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Power Tools
| Question | Answer |
|---|---|
| Abrasive | A substance, such as sandpaper, that is used to wear away material |
| Alternating Current (AC) | The common power supplied to most all wired devices, where the current reverse its direction many time per second |
| Arbor | The end of a circular saw shaft where the blade is mounted |
| Carbide | A very hard material made of carbon and one or more heavy metals. Commonly used in one type of saw blade |
| Chuck | A clamping device that holds an attachment |
| Chuck Key | A small, T-shaped steel piece used to open and close the chuck on power drills |
| Countersink | A bit or drill used to set the head of a screw at or below the surface of the material |
| Direct Current (DC) | An electric power supply where the current flows in one direction only |
| Forstner Bit | A bit designed for use in wood or similar soft material. The design allows it to drill a flat-bottom blind hole in material |
| Grit | A granular, sand-like material used to make sandpaper and similar materials abrasive |
| Ground Fault Circuit Interrupter (GFCI) | A circuit breaker designed to protect people from electric shock and to protect equipment from damage by interrupting the flow of electricity if a circuit fault occurs |
| Ground Fault Protection | Protection against short circuits; a safety device that cuts power off as soon as it senses any imbalance between incoming and outgoing current |
| Kerf | The channel created by a saw blade passing through material, which is equal to the width of the blade teeth |
| Masonry bit | A drill bit with a carbide tip designed to penetrate materials such as stone, brick, or concrete |
| Reciprocating | Moving backward and forward on a straight line |
| Revolutions Per Minute (RPM) | The rotational speed of a motor or shaft, based on the number of times it rotates each minute |
| Ring Test | A method of testing the condition of a grinding wheel |
| Shank | The smooth part of a drill bit that fits into the chuck |
| Trigger Lock | A small lever, switch, or part that can be use to activate a locking catch to hold a power tool trigger in the opening mode without finger pressure |
| Auger Bit | A drill bit with a spiral cutting edge for boring holes in wood and other materials |
Created by:
wthompson79