General-purpose use
Suitable for materials up to 1000N/mm2
Suitable for both hand and machine operations
Depths up to approx. 1 x d1

Specifications

Designation: N
Finish: Brt
Shank Form: A
Type: Straight Flute
Thread Form: MF
Lead: Bottoming
Material: HSS
Max Cut Depth: 1xD
x: als
Standard: ISO529
Nut Tolerance: ISO 2 / 6H
Size:

d1: M20
11: 112
l2: 37
d2: 14
sq: 11.2
l4: 14
z: 4

Drill Ø: 17.5
Pitch: 2.5