ISO 4027

Similar DIN 914

Hexagon socket set screws with cone point

Screws only for pressure load, hardness class 45H

tech-iso4027




Thread Size
d		 M1.6 M2 M2.5 M3
P Pitch 0.35 0.4 0.45 0.5
dt max 0.4 0.5 0.65 0.75
e min 0.809 1.011 1.454 1.733
s Nominal Size 0.7 0.9 1.3 1.5
max 0.724 0.913 1.3 1.58
min 0.71 0.887 1.275 1.52
t min Short screw 0.7 0.8 1.2 1.2
Long screw 1.5 1.7 2 2

Thread Size
d		 M4 M5 M6
P Pitch 0.7 0.8 1
dt max 1 1.25 1.5
e min 2.303 2.873 3.443
s Nominal Size 2 2.5 3
max 2.08 2.58 3.08
min 2.02 2.52 3.02
t min Short screw 1.5 2 2
Long screw 2.5 3 3.5

Thread Size
d		 M8 M10 M12
P Pitch 1.25 1.5 1.75
dt max 2 2.5 3
e min 4.583 5.723 6.863
s Nominal Size 4 5 6
max 4.095 5.14 6.14
min 4.02 5.02 6.02
t min Short screw 3 4 4.8
Long screw 5 6 8

Thread Size
d		 M16 M20 M24
P Pitch 2 2.5 3
dt max 4 5 6
e min 9.149 11.429 13.716
s Nominal Size 8 10 12
max 8.175 10.175 12.212
min 8.025 10.025 12.032
t min Short screw 6.4 8 10
Long screw 10 12 15



t1 for I above the dashed step line with angle WDIN 914 = 120°
t2 for below the dashed step line with angle WDIN 914 = 90°


→step line see product standard


All information is strictly informative