Sherwood: 7.00MM HSS-Co 5% 2 Flute Threaded Shank Short Series Slot Drill Short Series - 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.…View more