ISO 4161FlangeExternal hexagon

ISO 4161 M14 Flange

ISO 4161 M14 is a flange nut, on a M14 × 1.5 mm metric thread. A hex nut with a wide circular flange that spreads the clamping load and behaves like an integrated washer. Speeds up assembly versus nut + washer.

Dimensioned drawing — ISO 4161 M14s 18m 14
ISO 4161 M14 — FlangeNominal dimensions in mm · Not to scale
Diameter14 mm
Pitch1.5 mm
Socket size s18 mm
Height m14 mm
Flange Ø dc29.6 mm
HeadFlange
DriveExternal hexagon

Dimensions

Standard
ISO 4161
Type
Flange nut
Size
M14
Socket size s
18 mm
Height m
14 mm
Flange diameter dc
29.6 mm
Drive
External hexagon
Head
Flange

Nominal values in millimetres as published in ISO 4161. Estimated weight 6.209 g per piece in steel (6.249 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM14 × 1.5 fine
Pitch1.5 mm
Major Ø14 mm
Pitch Ø13.03 mm
Minor Ø ext12.16 mm
Tap drillØ 12.5 mm

Other lengthsISO 4161 M14

All M14 specifications