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I happen to know several automotive locksmiths who work only on edge-cut vehicles, and that absolutely blows my mind. It isn’t crazy that a modern automotive locksmith would be hesitant to invest in the complete ecosystem of high-security keys and cutters. The second reason is that you’re apprehensive about the complexity or the costs involved in retrofitting your operation with all of the parts and equipment necessary to service modern vehicles. Because laser-cut keys are a hallmark of the automotive world, none of this will be relevant to you, which is perfectly understandable. The first is that you do no automotive work whatsoever. If you haven’t embraced laser key cutting, this would be for one of only two reasons. The inner workings of the reciprocal locks that are operated by these keys also are much more robust and complicated as a result, but that’s a topic for another time. Even simple tricks, such as sight reading, are significantly more difficult when dealing with a laser-cut key. There’s no impressioning by using a file to be had here. These same bits can handle edge-cut keys, although that process is typically a bit slower than traditional wheel-based edge-cutting.
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The notch is carved out by what appears to be a tiny drill bit, unlike the cutting wheels that define standard edge-cut duplicators and code cutters. Unlike traditional edge-cut keys, laser keys are created by notching out a groove in a key blade that essentially is a solid plank of metal. It also is becoming increasingly rare to find even entry-level vehicles that don’t employ the use of a high-security key, the most glaring exception being Nissan, which skipped over traditional physical-security measures and jumped right into secure gateway modules. Today, it’s extremely rare to find a vehicle that uses a laser-cut key but doesn’t employ a transponder system (looking at you Hyundai/Kia). The goal behind the technology was to make automobile locks much more difficult to pick and significantly more difficult to duplicate. In the 1990s, laser-cut keys were used in some premium vehicle makes and models as an optional feature. Because microprocessing technology still was in its infancy for automotive security applications, the next-best thing was to modify or enhance physical-security measures, which were the edge-cut keys of that era. Automotive thefts had been rampant throughout the 1980s and well into the following decade. were introduced in the 1990s as an enhanced measure of physical security for automotive applications.
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Laser-cut keys, also known as sidewinder keys, high-security keys, worm-cut keys, etc.