Countersunk screw with hexagon socket, galvanised ISO 10642, steel 10.9, zinc-plated, blue passivated (A2K)
SCR-ISO10642-010.9-HS2,5-(A2K)-M4X14
Art.-no. 008904 14
EAN 4055375570364
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ISO 10642 replaces DIN 7991 | There is some limited similarity (some head heights and head diameters have been changed | nominal Ø M18, M22, M24 are omitted | Stainless steels removed | strength classes 10.9 and 12.9 added).
These screws can only be subjected to limited loads due to their head geometry, see DIN EN ISO 898-1
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M4 |
Length (l1) | 14 mm |
Head diameter (dk) | 7.96 mm |
Head height (k1) | 2.48 mm |
Internal drive (s1) | HS2.5 |
Standards | ISO 10642 |
Material | Steel |
Property class | 010.9 |
Surface | Zinc plated |
Corrosion protection period (3) | 48 h |
RoHS-compliant | Yes |
Head type | Countersunk head |
Drive type | Hexagon socket |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Full thread |
Product class | A |
Tightening torque 90% yield strength (1) | 4.4 Nm |
Min./max. resulting pre-load force (2) | 2.5-5 kN |
Disc with hardness to be used | ≥ 200 HV |
Nut to be used with strength class | ≥ I10I |
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