Hardened nail specifically designed for fixing to masonry and concrete blocks.Corrosion Rating1 - Clean, dry & low humidity environmentsDescriptionHardened nail specifically designed for fixing to masonry and concrete blocks.FinishZincHead TypeFlatLength mm40MaterialHardened Carbon SteelPack Dimensions L x W x H mm15 x 90 x 163Pack Weight kg0.080Product CodeHM25040PShank Dia. mm2.50Size mm40 x 2.50SubstratesMasonry.