Screw Length: 1-3/4 inch or 44.4mm (measured excluding the head height); Head Height: 0.163 inch (4.1mm); Width Across the Flat Head: 0.438 inch (11.1mm)
Material: 304 stainless steel material, with high corrosion resistance and chemical resistance, moisture resistance and durable.
1/4-20 hex bolts: Can be used to fasten wood to wood, wood to metal or metal to metal applications, be sure to the same threads, grade and finish washers and nuts, and pre-drill a pilot hole the same diameter as the hex socket bolt you are using.