Set screw, hex socket, cup point
ISO 4029, acid-resisting steel A4, 21H, uncoated
ISO 4029 21H A4 M4X8
Art.-no. 026994 8
EAN 6438190715772
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The hardness class 21H is equivalent to hardness 210 HV
Tip:
A2/A4 stainless steel set screws are not specially hardened and may be used for tensile loads.
ISO 4029 replaces DIN 916 | There are some consistencies | Nominal diameters for M1.4, M1.8, M14, M18, and M22 are removed | Hardness classes for stainless steels introduced.
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M4 |
Length (l) | 8 mm |
Ring cutter diameter (d) | 2 mm |
Internal drive (s) | HS2 |
Standards | ISO 4029 |
Material | Stainless steel A4 |
Surface | Plain |
Hardness category | 21H |
Drive type | Hexagon socket |
Shape of tip | Cup point |
RoHS-compliant | Yes |
Notice | The hardness class 21H is equivalent to hardness 210 HV Tip: A2/A4 stainless steel set screws are not specially hardened and may be used for tensile loads. ISO 4029 replaces DIN 916 | There are some consistencies | Nominal diameters for M1.4, M1.8, M14, M18, and M22 are removed | Hardness classes for stainless steels introduced. |
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