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.
6 TONGUE AND GROOVE ROOF DECKING. MINIMUM LENGTHS. If pieces are for controlled random layup, odd or even lengths are permitted, and the minimum lengths based on board feet percentages shall be as follows: Two Inch Decking â¢ Not less than 40% to be 14 ft. and longer â¢ Not more than 10% to be less than 10 ft. â¢ Not more than 1 % to be 4 to 5 ft.