Round head screw with square neck and nut

Article No. 0223680

DIN 603 steel 4.8 galvanised with nut SCR-MHD-DIN603-NUT-4.8-(A2K)-M6X80

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DIN 603, with nut, galvanised steel 4.8, blue passivated (A2K), with nut

The flat square neck fixes the round head screw e.g. in a slot and allows tightening from the nut side without counter-tensioning.

DIN 603, with nut, galvanised steel 4.8, blue passivated (A2K), with nut

The flat square neck fixes the round head screw e.g. in a slot and allows tightening from the nut side without counter-tensioning.

Application areaUse in wood construction, particularly carpentry, pre-fabricated house construction, vehicle construction (e.g. truck load platforms), boat building, trade fair construction, scaffolding construction, for heavy, demountable transport racks or machine crates and transport crates for sea transport. Used to join wooden parts or wood and metal parts. The square neck is sunk into the wood. Hole diameter depends on thread dimension. When joining wood to wood, a larger washer must be placed under the nut, e.g. a wood construction washer.

Products specifications

Material	Steel
Property class	4.8
Surface	Galvanised
Thread type x nominal diameter (d₁)	M6
Length (l₁)	80 mm
Head diameter (d_k)	16.55 mm
Head height (k₁)	3.88 mm
Standards	DIN 603
RoHS-compliant	Yes
Version	With nut
Head type	Cup head square neck
Head details	With square neck
Thread type	Metric thread
Pitch	1 mm
Thread format	Standard metric thread
Thread length (metric thread) (b)	18 mm
Product class	C
Construction product	Yes
Declaration of performance (EU-CPR)	Yes

Products specifications

Material	Steel
Property class	4.8
Surface	Galvanised
Thread type x nominal diameter (d₁)	M6
Length (l₁)	80 mm
Head diameter (d_k)	16.55 mm
Head height (k₁)	3.88 mm
Standards	DIN 603
RoHS-compliant	Yes
Version	With nut
Head type	Cup head square neck
Head details	With square neck
Thread type	Metric thread
Pitch	1 mm
Thread format	Standard metric thread
Thread length (metric thread) (b)	18 mm
Product class	C
Construction product	Yes
Declaration of performance (EU-CPR)	Yes