ISO 7089Flat washer
ISO 7089 M6 Flat washer
ISO 7089 M6 is a flat washer, on a M6 × 1 mm metric thread. The general purpose flat washer. It protects the clamped surface, bridges oversized holes and spreads load under the head or nut.
Diameter6 mm
Pitch1 mm
Inside Ø d16.4 mm
Outside Ø d212 mm
Thickness h1.6 mm
Dimensions
- Standard
- ISO 7089
- Type
- Flat washer
- Size
- M6
- Thread
- M6 × 1
- Total height h
- 1.6 mm
- Inside diameter d1
- 6.4 mm
- Outside diameter d2
- 12 mm
Nominal values in millimetres as published in ISO 7089. Estimated weight 1.016 g per piece in steel (1.023 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M6 thread pageDesignationM6 × 1
Pitch1 mm
Major Ø6 mm
Pitch Ø5.35 mm
Minor Ø ext4.77 mm
Tap drillØ 5 mm
Other lengthsISO 7089 M6
All M6 specificationsInterchangeability
ISO 7089 is catalogued with DIN 125 A as its equivalent designation. Dimensions are compared field by field rather than assumed identical.