Sherwood: 20.00MM HSS-Co 5% 2 Flute Theaded Shank Long Seies Slot Dills Long Series Type S231T - Metric Bright finish. Flute type: 30 helix. Manufactured to BS 122: Part 4: 1980. Metric Tolerances Diameter: ~ up to 3.00. Tolerance: +0.013 -0.033 Diameter: Over 3.00 ~ up to 6.00. Tolerance:+ 0.020 -0.038 Diameter: Over 6.00 ~ up to 10.00. Tolerance: +0.025 -0.046 Diameter: Over 10.00 ~ up to 18.00. Tolerance: +0.033 -0.058 Diameter: Over 18.00 ~ up to 30.00. Tolerance: +0.041 -0.071 Diameter: Over 30.00 ~ . Tolerance: + 0.051 -0.089 MPN: E2643200 EAN: 5036140276307 20.00MM HSS-Co 5% 2 Flute Theaded Shank Long Seies Slot Dills Attributes: Cutter Diameter: 20.00mm Cutter Diameter Tolerance: e8 Cutting Direction: Right Hand End Mill Type: Slot Drill Finish/Coating: Bright Flute Length: 38.00mm Flute Type: Helical Helix Angle: 30° Length Type: Long Material: Cobalt High Speed Steel Material Grade: M35 Number of Flutes: 2 Overall Length: 120.50mm Plunge Type: Centre Cutting Series: S231T