SOLD BY RDGTOOLS. HSS COUNTERSINK. SHANK SIZES 90 DEGREE ANGLE. HIGH SPEED STEEL. GIVES VERY SMOOTH FINISH. 12.4MM HEAD / 8MM. 4.3MM HEAD.
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Material HSS. 1 set of 5 HSS Center Drills. Each drill has a double end and is ground with a standard 60 degree included angle. Standard 60 degree included angle. Color :Silver Tone.
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Durable 5PCS Chamfer Countersink Deburring Drill Bit HSS Cutting Metal Tools.
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Presto 6 Pcs 90° HSS SS Countersink set. Universal tool for deburring and countersinking. Used to produce countersinks for screws and a chamfer for tapping.
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I’ve never tried this tool out . it is tool steel and is hard It looks possibly shop made it’s had some use and may benefit from a sharpen up to get the smaller Dias the beauty of this is it will chuck in a normal drill chuck 7 flutes and 75mm long 2 and a quarter inch dia at largest size Smaller dia is 13.4mm
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3 Flute design: these 90 degree high speed steel deburring tools ensure smooth chip flow, faster cutting and reduced chatter. Material: High Speed Steel HSS. Shank type: round.
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Centre and spotting drills are traditionally used to make a conical hole for a lathe centre in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
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