Holding Down Bolts

Our comprehensive range of Holding Down Bolts (HDBs) includes a wide range of square square holding down bolts, available in grades 4.6 (mild steel), 8.8 (high tensile) & Stainless Steel. Diameters range from M16 to M64 and lengths from 300mm to 1000mm. All products refer to the respective BS specification. Comes complete with the (square) nut. We also offer the corresponding waxed cones and square plate washers.