The M36 size of Thin Hex Castle Nut is dimensioned by GB/T 6181 / ISO 4035. The tables below give the dimensional row from the standard, the drill and spanner sizes that go with it, and the assembly torque per property class. The technical drawing on this page redraws to the exact values selected.
M36 Dimensional Row (GB/T 6181 / ISO 4035)
| Size | Pitch (mm) | Width across flats s (mm) | Width across corners e (mm) | Total height m (mm) | Slot width (mm) | Reference standard |
|---|---|---|---|---|---|---|
| M36 | 4.0 | 55.0 | 60.79 | 43.0 | 8.0 | ISO 7036 / GB/T 6180 |
Spanner & Drive for M36 Thin Hex Castle Nut — GB/T 6181 / ISO 4035 (Series 053)
Drive geometry for M36 Thin Hex Castle Nut — GB/T 6181 / ISO 4035 (Series 053) is given by the row above; match the tool to the listed values.
Common Applications for M36 Thin Hex Castle Nut — GB/T 6181 / ISO 4035 (Series 053)
M36 Thin Hex Castle Nut — GB/T 6181 / ISO 4035 (Series 053) are commonly specified for structural joints, flange connections and heavy equipment foundations.
Installation Tips for M36 Thin Hex Castle Nut — GB/T 6181 / ISO 4035 (Series 053)
- At M36 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 M36
Pair M36 with the matching M36 bolt or screw, plus a M36 flat washer where required to distribute load on softer materials.