Hexagonal Lag Screw Stainless Steel 5/8 * 16" Quantity:Unity Bronze screws are about 40%

Bronze screws are about 40% stronger than brass screws and provide more corrosion resistance to salt water

The screw has a length of 3-1/2" and a thread of 1-3/8-6

This hexagonal nut fit a threading of 1-8

The screw has a length of 3-1/2" and a thread of 5/8-11

Hexagonal Lag Screw Stainless Steel 5/8 * 16" Quantity:Unity Bronze screws are about 40%18 8 stainless steel screws have good chemical resistance and are a good choice for ACQ treated (arsenic free) lumber. Also known as lag bolts, they have a hex head for a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. They may be mildly magnetic. Length is measured from under the head. The screw has a length of 16 and a diameter of 5 8.