The M27 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.
M27 Dimensional Row (DIN 6334)
| Size | Pitch (mm) | Width across flats s (mm) | Width across corners e (mm) | Length l (mm) | Reference standard |
|---|---|---|---|---|---|
| M27 | 3.0 | 41 | 45.20 | 81 | DIN 6334 |
Spanner & Drive for M27 Hexagon Coupling Nuts
Drive geometry for M27 Hexagon Coupling Nuts is given by the row above; match the tool to the listed values.
Common Applications for M27 Hexagon Coupling Nuts
M27 Hexagon Coupling Nuts are commonly specified for structural joints, flange connections and heavy equipment foundations.
Installation Tips for M27 Hexagon Coupling Nuts
- At M27 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 M27
Pair M27 with the matching M27 bolt or screw, plus a M27 flat washer where required to distribute load on softer materials.
