Socket head cap screw DIN 912 / ISO 4762, hex socket AF 17, M 20x55, steel plain (black) 8.8

This socket head cap screw to ISO 4762 creates the M 20 connection over 55 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 plain (black) 8.8.

Benefits

• Dimensions to DIN 912 and ISO 4762, therefore interchangeable with existing M 20 joints.
• The thread running nearly up to the head uses the full length of 55 mm for engagement.
• The AF 17 hex socket transmits the tightening torque without wrench flats on the head.
• Size M 20 transmits high clamping forces, and the AF 17 hex socket takes the required tightening torque.
• Property class 8.8 in plain finish for protected or oily installation points.

Applications

• Bolting of flanges and covers
• Frame and profile structures
• Tool and mould making
• Machine and fixture building

Standards and conformity

The dimensions comply with DIN 912 and ISO 4762. Material and class are specified as steel plain (black) 8.8.