The feeling of precision in a good power tool is important. It is not a lot of use having a handheld power drill where the drill chuck flops around on loose bearings if you want to drill some accurate holes. Mind, you’d be surprised how many drills do have floppy chuck bearings though, even some from the big brands! Likewise how do you make accurate cuts with a jigsaw if the blade is not firmly mounted and the base is not rigid?
Many things have to be balanced and compromises made in the design and engineering of power tools. For example, whilst some might feel the starting point for real precision is the user’s hand, it is noteworthy that some very high precision handheld power tools have handles that include flexible mounts to absorb vibrations from the drill head and prevent them transferring to the user’s hand.
When developing the KwikPro power tool system we worked hard on the design of the motor handle to tool head connection system to ensure a good precise location of the tool head on the motor handle. The KwikPro Slide-on-DriveTM system uses a foot and shoe arrangement that shares some similarities to that used for mounting power tool batteries in high quality power tools. The carefully profiled shape of the contact points, their distance apart, and the design of the locking mechanism all act to ensure an extremely solid, reliable and accurate connection between the tool head and motor handle. These, combined with high quality materials throughout the construction of the KwikPro system, ensure excellent accuracy for precise control.
It is also worth considering that when using a pistol grip power tool, such as a drill or impact driver; when high pressure is required at the drill or driver bit tip, the other end of the head is often pressed on by the user’s secondary hand, thereby helping to guide the tool head directly with the handle being used to counter the torque at the chuck.
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