They easily slip out and go into your thumb, and that particular kind of bit is poky! I don’t recommend the ECX bits in a cordless driver. The ECX lets you crank them down good and quick without a ton of extra labor. And a Phillips won’t tighten them well enough without a LOT of downward pressure. A straight slot slips out of the screws too easily when trying to get a good crank on those set screws. I’m an electrician and I love my ECX driver. Milwaukee claims that ECX Driver Bits are: “…designed for superior grip to eliminate rounding out fastener heads.”ĭoes ECX make life easier or just add more unneeded complication? That’s something I can’t answer. If in creating a combination type head, you make a head that doesn’t really fit any one type of driver very well, then creating a new bit type to fit these screws better might cause less frustration. So doesn’t creating yet another bit type or screwdriver that you need to carry seem counter productive? The whole point of a combination head screw is that you can use whichever screwdriver you have on you, or bit you have in your driver to turn it, and that you shouldn’t need to carry an arsenal of driver bits or a pocketful of screwdrivers. I suspect an ECX bit would work in this screw, but I’m not positive.įinally, this old switch has a combination Phillips and slotted head. This breaker I found has a combination slotted/square drive head where the square drive is positioned diagonally to the slot. Notice the square head is in-line with the slot, not diagonal to it like the type of screw head the ECX bit was designed to fit. The circuit breaker shown here has a combination slotted and square head. The receptacle above uses combination screws for both its terminal screws and the screws that hold it in the electrical box.Īs I mentioned above, there are several different types of combination screws. Now you don’t need to be an electrician to run into combination screws, everyday items like plugs and outlets use them too.Ībove is a replacement plug I found while wandering around Home Depot. Some circuit breakers use the type of combination drive that ECX was designed to fit. Several conduit couplings and wire connectors use some form of combination screw. Above is a combination set screw coupling.
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