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 DIN 371 standard with 4.5mm shank and 3.4mm 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

Product Feature

Bright (uncoated)

Thread Form, Metric Coarse

DIN 371 – Thread Form Standard

DIN Thread Pitch Diameter Tolerance Zone (high basic pitch diameter)

Blind Hole Application

2.5×D Usable Tool Depth to Diameter Ratio

High Speed Cobalt Powder Metal Tool Material

Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

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