Hexagon head screw DIN 933 ISO 4017, full thread, M 4x45, AF 7, plain steel 8.8

With thread M 4 and a length of 45 mm this screw covers joints where the hexagon head is reached with a wrench from the side. The width across flats of 7 mm follows DIN 933 and the material is plain steel (black finish) of property class 8.8.

Benefits

• Thread almost up to the head to DIN 933 and ISO 4017, load bearing thread over the full length of 45 mm
• Hexagon head with 7 mm across the flats for open end, ring and socket wrenches
• Property class 8.8 covers the majority of bolted joints in general mechanical engineering
• Plain surface without an added layer, so the dimensions match DIN 933 directly
• Head height of 2.8 mm limits the build height of the joint
• Metric coarse thread M 4, matching nuts and tapped holes are standardised and widely available

Applications

Machinery and plant construction in dry environments, jig and tool making, mounting of gearboxes and bearing housings, maintenance of existing equipment.

Standards and conformity

Dimensions and thread version follow DIN 933 and ISO 4017. The width across flats is 7 mm to DIN and 7 mm to ISO. The material is plain steel (black finish) of property class 8.8.