Hexagon screw, countersunk head
ISO 10642, stainless steel A2
ISO 10642 A2 M4X20
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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 steel models have been removed | property classes 10.9 and 12.9 have been added).
Due to their head geometry, countersunk head screws have a limited load capacity according to this standard and possibly do not meet tensile or torsional strength requirementss, see DIN EN ISO 898-1
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M4 |
Length (l) | 20 mm |
Head diameter (d) | 7.96 mm |
Head height (k) | 2.48 mm |
Standards | ISO 10642 |
Material | Stainless steel A2 |
Surface | Plain |
RoHS-compliant | Yes |
Head type | Countersunk head |
Drive type | Hexagon socket |
Internal drive | HS2.5 |
Thread type | Metric thread |
Pitch | 0.7 mm |
Thread form | Standard metric thread |
Thread design | Full thread |
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