Hexagon head screw DIN 933 ISO 4017, full thread, M 20x55, AF 30, stainless steel A2

This hexagon head screw M 20x55 is 55 mm long and made of stainless steel A2. The thread to DIN 933 and ISO 4017 also allows use where the clamping length amounts to only a few millimetres. Head height 12.5 mm and width across flats 30 mm define the space the joint requires.

Benefits

• Head height of 12.5 mm keeps the build height of the joint M 20x55 low
• Stainless steel A2 for surroundings with moisture and regular cleaning
• Thread M 20 almost up to the head to DIN 933 and ISO 4017, load bearing over the length of 55 mm
• Short clamping lengths are possible because at 55 mm length no plain shank has to be allowed for
• Hexagon head with 30 mm across flats to DIN and ISO for open end, ring and socket wrenches
• Non rusting material without additional coating, the dimensions of version M 20x55 follow DIN 933

Technical data

Applications

Bolted joints in damp rooms, assembly of cleaning and filling lines, housings and frames in stainless steel, servicing with frequent dismantling.

Standards and conformity

Dimensions and thread design of size M 20x55 follow DIN 933 and ISO 4017. The width across flats amounts to 30 mm and is stated identically in DIN and ISO. The material is stainless steel A2.