Questions tagged [fasteners]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
23
votes
5answers
5k views

Why exactly does a washer help distribute the stress around a bolt?

Usually the reason for having a washer under a bolt head is stated to be that it helps to evenly distribute the stress to the clamped material surface. But why is this? I would understand if the ...
2
votes
1answer
2k views

Will standard M5 T-slot nuts fit these different 2020 aluminium extrusions?

I am trying to source the parts for a Wilson II 3D printer, and the recommended struts are made from 2020 aluminium extrusions, like so: However, in Bangkok, I can only find this type: Note that the ...
1
vote
1answer
2k views

Sizing plate washers for through-bolting to concrete

We are working on some equipment that is going to be attached to existing, 3,000 psi reinforced concrete floor slabs. In some locations, the best way to do this is to through-bolt and 'sandwich' the ...
0
votes
1answer
38 views

Correct sizing of fastener for console

Following situation: I need to mount a console holding a load to the edge of a 25cm concrete plate. I want you to check my reasoning. This is the situation: My thinking is: The load is 170kg, which ...