Drill + tap set Nr.304 ( 14 Pcs ) in standard plastic cassette to produce ISO- Metric threads from M3 up to M12, consisting of 7 HSS-E-PM flash chrome finished spiral flute tap E298 with chamfer form C with a 2-3xP plug lead, 7 HSS TiN-tip coated jobber length drills with straight shank A002 for the recommended pre-machined hole diameters for 2xD blind hole threading in free machining and plain carbon steel and copper or copper alloys
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