Hexagon shoulder screw with long threaded pin DIN 609, steel 8.8, zinc-plated, blue passivated (A2K)
BLT-HEX-DIN609-8.8-WS30-(A2K)-M20-K6X50
Art.-no. 0050120050
EAN 4047376043954
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For absorbing lateral forces
through the screw connection or fasten layers of workpieces to one another.
Ground shoulder shank with tolerance field k6
The shoulder shank with tolerance field k6 is generally combined with bore tolerance H7.
Increases installation productivity
as there is no need to use clamping pins with conventional screws.
Datasheets(X)
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Thread type x nominal diameter (d1) | M20 |
Length (l1) | 50 mm |
Head height (k1) | 12.5 mm |
Standards | DIN 609 |
Material | Steel |
Property class | 8.8 |
Surface | Zinc plated |
RoHS-compliant | Yes |
Head type | Hexagon head |
Drive type | Outer hexagon |
External drive (s1) | WS30 |
Thread type | Metric thread |
Pitch | 2.5 mm |
Thread form | Standard metric thread |
Thread design | Partial thread |
Shank diameter (d2) | 21 mm |
Tolerance class | k6 |
Thread length (metric thread) (l2) | 28.5 mm |
Design | With fit shaft |
Tightening torque 90% yield strength (1) | 406 Nm |
Min./max. resulting pre-load force (2) | 63.3-126.5 kN |
Corrosion protection period (3) | 48 h |
Disc with hardness to be used | ≥ 200 HV |
Nut to be used with strength class | ≥ 8 |
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