BARTLETT
HIGH SCHOOL




MISCELLANEOUS TOOLS (cont.)

Brief Description of Tool: Punches are used with ball peen hammers to remove pins, align holes, and mark locations of holes to be drilled. They are similar in appearance to nail sets but do not have a cupped or hollowed end. Punches are classified according to the shape of their points. Price: Length and diameter can vary in price

Brief Description of Tool: Putty knifes made in different types of handles or blades may serve a different function; All in all, they are used to scrape or spread material such as plaster or putty on surfaces or holes, applying drywall mud and plaster, and for removing paint and stickers on counters and floors. How do you use it: The putty knife is applied with putty evenly across the blade. The putty knife then must be spread in a smooth fashion on the surface. Cost: $15

Brief Description of Tool: Known as crowbars or wrecking bars, are used in demolition. They are usually 24” or 30” and may have curved ends, usually known as gooseneck bars. How do you use it: Similar to the back end of a hammer used to pull out nails, ripping bars serve the same function to ripping off nails, wood, etc. When do you use the tool: used as an alternative to ripping off larger and longer nails because they have more leverage than the hammer’s back end. Cost: $6-$25

Brief Description of Tool: Rivet guns or pop riveters can be used to help join two pieces of metal or plastic together through a pre-drilled hole. When do you use the tool: This tool is used when work requires joining thin pieces of metal or plastic together in which the joints of the joiners do not break i.e. for making repairs around the house. Prices: $5 to $10.

Brief Description of Tool: Scratch awls are generally used to mark a line on a wood or metal surface to indicate location for a later work. The marks are noticeable on a hard surface and are shown to be very rough. How do you use it: Depending on whether the material does or does not have grain, they are used by using the metal spike to mark points on objects for later work. Cost: Scratch awls are relatively cheap, costing $3.00 to $8.00 depending on the measurement (~4” at minimum).

Brief Description Tool: The screw extractors can come in two types: easy out and fluted extractor. An easy out’s side is stamped with the correct size of a drill bit, while a fluted extractor may come in a set with several sizes, correct sized drill bits, splined hex nuts, and drill guides. When do you use the tool: Screw extractors are used when screws or bolts cannot be removed normally, either because they are broken or seized. Cost: $10

Brief Description of Tool: Sharpening stones can be made into different materials: Oil Stones, Water Stones, and Diamond Stones, and are used for “swarf” or metal filing removal. They are generally used after the purchase of tools such as a pocket knife, axe, or chisel to provide a medium edge. Cost: Usually $8 minimum to ~$35

Brief Description of Tool: The level indicates the horizontal plane which liquid is encased in a vial with a bubble of air. The frame shows the exact horizontal plane when the frame is parallel to the surface of the earth, or the “level”. Additional vials are shown in longer levels perpendicular to the tool to measure the vertical “plumb” Cost: $21 to $131 Depending on design and functions.

Brief Description of Tool: A tap cuts a thread on the inside surface of the hole. There are three types of taps: taper taps, bottoming taps, and plug taps. How do you use it: To use, you first have to make a hole with a screwdriver. Then, you start turning the tap clockwise while entering the hole. Every three or four turns, pull the tap out so you don’t break. Once, into the required depth remove slowly. Price: $30.00 (for a set)