M4X0.5 Fine Adjustment Set Screws are manufactured to DIN 913 with a coarse thread pitch of the standard value. This page lists the controlling dimensions for the M4X0.5 size — head geometry, width across flats, matching spanner size — together with the clearance hole, tapping drill and tightening torque used at assembly.
M4X0.5 Dimensional Row (DIN 913)
| Thread size | Pitch (mm) | Hex socket s (mm) | Travel per turn (mm) | Travel per 1/12 turn (mm) | Common length range (mm) | Reference standard |
|---|---|---|---|---|---|---|
| M4x0.5 | 0.5 | 2 | 0.50 | 0.042 | 4~20 | DIN 913 fine |
Spanner & Drive for M4X0.5 Fine Adjustment Set Screws
Drive geometry for M4X0.5 Fine Adjustment Set Screws is given by the row above; match the tool to the listed values.
M4X0.5 Fine Adjustment Set Screws Weight
A steel M4X0.5 fine adjustment set screws at the listed 420 mm length weighs approximately 4,247 g each — about 4,247 kg per 1,000 pieces. Stainless A2/A4 weighs roughly the same (density 7.9–8.0 g/cm³). Actual weight varies slightly with head form, thread and finish; use this figure for freight estimation only.
Common Applications for M4X0.5 Fine Adjustment Set Screws
M4X0.5 Fine Adjustment Set Screws are commonly specified for heavy assembly and large machine mounts.
Installation Tips for M4X0.5 Fine Adjustment Set Screws
- At M4X0.5 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 M4X0.5
For M4X0.5, pair with a M4X0.5 hex nut (ISO 4032 / DIN 934) and, where used, a M4X0.5 flat washer (ISO 7089 / DIN 125A) under the head and under the nut.
