Hexagon head serrated screw with flange

Article No. 02741230

W-0274 yellow galvanised steel 8.8 SCR-HEX-FLG/UKV-8.8-WS17-(A2C)-M12X30

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W-0274, steel 8.8, galvanised, yellow chrome plated (A2C)

Multiple use
Combines bolt and retaining element
The material being bolted must demonstrate a significantly lower hardness compared to the bolt (bolt surface hardness: min. 250 HV)
The locking teeth block the inward unlocking torque in unscrewing direction
Locking effect even with short clamping lengths

W-0274, steel 8.8, galvanised, yellow chrome plated (A2C)

Multiple use
Combines bolt and retaining element
The material being bolted must demonstrate a significantly lower hardness compared to the bolt (bolt surface hardness: min. 250 HV)
The locking teeth block the inward unlocking torque in unscrewing direction
Locking effect even with short clamping lengths

Products specifications

Thread type x nominal diameter (d₁)	M12
Length (l₁)	30 mm
Head diameter (d_c)	26 mm
Head height (k₁)	10.6 mm
Standards	WN 274
Material	Steel
Property class	8.8
Surface	Yellow galvanised
RoHS-compliant	No
Head type	Hexagon head with flange
Head details	Underhead toothing
Drive type	Outer hexagon
External drive (s₁)	WS17
Thread type	Metric thread
Pitch	1.75 mm
Thread format	Standard metric thread
Thread design	Full thread

Würth Catalogue(2)

Catalogue page as PDF 1

Datasheets(1)

CAD Data (available after login)

Products specifications

Thread type x nominal diameter (d₁)	M12
Length (l₁)	30 mm
Head diameter (d_c)	26 mm
Head height (k₁)	10.6 mm
Standards	WN 274
Material	Steel
Property class	8.8
Surface	Yellow galvanised
RoHS-compliant	No
Head type	Hexagon head with flange
Head details	Underhead toothing
Drive type	Outer hexagon
External drive (s₁)	WS17
Thread type	Metric thread
Pitch	1.75 mm
Thread format	Standard metric thread
Thread design	Full thread