Metric Zinc Plated Chimney Lug Nuts ZINC PLATED STEEL STANDARD METRIC THREAD M4 - 15MM LONG X 10MM WIDE X 7MM TALL M5 - 21MM LONG X 14.3MM WIDE X 7MM TALL M6 - 25.8MM LONG X 17MM WIDE X 14MM THICK M8 - 25.7MM LONG X 16.5MM WIDE X 10.7MM THICK £0.83 (Inc. VAT) £0.69 (Ex. VAT) Choose Options Compare