12/31/2023 0 Comments Milwaukee rotary hammerIn general, though, hammers in the same class have similar optimal drilling ranges. For example, one 1″ hammer might be best at drilling 3/8″ while another is best for 1/2″ etc. Keep in mind that different rotary hammers even in the same class can be better at different sized holes. Is there anything else that you could add to help users perfectly understand rotary hammer drilling capacity specs? How do drilling specs correspond to chipping performance?įinally, not all rotary hammers offer chipping, so if a user wants chipping they need to make sure the tool has that capability and the necessary impact energy for the applications they will do. You can use a rotary hammer at its maximum drilling capacity, but it’s best to consider what size of holes you will be drilling most frequently, and size-up accordingly. The optimal drilling range expands a bit for heavier duty models, and you can still use them to their maximum drilling capacity.Īs with most cordless power tools, it’s good to have extra available power for when you need it. Or, if you will be frequently drilling many 5/8″ holes, you might be better served with a higher capacity rotary hammer, such as 1″ and up. A heavier duty rotary hammer can accomplish the same job as well, albeit with more weight. For instance, if you will frequently be drilling 3/8″ holes, you will be well-served by selecting a more compact or mid-size tool. There is overlap in the “optimal use” ranges between models. Looking at the chart, each SDS Plus and SDS Max rotary hammer has an “optimal use” drilling size range, an “occasional use” range, and a range for which they are not recommended. (As the Q&A took place some time ago, the chart does not include the latest model.) Milwaukee provided us with a handy SDS rotary hammer selection chart. This all seems straightforward, and seems especially useful for newer users. Users should consider the orientation they will use the hammer because they may want to choose a lighter, less performing hammer if using the tool upward or in situations where weight can be cumbersome. Users should choose a hammer that is optimal for their most consistent drilling diameters and has a maximum capacity greater than or equal to the largest holes the user will drill. Users should choose a rotary hammer by understanding their most common drilling diameter, their maximum drilling diameter, what orientation they will be drilling mostly (downward, horizontally in a wall, vertically up in a ceiling), and if they will be doing chipping/how much. What hole diameters and drilling depths will users typically select different rotary hammer sizes for? Half its max capacity and a little higher or lower seems like a good rule of thumb. It makes sense for the same to be true for rotary hammers, especially given that masonry materials and drilling depths might vary in different projects or applications. Will it be easy? Controllable? Comfortable? Of course not! What about 50 pounds? That’s going to be much less of a struggle. Let’s say that the most weight you can lift is 100 pounds. (Optimal range of 1” hammer is around 5/16” – 5/8”). The optimal drilling range will be a couple of sizes up and down from its optimal diameter. For instance, a 1” hammer’s optimal drilling diameter is usually around ½”. Typically, a hammer’s optimal drilling diameter is around half of its max capacity. Maximum capacity of hammers is not their optimal drilling capacity. For example, a 1” Hammer is recommended to be used for drilling holes no larger than 1”. Rotary hammers are typically named for their maximum drilling diameter capacity. With an SDS Plus or Max rotary hammer, what does the drilling capacity specification mean? Thank you very much to AJ Johnson, Product Manager at Milwaukee Tool, for the thorough explanations!
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