![]() ![]() Be sure to read up before you buy a bit or drill that suits your needs. Be aware as many of these options look very similar. A combination hammer can drill or break up concrete by flipping a switch. A demolition hammer is far more heavy duty and breaks and chips concrete. Made with the highest quality American chrome-molybdenum-nickel steel available. High Impact Grade Carbide Tip vacuum bonded with a custom formulated copper infused solder. A rotary hammer uses rotation and a hammering action to break up concrete as a bit rotates. SDS-Max Drill Bits SDS-Max shank fits in any standard SDS-Max shank hammer drill. We figure it’s worth describing them all in a quick minute. On top of your numerous bit choices, your most common options for drills are the following: rotary hammers, demolition hammers, and combination hammers. Bosch calls their the Speed Clean Bit, but many other drill bit companies have come to market with cheaper options that are compatible with most HEPA vac systems including these options from DrilTec. These bits attach directly to a vacuum so all dust is sucked up the core of the bit, allowing for faster and cleaner drilling. Many were able to develop a hollow bit that’s compatible with both SDS Max and SDS Plus drills. When OSHA released their changes in silica dust standards, power tool manufacturers were quick to adapt. The major difference is that chipping bits and drilling bits that are used for spline drive drills have different shanks as one is smooth and the other has splines. They are very similar in capacity and variety to the range available to SDS Max bits. Spline bits have become much less common than SDS Plus or SDS Max. You will often see bits as long as 36” or some may even have an extension that allows you to cut well over 4.’ These do allow for a much longer length as well. ![]() Of course, there are plenty of bits smaller than 1” that can be run with an SDS Max drill, but it can often be overkill. Industry standard says that any hole over 1” is cut with an SDS Max bit. If you’re whipping out the big guns to cut bigger holes in masonry or concrete, you’d better have a few SDS Max bits in your toolbox. They can often be found over 1,” but most contractors move to a drill with more power when drilling holes larger than that. Most commonly, SDS Plus bits are used for holes drilled in masonry and concrete (carbide bits) up to 1” in diameter. As seen above, it is a pattern that is consistent with all SDS Plus drill receivers. There are multiple types and sizes of bits with an SDS Plus shank. Please note, SDS Plus bits and drills only pertain to the shank. At the time, it was a major advancement in the clamping of drill bits, thus allowing holes to be drilled more efficiently. The SDS system is said to have been developed by Hilti and Bosch in Germany in the 1970s. This does NOT mean the size of the shank changes, just that the drill has more or less power for cutting holes or chipping concrete. When you’re looking for a drill, whether it’s SDS Max or SDS Plus, you’ll notice a rating such as 1” or 1 1/8.” This refers to the size of bit the drill is capable of running without losing power. The question is, which one is right for you for the job at hand. SDS Max, SDS Plus, Spline, and straight shank bits can be found in almost any hardware store in the world. ![]() SDS-max Speed Clean Dust Extraction Drill Bits SDS-max Rotary Hammer Core. There are four main categories in the marketplace, and they all serve a purpose. SDS-max SpeedXtreme Rotary Hammer Drill Bits. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.How did buying a drill bit get so confusing? Is there a right and wrong? Is there a better or worse? Are all of these ‘improvements’ really even improvements? This list contains only 5-digit ZIP codes. ![]()
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