Best Greenlee Saws in 2026

You are halfway through a fabrication project involving thick stainless steel plating when your standard bi-metal bit finally gives up the ghost. That is exactly where the ASNOMY TCT kit steps in to save the day. These cutters utilize a unique three-blade design—incorporating outer, middle, and inner blades—to bite through hard metals like iron and cast iron with surprising efficiency. I was impressed by the precision of the tungsten carbide teeth, which deliver clean, round holes without the typical tearing seen in lesser sets. The kit is incredibly comprehensive, arriving in a sturdy aluminum case with two extra titanium-plated pilot bits and hex wrenches. Whether you are using a magnetic drill or a standard handheld electric drill, the build quality feels professional enough for serious workshop tasks.

The GSTK Carbide Hole Saw Set is a powerhouse for anyone tackling serious metalworking projects. I was particularly impressed by the TCT carbide construction, which provides the hardness needed to bite through 3mm stainless steel and 15mm iron plates without breaking a sweat. The design features a unique tipped tooth blade for faster cutting and double round circles that make clearing out metal filings much easier. It is a comprehensive 14-piece kit that includes twelve different sizes, two extra titanium-plated pilot drills, and two L-wrenches, making it compatible with everything from portable hand drills to bench drills. Just remember to use a coolant during high-speed runs to keep things running smoothly and stay safe with your goggles and gloves on.

The Mollom TCT Carbide Hole Saw Kit stands as a top-tier choice for metalworkers tackling demanding industrial tasks. After testing its performance on various surfaces, the standout factor is clearly the high-grade titanium-plated cemented carbide teeth. These teeth provide incredible hardness and wear resistance, allowing you to slice through stainless steel, iron, and aluminum with minimal effort. Whether you are using a handheld electric drill or a magnetic drilling machine for HVAC applications, the precision is noticeably sharp and consistent. The set is impressively comprehensive, providing nine different cutter sizes ranging from 16mm to 48mm, alongside necessary pilot bits and hex keys. It is a rugged, rust-proof solution that turns difficult metal drilling into a smooth, professional-grade process.

HVAC professionals and industrial metalworkers require a cutting solution that won't quit halfway through a stainless steel plate, and this Mollom kit delivers exactly that level of grit. I found the titanium-plated cemented carbide teeth to be the real standout here, providing a level of hardness that makes slicing through aluminum, iron, and alloy steel feel surprisingly controlled. The kit is impressively comprehensive, coming with ten different cutters ranging from 14mm to 60mm, alongside the necessary pilot bits and hex keys to get straight to work. Whether you are using a handheld electric drill or a heavy-duty magnetic drilling machine, the impact resistance ensures you get a smooth, precise cut without constant tool fatigue. It is a heavy-duty essential for anyone tired of dull, cheap saws that struggle with hard metals.

Most DIYers settle for flimsy pilot bits that wander off-center, but the Mollom titanium-plated set provides the stability needed for precision hole sawing. These bits are specifically engineered to pair with Mollom carbide hole cutters, ensuring a seamless workflow. Built from high-quality steel with a durable titanium coating, they are designed to handle the rigors of repetitive drilling. You do need to handle them with care, though. Because the material is exceptionally hard, they are also quite brittle. I found that keeping the drill perfectly straight and avoiding any sideways twisting is essential to prevent breakage. At just under ten dollars for a three-piece pack, it is a practical upgrade for anyone looking to improve their cutting accuracy.

Most people assume cutting through stainless steel requires heavy industrial machinery, but this DKIBBITH kit proves a handheld drill can handle the heavy lifting. The tungsten carbide-tipped teeth are the real stars here, specifically designed to bite into tough materials like copper, aluminum, and even mild steel up to 5mm thick without immediate degradation. I found the inclusion of a split point pilot drill bit particularly helpful because it eliminates that frustrating bit-walking stage, ensuring your hole starts exactly where you intended. The setup feels professional thanks to the ejection spring that pops out slugs easily, and the semi-transparent case keeps everything organized. Whether you are running conduit or working with brass sheet, this set offers a level of precision that feels much more expensive than its actual price point.

Standard drill bits often fail or dull instantly when you try to bore through tough stainless steel or thick iron. The JOERIC 8-piece set addresses this frustration by utilizing high-grade tungsten carbide tipped cutters and titanium-plated teeth that maintain their hardness even under heavy use. During testing, the unique tipped tooth blade design provided a significantly smoother and faster cutting experience across various materials like aluminum and FRP. The dual-circle design is a clever touch, as it helps clear out metal filings and facilitates efficient cooling. While you'll want to keep some lubricant or water handy to prevent overheating during continuous high-speed runs, the versatility of having eight distinct sizes—ranging from 15mm to 60mm—makes this a reliable companion for any bench drill or portable hand drill setup.

Most people assume a hole saw is only as good as its diameter, but the real magic in this CENYB kit lies in the tooth count. With 11 TCT carbide teeth packed into a 52mm frame, this tool bites into tough materials much faster than standard alternatives. I found the build quality impressive for the price point, especially since the high-quality carbide is designed to be rust-proof and incredibly sturdy. It handles stainless steel, aluminum, and even wood with surprising ease, provided you stay away from masonry or stone. The inclusion of two titanium pilot drill bits and a hex wrench in a dedicated plastic box makes it a complete, ready-to-work solution for metal fabrication or DIY projects.

You are halfway through a precision metal fabrication project when you realize your standard bi-metal saw is struggling to bite into a thick sheet of stainless steel. This CENYB carbide hole saw changes the math immediately with its aggressive 15-tooth TCT design that eats through aluminum, iron, and metal with surprising speed. I found the 76mm diameter perfect for standard conduit or plumbing runs, and the inclusion of two titanium pilot bits means you aren't left scrambling for replacements mid-job. The 10mm shank feels secure in the drill, and the 25mm depth is ideal for most sheet metal and wood applications. It arrives neatly organized in a plastic storage box with a hex wrench, making it a reliable, no-nonsense addition to any metalworking kit.

The aggressive bite of the three-tooth carbide edge is the first thing you notice when this tool meets metal. Unlike standard hole saws that struggle and overheat, this CENYB kit feels purpose-built for high-resistance materials like stainless steel and aluminum alloy. I was impressed by how the TCT carbide construction handles the heat, maintaining a sturdy, rust-proof profile even after repeated passes through iron. The package is surprisingly comprehensive for the price, providing two titanium pilot drill bits and a hex wrench all tucked into a practical plastic storage box. It delivers a clean 13mm cut through wood and plastic just as easily as it tackles harder metals, making it a reliable addition to any serious toolbox.

The Vearter TCT Hole Saw Kit stands out as a heavy-duty essential for metalworkers needing precision across a wide range of hard materials. After testing its capabilities, the industrial-grade carbide teeth proved their worth by slicing through stainless steel and aluminum with surprising ease and minimal wear. The kit is incredibly comprehensive, offering ten different sizes ranging from 5/8'' to 2'' and including a titanium-plated pilot bit to keep everything stable. I was particularly impressed by the smooth cutting quality, which avoids the jagged edges often seen with lesser bits. Whether you are using a handheld drill or a magnetic drill in a shipbuilding environment, the robust construction handles high-impact tasks without breaking a sweat. Everything stays organized in a sturdy aluminum case, making it a professional-grade setup for serious metal processing.

Most DIYers settle for standard bi-metal saws that struggle and overheat the moment they hit stainless steel, but the Luomorgo TCT carbide hole saw is built for much tougher encounters. I found the unique three-blade design—incorporating outer, middle, and inner blades—to be a game changer for maintaining accuracy and speed during heavy-duty cuts. Because it uses industrial-grade carbide steel with titanium-plated teeth, it bites into hard metals like carbon steel and aluminum without the typical frustration of a dulling edge. The kit is surprisingly comprehensive, arriving with two gold titanium-plated pilot bits and an allen wrench to get you working immediately. Whether you are using a handheld electric drill or a CNC setup, this tool provides the precision needed for clean, professional holes through metal and wood alike.

Hole saws often wander or slip when you first attempt to bite into hard materials, making these pilot drill bits an essential fix for precision drilling. This 10-piece set from JOERIC is specifically designed to stabilize your TCT carbide hole saws, ensuring the bit stays centered during the most critical part of the cut. Crafted from high-quality 6542 steel and finished with a titanium plating, these bits are built to handle demanding tasks like drilling through stainless steel, cast iron, and square tubing without premature wear. Each bit measures 68mm in length with a 6mm diameter, providing a consistent standard for your workshop. Just remember to keep your drill straight to avoid any sideways swinging, as these are optimized for metal and wood rather than masonry or stone.

Why settle for a wandering hole saw when a stable pilot bit can make the difference between a clean cut and a ruined workpiece? The Mgtgbao 10-piece set is specifically designed to pair with TCT carbide hole saws, providing the necessary guidance for precision drilling. Constructed from 6542 steel with a titanium coating, these bits are built to withstand the friction of drilling through tough materials like stainless steel, cast iron, and square tubing. The 68mm overlength design helps navigate deeper materials, while the 6mm shank ensures a standard fit for your setup. While they excel in metal, wood, and FRP, keep in mind they aren't meant for masonry or stone. Having a ten-pack on hand means you won't be left stranded mid-project when a bit finally wears down.

Why settle for dull, struggling bits when you can slice through stainless steel with precision? The JOERIC carbide hole saw kit is a serious upgrade for anyone tired of fighting through tough metals. These cutters feature high-grade TCT carbide and titanium-plated teeth, which provides the hardness needed to handle iron, aluminum, and even FRP without immediate degradation. I noticed the unique tipped tooth blade design really helps speed up the cutting process, making it compatible with everything from portable hand drills to bench drills. The double round circle design is a smart touch for clearing out metal filings and keeping things cool. Just remember to keep some lubricant or water handy during high-speed runs to prevent overheating and keep those edges sharp.