{"id":634,"date":"2026-10-29T11:28:23","date_gmt":"2026-10-29T03:28:23","guid":{"rendered":"http:\/\/www.tripatnews.com\/blog\/?p=634"},"modified":"2026-10-29T11:28:23","modified_gmt":"2026-10-29T03:28:23","slug":"what-is-the-blade-thickness-of-the-hss-circular-saw-468b-7c8c90","status":"publish","type":"post","link":"http:\/\/www.tripatnews.com\/blog\/2026\/10\/29\/what-is-the-blade-thickness-of-the-hss-circular-saw-468b-7c8c90\/","title":{"rendered":"What is the blade thickness of the Hss Circular Saw?"},"content":{"rendered":"

When a customer walks into my workshop or emails with a question about HSS circular saw blades, the first thing they often ask after \u201cWhat is HSS, anyway?\u201d is: \u201cWhat\u2019s the blade thickness?\u201d It\u2019s a fair question, and for too long, there\u2019s been a lot of half-truths and guesswork floating around the sawing world\u2014especially when you\u2019re sourcing these blades, whether you\u2019re a one-person carpentry shop, a metal fabrication firm, or a remodeling team that bounces between framing and trim work. As someone who\u2019s been supplying HSS circular saw blades for 18 years, I\u2019ve answered this question so many times that I\u2019ve learned to break it down by use case, material, and the small, often overlooked details that make a thickness matter more than just a number. Hss Circular Saw<\/a><\/p>\n

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First, let\u2019s get one thing straight: HSS, or High-Speed Steel, isn\u2019t just a type of steel\u2014it\u2019s a metallurgy designed to hold an edge at extreme temperatures, which means it\u2019s non-negotiable for cutting metal, hardwood, and even some abrasive materials that would make regular steel blades dull in minutes. The thickness of an HSS circular saw blade is one of the biggest factors in its performance, longevity, and how well it handles a cut without causing extra strain on your saw. But there\u2019s no single \u201cright\u201d thickness\u2014different jobs call for different gauges, and picking the wrong one can turn a smooth cut into a nightmare of burn marks, stuck blades, or even damaged saw motors.<\/p>\n

Let\u2019s start with the basics of how blade thickness is measured, because that\u2019s where a lot of new buyers get confused. When I send a quote, I don\u2019t just list \u201c3mm\u201d or \u201c1\/8 inch\u201d \u2014 I specify two numbers that matter: the body thickness (sometimes called the plate thickness) and the kerf. The body thickness is the solid core of the blade, the part that doesn\u2019t have teeth cut into it. The kerf is the width of the cut the blade makes, which is wider than the body because of the teeth\u2019 set (the angle they\u2019re bent outwards on each side to keep the blade from binding in the material). For example, a 180mm diameter HSS blade for cutting thin steel might have a body thickness of 1.2mm and a kerf of 1.6mm. That difference might sound tiny, but it adds up over 100 cuts\u2014more material removed, less friction, less strain on your saw.<\/p>\n

Now, let\u2019s talk about the most common thicknesses and what they\u2019re used for, because that\u2019s what my customers actually need to know. I\u2019ve categorized these based on the industries and jobs I supply, and I can tell you exactly which thickness works where, from small DIY projects to heavy industrial work.<\/p>\n

The thinnest HSS circular saw blades I supply start at 0.8mm (about 1\/32 inch) up to 1.2mm (1\/25 inch). These are for precision cutting, and they\u2019re almost exclusively used for thin, delicate materials: thin aluminum sheet, copper piping, mild steel under 1.5mm thick, and even fine trim work like MDF or thin hardwood veneers. When a cabinet maker comes to me needing to cut 1mm aluminum for a decorative trim piece, or a plumber needs to cut 15mm copper pipe on a job site, this is the thickness I recommend. Why? A thinner body means less material wasted in the cut, which is perfect for high-precision work where every millimetre counts. But here\u2019s the catch: these thin blades aren\u2019t for heavy use. If you try to cut a 6mm steel bar with a 0.8mm blade, the body will flex, the teeth will chip, and you\u2019ll likely break the blade mid-cut. I always warn customers about that: thin = precise, not heavy-duty.<\/p>\n

Next is the middle range, which is the workhorse for most general and medium-duty jobs: 1.5mm (1\/16 inch) up to 2.5mm (1\/10 inch). This is the most popular thickness for my regular customers\u2014small metal fabricators, general contractors, and even homeowners who do a mix of projects. A 1.8mm blade, for example, is ideal for cutting steel from 2mm to 6mm thick, including studs for interior walls, thin angle iron, and even small stainless steel parts. The body is thick enough to resist flex, which means straighter cuts, and the kerf is wide enough to prevent binding in most standard materials. I often tell new customers starting out that if they\u2019re only going to buy one HSS circular saw blade for general use, this middle range is the sweet spot. It handles the most common jobs without the extra bulk or cost of a thicker blade. For example, a local contractor I\u2019ve worked with for 12 years uses a 2mm blade for everything from cutting 4mm rebar for fence posts to trimming hardwood decking boards, and he swaps it out only when the teeth are worn, not because the blade itself fails.<\/p>\n

Then we get to the heavy-duty thicknesses, for when the job is big, tough, and non-negotiable. These start at 3mm (1\/8 inch) and go up to 5mm (3\/16 inch) for industrial-grade blades. These are for cutting thick steel, heavy rebar, hardwood beams over 100mm thick, abrasive materials like fibreglass or even cast iron. The thicker body of these blades means they can handle the pressure of cutting through dense, tough materials without flexing or warping, which is critical for keeping the cut straight and safe. I supply a lot of these to shipyards and large construction firms that cut thick steel plates and heavy structural rebar. A 4mm HSS blade, for example, is designed to handle cuts in 12mm to 25mm steel, something a thinner blade would never survive. The trade-off here is that these blades are heavier, so they put a little more strain on your saw motor, and they also remove more material in the cut, so you\u2019ll go through more of whatever you\u2019re cutting. But for heavy work, that extra thickness is non-negotiable.<\/p>\n

Wait a second\u2014there\u2019s a myth I need to bust here, because it comes up all the time: thicker is always better. That\u2019s not true. If you\u2019re cutting thin aluminum, a 4mm blade will work, but it will remove way more material than necessary, waste your workpiece, and add unnecessary strain to your saw. I had a customer a couple years back who insisted on buying a 4mm blade for cutting 1mm copper pipe because he \u201cthought it would be stronger.\u201d He sent it back two days later, frustrated, because the pipe kept binding in the cut, and he had to rework every cut to fix the uneven edges. That\u2019s why matching thickness to the job is so important. It\u2019s not about buying the thickest blade you can\u2014it\u2019s about buying the right thickness for the material, the size of your saw, and the type of cut you need.<\/p>\n

Another thing that affects blade thickness, and something I always disclose to customers, is the type of HSS grade we use. Not all HSS is the same. We use M2 grade HSS for most of our general-purpose blades, which is a mix of molybdenum, tungsten, and chromium, and it has a high wear resistance that stays sharp for longer. For our heavy-duty blades, we use M42 grade HSS, which has higher cobalt content, making it harder and more heat-resistant, so the thicker body can handle even more pressure without bending. The grade doesn\u2019t change the thickness rating, but it does change how that thickness performs. A 2mm M42 blade will outlast a 2mm M2 blade on tough materials, so it\u2019s worth the extra cost if you\u2019re doing heavy work. I never cut corners on HSS grade, because if a blade fails mid-job, that\u2019s lost time and money for my customer\u2014and my reputation is on the line.<\/p>\n

Now, how do you check if a blade\u2019s thickness is what it\u2019s supposed to be? A lot of my customers don\u2019t have calipers handy, so I give them a simple trick: hold the blade up next to a ruler. Most standard blades are labeled with their body thickness, but if you\u2019re buying from a third-party supplier, don\u2019t just take their word for it. I\u2019ve seen blades advertised as 1.5mm that are actually 1.1mm, which is a huge difference for performance. Also, check the kerf: if the blade\u2019s kerf is much wider than the body thickness, that means the teeth have an aggressive set, which can help with binding, but too much set will waste material. For precision cuts, you want a smaller set, so the kerf is only slightly wider than the body.<\/p>\n

I also want to mention saw compatibility, because thickness isn\u2019t just about the blade\u2014it\u2019s about your saw. The arbour size (the hole in the middle that attaches to your saw) has to match, but the maximum blade thickness your saw can handle is another important point. Most 185mm circular saws (the most common size for contractors) can handle blades up to 3mm thick. If you have a smaller 165mm saw, you\u2019ll usually be limited to blades 2.5mm or thinner, because thicker blades will put too much stress on the motor and arbour. This is another question I get all the time, and it\u2019s one I always ask customers when they reach out: what size saw do you have, and what will you be cutting? That way, I don\u2019t sell them a blade that won\u2019t work with their equipment, no matter how good the thickness is.<\/p>\n

Over the years, I\u2019ve seen so many jobs go wrong because someone picked the wrong HSS circular saw blade thickness. A framer who used a thin blade for cutting rebar and broke it mid-cut, delaying a job for a full day. A jewelry maker who bought a thick blade for cutting sheet metal, wasting half their material because of the wide kerf. That\u2019s why I make it a point to walk through every customer\u2019s needs with them, not just send a catalog. When someone emails me asking \u201cwhat\u2019s the blade thickness of HSS circular saw,\u201d I don\u2019t just give them a number\u2014I ask them: what material are you cutting? How thick is it? What size saw do you have? How many cuts a day do you make? That\u2019s how we find the right thickness for them, not just the one that\u2019s on the shelf.<\/p>\n

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At the end of the day, HSS circular saw blade thickness is a detail, but it\u2019s a critical one. It affects cut quality, blade longevity, saw performance, and even how much material you waste on every cut. I\u2019ve built my business on being honest about these details, not just selling blades. If you\u2019re not sure what thickness you need, or you have questions about HSS grades, blade sizes, or any other part of sourcing the right HSS circular saw, I\u2019m here to help. We work with small DIYers and large industrial contractors alike, and we can customize blades to fit your exact needs, no matter how big or small the job. Reach out to my team today to discuss your requirements, and we\u2019ll make sure you get the right HSS circular saw blade for every cut.<\/p>\n

TCT Circular Saw Blades for Wood<\/a> References<\/p>\n

    \n
  1. ASM International. (2007). Metallurgy of High-Speed Steels. ASM Handbook, Volume 1: Properties and Selection: Irons, Steels, and High-Performance Alloys.<\/li>\n
  2. Sawblade Technology Association. (2021). Guidelines for Circular Saw Blade Thickness and Kerf Design. Industry Standards for Wood and Metal Cutting Tools.<\/li>\n
  3. National Association of Metal Fabricators. (2019). Best Practices for HSS Circular Saw Blade Selection and Usage. Fabrication Industry Safety and Maintenance Guide.<\/li>\n<\/ol>\n
    \n

    Hangzhou Jinzhi Steel Co., Ltd.<\/a>
    Hangzhou Jinzhi Steel Co., Ltd. is one of the most experienced hss circular saw manufacturers and suppliers in China, also supports customized service. Please feel free to buy discount hss circular saw in stock here from our factory. Contact us for pricelist.
    Address: 21-2-2304, Kangcheng International, Nan Yuan Sub-district, Linping District, Hangzhou City, Zhejiang Province
    E-mail: karen@jinzhi-steel.com
    WebSite:     https:\/\/www.jinzhi-steel.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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