Dimensional and assembly data for M24 Tab Lock Washer for Round Nut to GB/T 858. Includes head size and width across flats, clearance-hole and tapping-drill diameters, tightening torque per property class, and the sizes to step up or down to when the joint requires it.
M24 Dimensional Row (GB/T 858)
| For shaft / nut size | Inner diameter d1 (mm) | Outer diameter d2 (mm) | Thickness t (mm) | Tab length (mm) | Reference standard |
|---|---|---|---|---|---|
| M24 | 24.5 | 45 | 1.5 | 14 | GB/T 858 |
Spanner & Drive for M24 Tab Lock Washer for Round Nut — GB/T 858 (Series 089)
Drive geometry for M24 Tab Lock Washer for Round Nut — GB/T 858 (Series 089) is given by the row above; match the tool to the listed values.
Common Applications for M24 Tab Lock Washer for Round Nut — GB/T 858 (Series 089)
M24 Tab Lock Washer for Round Nut — GB/T 858 (Series 089) are commonly specified for high-load load-spreading on structural joints.
Installation Tips for M24 Tab Lock Washer for Round Nut — GB/T 858 (Series 089)
- At M24 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 M24
A M24 flat washer pairs with a M24 bolt/screw and matching M24 nut.

