Plain Shank Spiral flute, 3 flute. Medium duty. Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Manufactured to manufacturers standard
Conical Shape. All sizes are nominal with a 6mm shank unless other wise stated.
Cut Numbers:
Cut 6 - Double Cut. Crosscut and double cut to improve control and chipbreaks. Manufactured from high grade tungsten carbide for general-purpose use.
Cut 9 - Chipbreaker Chipbreaker fast stock removal for improved control and reduced chips for use on hard materials, i.e. steel alloy 50RC, 60RC, carbon and cast iron.
Suitable for deburring and polishing of cast iron, cast steel, carbon steel, alloy steel and stainless steel etc. up to HRC65 hardness.
Please note: • Work piece and tools should always be steady and well supported. • Carbide burrs are not suitable for 'milling' large amounts of material, they are for light stock removal and high revolutions 'LOW FEED - HIGH SPEED'. • Always ensure that at least 70% of the shank length is clamped by the collet or chuck of the tool being used. • Always ensure that the tool is rated to the recommended operating speed of the burr.
Recommended for simple, low cost removal of broken screws and bolts, these 4 and 6 piece sets from Kennedy are the ideal way to extract screws. designed to remove broken screws without damaging the threads of the component, each set has varying sizes to ensure you find the right size based on your needs.
Features and Benefits • Available as a 4 or 6 piece set to sllow you to select the product most relevant to your needs • An economic, easy way to replace broken screws without damaging the component • Packaging has easy read labeling to inform you of the recommended drill size to fit the extractor best • Sizes compatible with drills are as follows (in), no.1 - 5/64, no.2 - 7/64, no.3 - 5/32, no.4 - 1/4, no.5 - 19/64, no.6 - 13/32
Contents • 4 Piece Set Sizes: No. 2, 3, 4 and 5 • 6 Piece Set Sizes: No. 1, 2, 3, 4, 5 and 6
Typical Applications • Ideal for removing broken or damaged screws from materials without damaging the thread