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For example, the DeWalt 20 V Max XR DCF888 impact driver has ToolConnect built natively into the tool whereas the DeWalt 20 V Max XR DCF845 impact driver has a slot to insert a ToolConnect chip should the user decide to add this connectivity after purchase. [12] [13] In May 2018, it released a line of 20 V and 40 V cordless lawn mowers. [14]
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A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields that effectively rotate in space and which the permanent magnet rotor follows.
The drill bit is not held solidly in the chuck, but can slide back and forth like a piston; it does not slip during rotation due to the non-circular shank cross-section, matching the chuck. The hammer of the drill acts to accelerate only the drill bit itself, and not the large mass of the chuck, which makes hammer drilling with an SDS shank ...
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