Socket head cap screw DIN 912 / ISO 4762, hex socket AF 3, M 4x12, steel 12.9 plain (black)

In machine and fixture building this DIN 912 socket head cap screw holds parts together with M 4 and 12 mm length. It is fitted with an AF 3 hex key, and the head stays slim at 7.0 mm diameter. The material is steel 12.9 plain (black).

Benefits

• 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.
• The thread running nearly up to the head uses the full length of 12 mm for engagement.
• Property class 12.9 offers the highest strength in this range at the same size M 4.
• Dimensions to DIN 912 and ISO 4762, therefore interchangeable with existing M 4 joints.

Applications

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

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 12.9 plain (black).