Hexagonal Lag Screw Stainless Steel 3/4 * 20" thread_size_1-1-2-12 and fastening

and fastening

The screws have a thread of 1-1/4-7 and a length of 7

This hexagonal bolt has a length of 12" with a threading of 7/8-14 [Partially Threaded]

Fine and extra-fine threads are closely spaced to prevent loosening from vibration: the finer the thread

Hexagonal Lag Screw Stainless Steel 3/4 * 20" thread_size_1-1-2-12 and fastening18 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 20 and a diameter of 3 4.