| A | B |
| adapter | A tool that provides a means of fittinf the shank of a cutting tool into the spindle. |
| alignment | Setting points in line of adjustment. |
| tolerance | the minimum or maximum interference permitted between parts. |
| burr | The thin edge on a machined or ground surface left by the cutting tool. |
| bushing | A sleeve or liner for a bearing. |
| cam | A device that converts rotary motion to straight-line motion. |
| chamfer | A bevelled edge or a cut-off corner. |
| concentricity | The condition where all diameters of a shaft have a common center or axis. |
| counterbore | A tool used to enlarge a hole through part of its length. |
| countersink | A tool used to recess a hole conically for the head of a screw or rivet. |
| cutting speed | The speed in feet or meters per minute at which the cutting tool passes the work. |
| drill chuck | A holding device used to hold and drive straight-shank cutting tools. |
| finishing | Machining a surface to size with a fine feed produced in a lathe, milling machine, or grinder. |
| heat-treating | A process that combines the controlled heating and cooling of a metal or alloy to change its microstructure. |
| malleability | The property of metal that allows it to be hammered or rolled into other sizes and shapes. |
| orthographic view | The representation of a three-dimensional view of an object in a single plane. |
| pitch | The distance from the center of one thread to the corresponding point on the next thread. |
| section view | A view that shows the interior detail of a part that is too complicated to show by outside views. |
| sequence of operations | The order of steps to be taken to successfully machine a part. |
| taper | A uniform increase or decrease in the diameter of a piece of work measured along its length. |