Metric Brass Half / Lock Nuts Metric standard threads Solid brass Half thin lock nuts ABCD 5mm 8mm 2.7mm 0.8 6mm 10mm 3.2mm 1 8mm 13mm 4mm 1.25 10mm 17mm 5mm 1.5 12mm 19mm 6mm 1.75 Please Note: Specifications given are... £0.24 (Inc. VAT) £0.20 (Ex. VAT) Choose Options Compare