Hexagonal Lag Screw Stainless Steel 1/2 * 16" copper_nickel The screw has a length

The screw has a length of 1-3/4" and a thread of 7/8-9

Providing better load distribution and alignment than single oblong links

This hexagonal bolt has a length of 3-1/2" with a threading of 1-8 [Partially Threaded]

This hexagonal bolt has a length of 9 with a threading of 7/8-9 [Partially Threaded]

Hexagonal Lag Screw Stainless Steel 1/2 * 16" copper_nickel The screw has a length18 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 1 2.