FASTENER STANDARD
M8 x 40
Hexagon Flange Bolt — DIN 6921 / ISO 4162 / GB/T 5789
M8 x 40 is listed in the confirmed supply specifications of the products shown below. Dimensions are referenced against DIN 6921 / ISO 4162 / GB/T 5789; 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: P = thread pitch; s = width across flats; k = head height.
Edition to confirm · Specification| Standard | Status | P (mm) | s (mm) | dc (mm) | k (mm) |
|---|---|---|---|---|---|
| DIN 6921 | Historical | 1.25 | 10 | 17 | 8.1 |
| ISO 4162 | Current | 1.25 | 10 | 17 | 8.1 |
| GB/T 5789 | Current | 1.25 | 10 | 17 | 8.1 |
