DIN 125 AFlat washer
DIN 125 A M10 Flat washer
DIN 125 A M10 is a flat washer, on a M10 × 1.25 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.
Diameter10 mm
Pitch1.25 mm
Inside Ø d110.5 mm
Outside Ø d220 mm
Thickness h2 mm
Dimensions
- Standard
- DIN 125 A
- Type
- Flat washer
- Size
- M10
- Thread
- M10 × 1.25
- Total height h
- 2 mm
- Inside diameter d1
- 10.5 mm
- Outside diameter d2
- 20 mm
Nominal values in millimetres as published in DIN 125 A. Estimated weight 3.573 g per piece in steel (3.596 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M10 thread pageDesignationM10 × 1.25 fine
Pitch1.25 mm
Major Ø10 mm
Pitch Ø9.19 mm
Minor Ø ext8.47 mm
Tap drillØ 8.75 mm
Other lengthsDIN 125 A M10
All M10 specificationsInterchangeability
DIN 125 A is catalogued with ISO 7089 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.