Socket head cap screw DIN 912 / ISO 4762, hex socket AF 17, M 20x45, steel 12.9 plain (black)

This socket head cap screw to ISO 4762 creates the M 20 connection over 45 mm of length. The AF 17 hex socket sits in the head, which measures 30.0 mm across and stands 20.0 mm high. The screw is made of steel 12.9 plain (black).

Benefits

• Head diameter 30.0 mm at 20.0 mm head height to DIN 912, matching a cylindrical counterbore.
• The AF 17 hex socket transmits the tightening torque without wrench flats on the head.
• The thread running nearly up to the head uses the full length of 45 mm for engagement.
• Property class 12.9 offers the highest strength in this range at the same size M 20.

Applications

• Highly loaded flange joints
• Drive and gearbox engineering
• Clamping fixtures in tool making
• Hydraulic and pneumatic power units

Standards and conformity

The dimensions comply with DIN 912 and ISO 4762. Material and class are specified as steel 12.9 plain (black).