Eureka Set Screw & Nut Galvanised 6-Piece Set, 12 mm x 30 mm Size | Locks shafts, pulleys, knobs and collars in place against a flat or keyed surface

Locks shafts, pulleys, knobs and collars in place against a flat or keyed surface Allen-key socket lets you tighten in tight spaces where a spanner will not fit Fastening metal components and machinery using a pre-tapped hole or nut Metal / Steel sections Used in a pre-drilled hole the same size as the bolt thread.The nut can be fastened with a spanner.Can be used with a washer to provide a larger weight bearing surface.