Hexagon screw, countersunk head
ISO 10642, stainless steel A4, plain
ISO 10642 A4 M3X20
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DIN 7991 has been withdrawn and replaced by ISO 10642. 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 requirements, see DIN EN ISO 3506-1
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M3 |
Length (l) | 20 mm |
Head diameter (d) | 5.81 mm |
Head height (k) | 1.86 mm |
Standards | ISO 10642 |
Material | Stainless steel A4 |
Property class | 070 |
Surface | Plain |
RoHS-compliant | Yes |
Head type | Countersunk head |
Head details | 0 - not applicable |
Drive type | Hexagon socket |
Internal drive | HS2 |
Thread type | Metric thread |
Pitch | 0.5 mm |
Thread form | Standard metric thread |
Thread design | 0 - not applicable |
Design | 0 - not applicable |
Product class | A |
Area of application | 0 - not applicable |
Regulated area | 0 - not applicable |
Construction product | 0 - not applicable |
EC declaration of conformity (CE) | 0 - not applicable |
