M20x160mm (40mm) Through Fixing Bolts - BZP (1/pack)

Through bolts are for use in concretes and other dense materials. Bolt size is the drill size e.g. M6 requires a 6mm drill. The number in brackets beside the size in the description is the usable length of the anchor e.g. M10x80mm(10mm) means 10mm of usable length.