:
Diameter: up to 1/2". Tolerance: +0.0005, -0.0013.
Diameter: Over 1/2". Tolerance: +0.0005, -0.0015.