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Quick Details

Overall Length: 63 mm
Thread Size: M4
Brand: Dormer
Thread Direction: Left Hand
Shank Diameter: 4.5 mm
Type: Straight Flute
Thread Standard: Metric
Class of Fit: 6H
Material: HSS-E
Hand/Machine Tap: Machine Tap
Shank Type: Plain
Pitch: 0.7mm

Specifications

Standard: DIN 371
Range of cobalt metric pitch left-hand threaded machine tap bits.
These tap bits have a short I/P of
2 threads.
The tap bit tolerance class is 6H, the cutting angle is 10° and the tap flutes are straight. The cut is left-handed, and the stem is reinforced.
These high-quality tap bits are ideal for tapping in blind or through-holes.