TSFP
Back to DIN 558

Bolt: hexagon head · DIN 558

DIN 558 hexagon head screw M20x45

DIN 558 - Hexagon head screws threaded up to the head - Product grade C

Automatically build standard products in SOLIDWORKS with TSFP.

Outdated standard

DIN 558 M20x45

DIN 558 hexagon head screw M20x45
Thread diameter 20 mm
Thread pitch 2.5 mm
Bolt length 45 mm
Thread length 35* mm
Width across flats 30 mm
Width across corners 32.95 mm
Head height 12.5 mm
Head bearing face diameter 27.7 mm
Radius under head 0.8 mm
Transition diameter 24.4 mm
Unthreaded shank diameter 18.376* mm
Product grade C

* Calculated value: worked out from the dimensions the standard specifies, not listed in the standard itself.