Round head screw with square neck and nut DIN 603 with nut, steel, strength class 4.8, zinc-plated, blue passivated
DIN 603 steel 4.8 zinc plated with nut
SCR-MHD-DIN603-NUT-4.8-(A2K)-M20X260
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The flat square neck fixes the round head screw in a slot, for example, and allows tightening from the nut side without counter-tensioning.
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Use 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 is dependent on thread dimension. When joining wood to wood, a larger washer must be placed under the nut, e.g. a wood construction washer.
 | |
Thread type x nominal diameter (d1) | M20 |
Length (l1) | 260 mm |
Material | Steel |
Property class | 4.8 |
Surface | Zinc plated |
Head diameter (dk) | 46.8 mm |
Head height (k1) | 11.05 mm |
Square width (V) | 20.84 mm |
Square height (f) | 15.90 mm |
Internal drive | 0 - not applicable |
Standards | DIN 603 |
RoHS-compliant | Yes |
Design | With nut |
Head type | Cup head square neck |
Head details | With square neck |
Drive type | 0 - not applicable |
Thread type | Metric thread |
Pitch | 2.5 mm |
Thread form | Standard metric thread |
Thread design | 0 - not applicable |
Thread length (metric thread) (b) | 65 mm |
Product class | C |
Area of application | 0 - not applicable |
Regulated area | 0 - not applicable |
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