Socket head cap screw DIN 912 / ISO 4762, hex socket AF 3, M 4x30, steel plain (black) 8.8

Where the screw head has to disappear flush into a counterbore, this DIN 912 socket head cap screw works with M 4 and 30 mm length. Head diameter 7.0 mm and head height 4.0 mm define the counterbore, and the tool engages in the AF 3 hex socket. The material is steel plain (black) 8.8.

Benefits

• Size M 4 with only 7.0 mm head diameter saves space on tight hole patterns.
• Dimensions to DIN 912 and ISO 4762, therefore interchangeable with existing M 4 joints.
• Property class 8.8 in plain finish for protected or oily installation points.
• Head diameter 7.0 mm at 4.0 mm head height to DIN 912, matching a cylindrical counterbore.
• The AF 3 hex socket transmits the tightening torque without wrench flats on the head.

Applications

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

Standards and conformity

Head, AF 3 hex socket and M 4 thread follow DIN 912 in conjunction with ISO 4762. The material is documented as steel plain (black) 8.8.