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Hexalobular screws dimensions

Marcello Savoldi edited this page Jan 13, 2022 · 2 revisions

ISO 14583 - Hexalobular (6 Lobe) socket pan head machine screws

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d1 d2 max k max Torx type t max A
M1.6 3.2 1.4 X5 0.6 1.49
M2 4 1.6 X6 0.77 1.75
M2.5 5 2.1 X8 1.04 2.4

ISO 14579 - Hexalobular (6 Lobe) socket head cap screws

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d1 d2 max k max Torx type t max A
M3 5.5 3 X10 1.01 2.8
M4 7 4 X20 1.42 3.95
M5 8.5 5 X25 1.65 4.5
M6 10 6 X30 2.02 5.6
M8 13 8 X45 2.92 7.95
M10 16 10 X50 4.02 8.95
M12 18 12 X55 5.21 11.35

ISO 14580 - Hexalobular (6 Lobe) socket head cap screws

image

d1 d2 max k max Torx type t max A
M3 5.5 2.4 X10 1.27 2.8
M4 7 3.1 X20 1.66 3.95
M5 8.5 3.65 X25 1.91 4.5
M6 10 4.4 X30 2.29 5.6

ISO 14581 - Hexalobular (6 lobe) socket countersunk flat head screws

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d1 d2 max k max Torx type t max A
M2 3.8 1.2 X6 0.64 1.75
M2.5 4.7 1.5 X8 0.79 2.4
M3 5.5 1.65 X10 0.83 2.8
M4 8.4 2.7 X20 1.53 3.95
M5 9.3 2.7 X25 1.51 4.5
M6 11.3 3.3 X30 1.78 5.6
M8 15.8 4.65 X45 2.54 7.95
M10 18.3 5 X50 2.8 8.98