Knuckle dusters are weapons used in hand to hand fighting. They are made of metal with holes for the four fingers to fit through and it is the bridge across these rings that is used when punching an opponent.
Silicon metal has many uses. It is added to Aluminum alloys and used in the car industry to make them strong and light. It is also used in solar panels, lubricants, greases, skin and hair products, and resins.
Vernier calipers can be used to accurately measure a hard rod's diameter within seconds. And it's very easy to use.
A tool cart is a type of storage area for tools. A tool cart is typically made of metal and square. It is usually on wheels, so that it may freely move. The tool cart also has many drawers that are used to separate tools. Some carts may have a folding table attached.
Making holes
A bore gauge is a tool used to measure the sizes of various holes. There are no different kinds of bore gauges, but bore gauges do come in a few different sizes.
They used an auger to bore holes in wood. A more sophisticated version that would be used later was called a brace and bit.
to bore holes
used to bore or drill holes in the PCB
A boring bar is a tool used to create perfectly formed holes or columns, or maybe channels in wood to enable it to slot together, or to insert rods to connect pieces together when making certain things.
A cork borer is used to make a hole through the middle of a cork stopper, usually in order to insert a delivery tube through it. Now that synthetic rubber bungs can be readily bought with the holes already made, and interchangeable ground glass joints are relatively cheaper than they used to be, cork stoppers are used less frequently. If you do need to use the procedure, get someone to show you how to do it safely, particularly the insertion of the glass tube when the hole is made.
This is a tool used to align the cleaning rod with the bore so that it doesn't rub against the sides of the bore when you pull the cleaning rod in and out. This prevents damaging the bore during cleaning.
Plug Hole I Think :)
A tool with a handle like a screwdriver and a metal spike on the end. It is used for making holes in things and marking places (a mark to know where to drill etc)
it is used for drilling holes in materials such as metal.
GimletBRADAWL
yes its used to start off screw holes