| This is a tool with a rotating drill bit used for drilling | | | | force on the masonry bit. Generally, the drill chuck |
| holes in various materials. Drills are commonly | | | | of this drill is designed to hold SDS drill bits. |
| used in woodwork and metalwork. The drill bit is | | | | Cordless Drills: A cordless drill is a type of electric |
| gripped by a chuck at one end of the drill, and is | | | | drill, which uses rechargeable batteries. These drills |
| pressed against the target material and rotated at | | | | are available with similar features to an electric drill. |
| speed. The tip of the drill bit does the work of | | | | Drill Press: This is a fixed style of drill, which may |
| cutting into the target material, slicing off thin | | | | be mounted on a stand or bolted to the floor or |
| shavings (twist drills or auger bits) or grinding off | | | | workbench. It consists of a base, column (or |
| small particles (oil drilling). | | | | pillar), table, spindle (or quill) and drill head, usually |
| Types Of Drills: | | | | driven by an induction motor. The head has a set |
| Hammer Drill: This is similar to a standard electric | | | | of handles (usually 3) radiating from a central hub |
| drill, with the exception that it is provided with a | | | | which, when turned, move the drill spindle (and |
| powerful hammer action for drilling masonry. The | | | | chuck) vertically, parallel to the axis of the column. |
| hammer action may be engaged or disengaged as | | | | Geared Head Drill: This is identical to the drill press |
| required. | | | | in most respects, however they are generally of |
| Rotary Hammer Drill: This is an electric drill type | | | | sturdier construction and often have a power |
| dedicated to drilling holes in masonry. This | | | | feed installed on the quill mechanism, and safety |
| percussion drill uses a weight to create the impact | | | | interlocks to disengage the feed on over travel. |