The term national debt refers to direct liabilities of the United States Government. There are several different concepts of debt that are at various times used to refer to the national debt: Public debt is defined as public debt securities issued by the U.S. Treasury. U. S. Treasury securities primarily consist of marketable Treasury securities (i.e., bills, notes and bonds), savings bonds and special securities issued to state and local governments.
Fine thread screws are primarily used for attaching things to metal studs. The general rule of thumb I've heard is ONE INCH of penetration into the framing material, though some builders prefer 1  or 1  of penetration. Since your 2x6 decking is 1-1/2 thick, you can use 2-1/2 or 3 deck screws.There is not much benefit to using much longer screws, because the screws will usually break before they pull out of the wood.he general rule of thumb I've heard is ONE INCH of penetration into the framing material, though some builders prefer 1  or 1  of penetration. Since your 2x6 decking is 1-1/2 thick, you can use 2-1/2 or 3 deck screws.
I installed the stair treads with 2 deck screws. The treads are 5/4x6 deck boards, which are 5  wide. The pre-cut stringers have a tread dimension of 11 inches, so two deck boards (or 2x6's) fit exactly.But this leaves no tread overhang, or nosing, which is normal on stairs with enclosed risers. Without the nosing, people tend to stub their feet on the riser, and possibly trip. installed the stair treads with 2 deck screws. The treads are 5/4x6 deck boards, which are 5  wide. The pre-cut stringers have a tread dimension of 11 inches, so two deck boards (or 2x6's) fit exactly.