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.
The ones that use 18 volt batteries (and higher) are best for power and longevity. With these drills, you can do everything from drilling small pilot holes for screws in deck boards (to prevent splits), to larger holes with a spade bit for installing lag bolts. These drills have chucks that typically open up to 1/2 inch, can be tightened by hand and are light enough to carry and move around all day.