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| Countersink
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To enlarge a hole in the wood, metal, etc. so that the head of the screw or bolt will fit flush with the surface or below it; to sink the head of a bolt or screw into that hole. |
| Countersink bit
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Conical-shaped cutting edge designed to fit into the adjustable end of a drill (called a Chuck). This bit is used to cut countersinks. |
| Counterthrust
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Opposing thrust. |
| Countertop
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Top mounted surface of a cabinet, which is usually ceramic tile or synthetic marble or non-laminated plastic, depending on usage and cost. Certain countertops are more durable than others. |
| Countertorque
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Braking a motor by the development of torque opposition to the direction of rotation through the reversal of power to the motor. |
| Counterweight
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Weight equal to another; a counter balance. |
| Counterweighting
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Counterweighting is a method of offsetting opposing forces to increase tool balance and reduce tool vibration. |
| Coupler
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| Coupler, threaded
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| Coupling
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A type of fitting with two female ends that receive the smaller ends of piping or tubing, making a connection. A mechanical device or part for joining parts together to make a joint. A type of fitting used to join plumbing pipes. |
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