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Hexagon socket set screw with pin ISO 4028, steel, 45H, zinc-plated, yellow chromated (A2K)
ISO 4028 steel 45H zinc plated yellow
SCR-DOGPT-ISO4028-45H-HS10-(A3C)-M20X80
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Hardness class 45H corresponds to a hardness of 450 HV
Steel set screws are intended for use under compressive stress only (see also DIN EN ISO 898-5). Typical uses include clamping in an adjusting ring or applying pressure to a counterpart. Steel set screws are therefore extremely hard in order to ensure torsional strength in the hexagon socket during tightening/loosening.
Tip:
A2/A4 stainless steel set screws are not specially hardened and may be used for tensile loads.
ISO 4028 replaces DIN 915 | There is some similarity | Nominal diameters for M1.4, M1.8, M14, M18, M22 are removed | Hardness classes for stainless steels introduced.
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M20 |
Length (l1) | 80 mm |
Diameter of tenon (d2) | 15 mm |
Length of tenon (l2) | 10.4 mm |
Internal drive (s1) | HS10 |
Standards | ISO 4028 |
Material | Steel |
Surface | Zinc plated yellow |
Hardness category | 45H |
Drive type | Hexagon socket |
Thread form | Standard metric thread |
Shape of tip | Cone shaped |
RoHS-compliant | No |