SD Hex Coarse C4 14-10 x 42 Neo

The SD Hex Coarse C4 14-10 x 42 Neo is a hex head self-drilling screw with a coarse thread and a bonded neoprene washer under the head. It’s manufactured from plated steel, giving it a durable protective finish suited to general trade use. The neoprene washer compresses to form a weatherproof seal, making this screw a common choice for fixing roof sheeting and cladding.