The M22 size of Hexagon Coupling Nuts is dimensioned by DIN 6334. The table below gives the dimensional row from the standard, followed by the drive and the installation notes for this type.
M22 Dimensional Row (DIN 6334)
| Size | Pitch (mm) | Width across flats s (mm) | Width across corners e (mm) | Length l (mm) | Reference standard |
|---|---|---|---|---|---|
| M22 | 2.5 | 32 | 35.03 | 66 | DIN 6334 |
Spanner & Drive for M22 Hexagon Coupling Nuts
Drive geometry for M22 Hexagon Coupling Nuts is given by the row above; match the tool to the listed values.
Common Applications for M22 Hexagon Coupling Nuts
M22 Hexagon Coupling Nuts are commonly specified for structural joints, flange connections and heavy equipment foundations.
Installation Tips for M22 Hexagon Coupling Nuts
- At M22 the stretch in the bolt becomes the controlling factor — for critical joints, use angle-controlled or stretch-controlled tightening instead of pure torque.
Mating Parts for M22
Pair M22 with the matching M22 bolt or screw, plus a M22 flat washer where required to distribute load on softer materials.
