Screw: hexagon socket countersunk head · DIN 7991

DIN 7991 countersunk head screw M20x70

DIN 7991 - Hexagon socket countersunk head cap screws

Automatically build standard products in SOLIDWORKS with TSFP.

Outdated standard

DIN 7991 M20x70

DIN 7991 countersunk head screw M20x70
Thread diameter 20 mm
Thread pitch 2.5 mm
Screw length 70 mm
Thread length 70 mm
Head diameter 36 mm
Theoretical head diameter 37* mm
Head height 8.5 mm
Hexagon socket size 12 mm
Hexagon socket depth 5.6 mm
Radius under head 1 mm
Unthreaded shank diameter 20 mm

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