Hexagon head screw DIN 933 ISO 4017, full thread, M 8x20, AF 13, plain steel 10.9

Where a through bolted joint has to carry load over the entire clamping length, the hexagon head screw M 8x20 in plain steel with black finish, property class 10.9 does the work. According to DIN 933 the thread runs almost up to the 5.3 mm high head, the screw measures 20 mm. A wrench of 13 mm is all that assembly takes.

Benefits

• Head height of 5.3 mm keeps the build height of the joint M 8x20 low
• Plain surface without additional coating, the dimensions follow DIN 933 directly
• Thread M 8 almost up to the head to DIN 933 and ISO 4017, load bearing over the length of 20 mm
• Short clamping lengths are possible because at 20 mm length no plain shank has to be allowed for

Applications

Machine and plant construction in dry surroundings, jig and tool making, bolting of gearbox and bearing housings, maintenance work on existing equipment.

Standards and conformity

Dimensions and thread design of size M 8x20 follow DIN 933 and ISO 4017. The width across flats amounts to 13 mm and is stated identically in DIN and ISO. The material is plain steel (black finish), property class 10.9.