Socket head cap screw DIN 912 / ISO 4762, hex socket AF 3, M 4x20, stainless steel A4

In machine and fixture building this DIN 912 socket head cap screw holds parts together with M 4 and 20 mm length. It is fitted with an AF 3 hex key, and the head stays slim at 7.0 mm diameter. The material is stainless steel A4.

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.
• Stainless steel A4 resists chloride-bearing surroundings as well and needs no coating.
• Head diameter 7.0 mm at 4.0 mm head height to DIN 912, matching a cylindrical counterbore.

Applications

• Food and beverage technology
• Water treatment and piping
• Assembly in outdoor areas
• Plants in damp surroundings

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 stainless steel A4.