3231 Hexagon Socket Countersunk Head Screw, DIN 7991
These countersunk head screws are made from alloyed steel, to DIN 7991 standard. They are available in a range of sizes.
Flat head countersunk socket cap screws 3231 (DIN 7991) are not intended for high strength applications. To increase the wear resistance of the sockets the screws are produced with a strength of the property class 10.9.