5/16" diameter 2-flute Ball Nose Slot Drills / Mills HSS x 3/8" threaded shank x 1/2" cut length x 2-11/32" total length (Long Series Ball Nose Slot Drills / Mills also stocked - ask)
Used for milling ball-end slots with a radius bottom, die-sinking, fillets, rounding bottoms of holes, pattern-making etc Are end-cutting to centre the initial penetration and can be 'plunge' fed. Have 2-flutes, threaded-shank. Excellent quality British-made to BS122 part 4
Click on Ball Nose Slot Drill Inch to buy sizes from 1/16" to 1-1/2"
OR view CUTTERS - shank type for Endmills, Slot Drills, Ball Nose, T-Slot, Corner Rounding, Dovetail, Inverted Dovetail, Woodruff Keyseating
OR view CUTTERS - bore type for Cylindrical Mill, Involute Gear, Single Angle, Equal Double Angle, Convex, Concave, Side and Face Slot Cutters
- View what customers say about Us Satisfied customers include Rolls Royce, British Petroleum, Exxon Mobil Chemical, British Airways Avionics, Scottish Power Energy, etc