Description Nut and bolt joints are an alternative to the traditional cotter pin joint. Using a nyloc ring within the nut they are easier to get a tight fitting joint. We supply M3 – 3x20mm, 3x25mm. Top is a slot, one would use a screw driver to turn, and a nut driver ( socket size 5.5mm) to secure, while you tighten the nut. I make use of this size for all my bear making. These are supplied- 1 screw, 2 washers and 1 nut
