Hexagon screw, countersunk head
DIN 7991, steel 010.9, uncoated
DIN 7991 010.9 ST M2,5X5
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ISO 10642 replaces DIN 7991 | There are some limited consistencies (some screw head heights and diameters have been amended | the M18, M22, and M24 nominal diameters have been removed | stainless steels have been removed | strength classes 10.9 and 12.9 have been added).
Due to the geometry of their head, the screws have reduced loadability; for more details, see DIN EN ISO 898-1
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M2.5 |
Head diameter (d) | 5 mm |
Head height (k) | 1.5 mm |
Internal drive (s) | HS1.5 |
Standards | DIN 7991 |
Material | Steel |
Property class | 010.9 |
Surface | Plain |
Head type | Countersunk head |
Drive type | Hexagon socket |
Thread type | Metric thread |
Thread form | Standard metric thread |
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