Screw FAQs:

Q: Is a screw a type of fastener?

A: Yes, and sometimes similar to a bolt , typically made of metal, and characterized by a helical ridge, known as a male thread or just thread.

Q: Were screws described as "2BA"?

A: Yes, and "4BA" etc.

Q: Are screws covered by ASME B18?

A: Yes.

Q: Is a screw designed to cut its own thread?

A: Yes, it has no need for access from or exposure to the opposite side of the component being fastened to.

Q: Is a screw right-handed and you turn the screw in the direction of your fingers the screw will move in the direction of your thumb?

A: Yes.

Q: Are screws normally made from wire?

A: Yes, and which is supplied in large coils, or round bar stock for larger screws.

Q: Is a screw the outer diameter of the thread?

A: Yes.

Q: Are screws to hold objects together and to position objects?

A: Yes.

Q: Was a screw invented by American Henry F?

A: Yes, Phillips.

Q: Is a screw an externally threaded fastener capable of being inserted into holes in assembled parts?

A: Yes, and of mating with a preformed internal thread or forming its own thread, and of being tightened or released by torquing the head.

Q: Is a screw manufactured with a break-away head?

A: Yes, and which snaps off when adequate torque is applied.

Q: Are screws smaller than bolts?

A: Yes, and that screws are generally tapered while bolts are not.

Q: Is a screw 0.060 + 0.013 × 4 = 0.112 inches in diameter?

A: Yes.

Q: Is a screw described using the following format: X-Y, where X is the nominal size and Y is the threads per inch?

A: Yes, For sizes  1⁄4 inch and larger the size is given as a fraction; for sizes less than this an integer is used, ranging from 0 to 16.

Q: Is a screw measured as the full angle of the cone?

A: Yes.

Q: Is a screw an inclined plane wrapped around a nail?

A: Yes.

Q: Is a screw further reinforced by the consideration of the developments of fasteners such as Tek Screws?

A: Yes, and with either round or hex heads, for roof cladding, self-drilling and self-tapping screws for various metal fastening applications, roof batten screws to reinforce the connection between the roof batten and the rafter, decking screws etc.

Q: Are screws called a screwdriver?

A: Yes.

Q: Are screws used to lag together lumber framing?

A: Yes, and to lag machinery feet to wood floors, and for other heavy carpentry applications.

Q: Are screws then defined as headed?

A: Yes, and externally threaded fasteners that do not meet the above definition of bolts.

Q: Are screws tightened by clockwise rotation, which is termed a right-hand thread?

A: Yes, a common mnemonic device for remembering this when working with screws or bolts is "righty-tighty, lefty-loosey".

Q: Is a screw inserted?

A: Yes.

Q: Were screws commonly used throughout the Mediterranean world in screw presses for pressing olive oil from olives and pressing juice from grapes in winemaking?

A: Yes.