Description
Spiral flute tap with chamfer form C with a 2-3xP plug lead, for ISO-Metric thread M4 with 0.70 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 4.0mm shank and 3.15mm square drive, powder metallurgical HSS-E with TiN coating and 45° helix angle for 2.5xD blind hole threading in free machining, plain carbon and alloy steel, ferritic, martensitic and austenitic stainless steel and cast aluminium
