Hexagon head serrated screw with flange W-0274, steel 8.8, zinc-plated, blue passivated (A2K)
W-0274 steel 8.8 zinc plated
SCR-HEX-FLG/UKV-8.8-WS8-(A2K)-M5X20
Art.-no. 027405 20
EAN 4046778651873
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- The locking teeth push into the material of the component that is being screwed and block the inward unlocking torque in the unscrewing direction
 - The material that is being screwed must demonstrate a significantly lower hardness in comparison to the screw (surface hardness of the screw: min. 250 HV)
 - Suitable for short clamping lengths in particular
 
Datasheets(X)
CAD data (available after login)
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Thread type x nominal diameter (d1)  | M5  | 
Length (l1)  | 20 mm  | 
Head diameter (dc)  | 11.8 mm  | 
Head height (k1)  | 5.4 mm  | 
Standards  | WN 274  | 
Material  | Steel  | 
Property class  | 8.8  | 
Surface  | Zinc plated  | 
Locking device operating principle  | Serration  | 
Locking function  | Locking against self-loosening by mechanical interlocking  | 
Head type  | Hexagon head with flange  | 
Drive type  | Outer hexagon  | 
External drive (s1)  | WS8  | 
Thread type  | Metric thread  | 
Pitch  | 0.8 mm  | 
Thread form  | Standard metric thread  | 
Thread design  | Full thread  | 
RoHS-compliant  | Yes  | 
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