Thru-Bolt Anchors 2 product results for Thru-Bolt Anchors Sort products Sort by: Relevance Name Heavy Duty Seismic Thru-Bolts 42 variants Metric: Dia M8 - M20 & Lengths 55mm - 220mmMaterial/Finish: Galvanised & Stainless Steel Heavy Duty Thru-Bolts 2 variants Metric: Dia M20 & Lengths 170mm - 215mmMaterial/Finish: Galvanised