FASTENER STANDARD
M20
Plain Washer — Normal Series — DIN 125 / ISO 7089 / GB/T 97.1
M20 is listed in the confirmed supply specifications of the products shown below. Dimensions are referenced against DIN 125 / ISO 7089 / GB/T 97.1; where these standards differ, both values are shown so the correct one can be confirmed before ordering. Packing quantity, stock status and mechanical property class are confirmed in the quotation. Column symbols: d1 = inside diameter; d2 = outside diameter; h = thickness; d1 max = inside diameter, maximum; d2 min = outside diameter, minimum; h max = thickness, maximum; h min = thickness, minimum.
Edition to confirm · Specification| Standard | Status | d1 (mm) | d2 (mm) | h (mm) | massKgPer1000 (mm) | d1 max (mm) | d2 min (mm) | h max (mm) | h min (mm) |
|---|---|---|---|---|---|---|---|---|---|
| DIN 125 | Historical | 21 | 37 | 3 | 17.2 | - | - | - | - |
| ISO 7089 | Current | 21 | 37 | 3 | - | - | - | - | - |
| GB/T 97.1 | Current | 21 | 37 | 3 | - | - | - | - | - |
| ISO 7091 | Current | 22 | 37 | 3 | - | 22.52 | 35.4 | 3.6 | 2.4 |
Compare before substituting
DIN 125 →ISO 7089GB/T 97.1ISO 7091ISO 7091 / M20 / d1: ISO 7089 21 · ISO 7091 22