Socket head cap screw DIN 912 / ISO 4762, hex socket AF 3, M 4x40, steel zinc plated 8.8

This socket head cap screw to ISO 4762 creates the M 4 connection over 40 mm of length. The AF 3 hex socket sits in the head, which measures 7.0 mm across and stands 4.0 mm high. The screw is made of steel zinc plated 8.8.

Benefits

• The AF 3 hex socket transmits the tightening torque without wrench flats on the head.
• Size M 4 with only 7.0 mm head diameter saves space on tight hole patterns.
• Head diameter 7.0 mm at 4.0 mm head height to DIN 912, matching a cylindrical counterbore.
• Property class 8.8 with electroplated zinc coating as surface protection.

Applications

• Conveying technology and plant construction
• General assembly in equipment building
• Bolting of covers and sheet metal
• Machine frames and stands

Standards and conformity

The screw is dimensioned to DIN 912 and ISO 4762, which allows replacement of like-for-like parts in M 4. The material is stated as steel zinc plated 8.8.