Dormer EX10M24X1.5 5973670 Machine Tap Spiral Flute 45° 4FL M24 x 1.50 mm Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for ISO-Metric Fine thread M24 with 1.50 mm pitch and 6H class of fit, dimensions according to DIN 374 standard with 18.0mm shank and 14.5mm square drive, powder metallurgical HSS-E with bright finish and 45° helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.