DIN 125 AFlat washer
DIN 125 A M5 Flat washer
DIN 125 A M5 is a flat washer, on a M5 × 0.8 mm metric thread. DIN version of the plain flat washer. Form A is the standard 140 HV hardness range, which is lower than the 200 HV of the ISO series.
Diameter5 mm
Pitch0.8 mm
Inside Ø d15.3 mm
Outside Ø d210 mm
Thickness h1 mm
Dimensions
- Standard
- DIN 125 A
- Type
- Flat washer
- Size
- M5
- Thread
- M5 × 0.8
- Total height h
- 1 mm
- Inside diameter d1
- 5.3 mm
- Outside diameter d2
- 10 mm
Nominal values in millimetres as published in DIN 125 A. Estimated weight 0.443 g per piece in steel (0.446 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M5 thread pageDesignationM5 × 0.8
Pitch0.8 mm
Major Ø5 mm
Pitch Ø4.48 mm
Minor Ø ext4.02 mm
Tap drillØ 4.2 mm
Other lengthsDIN 125 A M5
All M5 specificationsInterchangeability
DIN 125 A is catalogued with ISO 7089 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.