Hexagon screw, partial thread
ISO 4014, acid-resisting steel A4-70, uncoated
ISO 4014 A4/70 M8X55
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ISO 4014 replaces DIN 931 | There is some similarity | Nominal dimensions expanded | Width across flats changed for M10, M12, M14, and M22. Hardness A4-70 up to nominal size M24 | Hardness A4-50 from nominal size M27
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M8 |
Length (l) | 55 mm |
Head height (k) | 5.3 mm |
External drive (s) | WS13 |
Standards | ISO 4014 |
Material | Stainless steel A4 |
Property class | 70 |
Surface | Plain |
RoHS-compliant | Yes |
Head type | Hexagon head |
Drive type | Outer hexagon |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Partial thread |
Shank diameter (ds) | 8 mm |
Thread length (metric thread) (b) | 22 mm |
Product class | A |
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