Best Chicago Latrobe Jobber Drill Bits in 2026

This STROTON cobalt drill bit set is a heavy-duty essential for anyone tired of burning through cheap bits when tackling stainless steel. The M42 8% cobalt steel construction reaches a massive 68-70 HRC hardness, meaning these tools handle heat and wear far better than standard high-speed steel. I noticed the 135-degree split point design is a game changer. Instead of the bit grinding sluggishly through metal, it actually slices through, producing long iron chips that indicate a clean cut. While the upfront cost is higher than basic sets, the ability to run three to five times faster makes the cost per hole incredibly low. With 19 pieces ranging from 1mm to 10mm in 0.5mm increments, you have a specialized tool for everything from aluminum to hard metals.

After weeks of use in my workshop tackling heavy-duty metalwork, I can confidently say these STROTON cobalt bits are a serious upgrade over standard high-speed steel. While many brands claim high cobalt content, these are sourced from the manufacturer's own mine to ensure a true 5% cobalt composition with a 68 HRC rating. I put them through the ringer on stainless steel and cast iron, and the split point design prevented the walking and slipping that usually plagues smaller bits. They run significantly faster than my old set, which effectively lowers my cost per hole because they don't burn out or dull after a few stubborn screws. This 13-piece set covers everything from 1/16 to 1/4 inch, making it a reliable kit for anyone serious about drilling through hard metals and hardwood.

After weeks of use on heavy-duty metal fabrication projects, the JEFE HEX cobalt set has proven to be an absolute workhorse in my toolbox. Unlike standard high-speed steel bits that dull the moment they hit stainless steel, these M35 cobalt bits maintain their hardness even when things get hot. The 135-degree split point is a total game-changer because it bites into the material immediately without that annoying tendency to wander across the surface. I particularly appreciate the thoughtful shank design. The smaller bits feature three-flat shanks to prevent slipping in the chuck, while the larger ones use a reduced shank for better compatibility. Even the gold oxide finish feels purposeful, acting as a lubricant to keep the cutting edge sharp through tough jobs in titanium and cast iron.

After weeks of use in my workshop, these DelitonGude M35 cobalt bits have proven to be an absolute workhorse for heavy-duty tasks. The 5% cobalt composition and full-grinding nitriding make a massive difference when you are pushing through tough materials like stainless steel, cast iron, or galvanized pipe. I was particularly impressed by the 135-degree tip and twist design. It stays centered and prevents that frustrating bit-walking that ruins precision work. The spiral groove does a fantastic job of clearing chips quickly, which keeps the heat down. While they bite into metal incredibly fast, just remember to use a drilling press and manage your RPMs when tackling the harder alloys to get the best lifespan out of them.

You might wonder if a premium price tag actually translates to better performance in the workshop, but this Chicago Latrobe cobalt steel set proves the investment is worthwhile. While standard high-speed steel bits often struggle or dull quickly against tougher metals, these jobber length bits are built for longevity. The 135-degree split point is a total game-changer because it bites into hard materials immediately without needing a pilot hole, and the gold oxide finish keeps things running smoothly on ferrous metals. I particularly noticed the extra thick web construction, which adds a level of rigidity you just don't get with cheaper alternatives. It is a robust, American-made collection that covers everything from 1/16" to 3/8" in precise 1/64" increments.

Every home workshop and professional machine shop needs a reliable set of jobber length bits that won't quit when the metal gets tough. This 13-piece Chicago Latrobe set is built for exactly that kind of versatility, covering the essential 1/16" to 1/4" range in precise 1/64" increments. The high-speed steel construction offers the hardness required for serious wear resistance, while the black oxide finish is a game-changer for managing heat and promoting smooth chip flow through ferrous materials. Because these feature a 118-degree conventional point and a midrange drilling depth, they are incredibly dependable for general-purpose applications. Plus, knowing these are made in the USA adds a layer of confidence to the build quality that is hard to find in cheaper, mass-produced alternatives.

This WildBossy 115-piece cobalt drill bit set is a heavy-duty powerhouse designed to tackle the toughest metalwork tasks with ease. Unlike standard high-speed steel bits that dull quickly against hardened surfaces, these M35 cobalt bits are engineered with molybdenum to reach a 67 Rockwell hardness, promising up to twelve times more longevity. I was particularly impressed by the 135° split point design, which effectively prevents the bit from walking across your workpiece, ensuring a precise start every time. Whether you are drilling through stainless steel, cast iron, or aluminum, the gold oxide surface and precision-ground twist design keep chip removal efficient. The organized metal indexed case makes managing the massive selection of fractional, letter, and numbered sizes incredibly straightforward for any professional workshop.

This Chicago Latrobe 26-piece drill bit set stands as a reliable cornerstone for any workshop requiring precise letter-sized drilling. Because these bits are crafted from high-speed steel, they offer the essential hardness needed to resist wear during repetitive tasks. The black oxide finish is a standout feature here, as it doesn't just protect the metal. It actively assists with chip and coolant flow when you are working through ferrous materials. Each jobber length bit features a 118-degree conventional point, making them incredibly versatile for general-purpose drilling at midrange depths. Knowing these are made in the USA adds a layer of confidence to the kit, which arrives neatly organized in a sturdy metal case covering everything from size A through Z.

Most hobbyists settle for brittle bits that wander across the workpiece, but these Chicago Latrobe jobber length bits provide the stability required for serious metalwork. I found the 135-degree split point to be a massive advantage because it bites into hard materials immediately without needing a pilot hole to guide it. The high-speed steel construction feels incredibly durable, and the black oxide finish isn't just for show. It actually helps with chip flow and keeps things cool when you are working through ferrous metals. Since they use a standard round shank, they fit perfectly into my existing drill chucks without any hassle. For a pack of twelve, these are a reliable staple for any shop looking for American-made precision.

Most drill bits wander or require excessive downward pressure, but the Chicago Latrobe 150ASP set is engineered to bite immediately and stay on track. These aren't your standard hardware store bits. They are manufactured to NAS 907 Type B aerospace specifications, which makes a massive difference when you're working through tough materials. The 135-degree P3 split point is a game changer because it self-centers, reducing the thrust you need to apply and preventing that frustrating bit-walking. I was particularly impressed by the steam oxide treatment. The black oxide finish doesn't just protect the high-speed steel. It actually creates tiny surface pockets that hold coolant right where it's needed most at the cutting edge. For a 29-piece set covering 1/16 to 1/2 inch, the heavy-duty construction feels incredibly professional.

Most people assume a drill bit's longevity depends solely on the metal, but the surface treatment is actually what keeps your project moving. This Chicago Latrobe 21-piece set utilizes a black oxide finish that does more than just look professional. It actively promotes chip and coolant flow while significantly reducing wear when you're working through ferrous materials. These high-speed steel bits feature a 118-degree conventional point, making them the versatile workhorses for general-purpose drilling. Because they are jobber length, you get that perfect midrange depth for most standard tasks. It is rare to find a comprehensive set ranging from 1/16" to 3/8" in 1/64" increments that is actually manufactured in the USA, making this a reliable choice for any serious workshop.

Chicago Latrobe 150 High-Speed Steel Drill Bits deliver exceptional durability through a specialized black oxide finish. I found these 3/32" bits to be incredibly reliable for general-purpose tasks, especially when working with ferrous materials. The black oxide coating isn't just for show. It actively promotes smoother chip and coolant flow while significantly reducing wear during operation. Because they feature a jobber length, you get a versatile midrange drilling depth that works for most standard applications. The 118-degree conventional point and round shank make them compatible with almost any standard drill chuck you have in your workshop. It is refreshing to find a high-quality, USA-made tool set that provides this level of consistent performance for a very reasonable price.

You are halfway through a precision metal fabrication project when your standard bit wanders off-center or snaps under the pressure of a hard steel plate. That is exactly where the Chicago Latrobe 150ASP series earns its keep. These high-speed steel bits feature a 135-degree split point that bites into tough ferrous materials immediately, eliminating the frustrating need for a pilot hole. I noticed the extra thick web construction provides a level of rigidity that prevents the snapping common with thinner, cheaper alternatives. The black oxide finish isn't just for show. It actually helps manage chip flow and coolant during heavy-duty drilling. This 21-piece set, spanning from 1/16" to 3/8" in 1/64" increments, arrives in a sturdy metal case that keeps your workspace organized and your bits protected.

The BLEKOO M35 Cobalt Set is a top-tier choice for metalworkers who need to tackle stainless steel and hardened metals without constant bit failure. After putting these through their paces, the standout feature is the 135-degree split point, which bites into the material immediately and prevents that frustrating 'walking' across the workpiece. Because they are crafted from industry-grade 6542 high-speed steel with a 5% cobalt boost, they feel significantly more durable than standard HSS sets. The twist design is efficient at clearing chips, keeping the holes clean and the drilling process fast. Having 29 sizes ranging from 1/16 to 1/2 inch in a sturdy metal case makes this a comprehensive, professional-grade kit for any serious workshop.

You might assume a pack of twelve small-diameter bits is just another commodity expense, but these Chicago Latrobe jobber length drills prove that specialized coatings actually matter. After testing these in various setups, the Titanium Nitride coating stands out as the real hero, providing a significant boost in hardness that keeps the bits sharp even when working through tougher ferrous materials. The 118-degree conventional point and round shank design make them incredibly versatile for standard drill chucks, while the high-speed steel construction ensures they don't dull prematurely. Because they are made in the USA, you get a level of consistency in the metallurgy that budget alternatives often lack. They are reliable workhorses for anyone needing precise, mid-range depth drilling without constant bit replacements.

Most people assume a standard high-speed steel bit is enough for a quick hole, but the TiCN coating on this Chicago Latrobe jobber length bit changes the math entirely. While standard titanium coatings are common, the Titanium Carbon Nitride here is significantly harder, making it a much more resilient choice when you are cycling through both ferrous and nonferrous materials. I found the 135-degree split point particularly impressive because it bites into tougher surfaces without requiring you to pre-drill a pilot hole. The round shank makes it compatible with almost any standard drill chuck, and since it is made in the USA, you can feel the manufacturing quality in the HSS hardness. It is a specialized tool that performs like a premium industrial component.

Standard high-speed steel bits often struggle when you need to push through high feed-rate applications without losing stability. This Chicago Latrobe jobber length bit solves that by pairing a robust HSS body with a brazed carbide tip, giving you the extra strength required for demanding tasks. The 118-degree conventional point makes it a reliable workhorse for general-purpose drilling, while the midrange depth ensures it handles various material thicknesses with ease. Since it features a bright, uncoated finish and a standard round shank, it slots right into your existing drill chucks without any fuss. It is a solid, American-made tool that balances specialized carbide durability with the versatility of a traditional jobber length design.

The unmistakable gleam of bright, uncoated high-speed steel tells you immediately that these aren't your standard hardware store bits. This 29-piece Chicago Latrobe set is a specialized toolkit designed for the frustrating moments when a screw snaps off deep inside a workpiece. Because they feature a left-hand helix, these bits actually drill in a counterclockwise direction, allowing you to back out broken fasteners rather than driving them deeper. The jobber length and 118-degree conventional points make them versatile enough for various drilling tasks, while the HSS construction ensures the hardness needed for lasting wear resistance. It is a professional-grade solution for anyone working with soft metals who needs a reliable way to handle extraction and precision drilling in one organized package.

After weeks of use in various workshop projects, this Chicago Latrobe jobber length bit has proven to be a reliable workhorse for my general-purpose drilling needs. The high-speed steel construction provides the necessary hardness to handle repetitive tasks, but the real standout is the Titanium Nitride coating. This coating significantly boosts wear resistance and extends the tool's life when I am working through tougher ferrous and nonmetallic materials. I particularly appreciate the 135-degree split point, which allows the bit to bite into hard surfaces effectively without the constant frustration of needing a pilot hole. Since it features a standard round shank, it fits perfectly into my existing drill chucks without any compatibility issues. It is a solid, American-made tool that delivers consistent performance.

Machinists who demand precision without the constant headache of bit failure need to stock up on this Chicago Latrobe pack immediately. These jobber length bits strike that perfect balance for general-purpose drilling, offering enough depth for most standard tasks without being overly cumbersome. The TiAlN coating is the real standout here, providing a rugged layer of wear and corrosion resistance that holds up beautifully during high-speed or heavy feed-rate operations. I was particularly impressed by the 135-degree split point, which bites into hard materials effortlessly without requiring a pilot hole first. Because they feature a standard round shank and are manufactured right here in the USA, you can trust they will fit your existing chucks and stand up to professional workloads.

Why settle for dull bits that wander across your workpiece when you can use a tool designed for precision? These DelitonGude drill bits are a serious upgrade for anyone tackling tough materials like stainless steel, cast iron, or galvanized pipe. Because they are forged from M35 high-speed steel with a 5% cobalt blend, they handle heat and friction much better than standard bits. The 135-degree tip and twist design are game-changers, providing excellent self-centering capabilities that prevent the bit from walking during the initial bite. I noticed the spiral groove does a fantastic job of clearing chips quickly, which keeps the drilling process smooth. Just remember to use a drilling press to control your RPM when working through particularly hard metals to get the most out of them.

Standard drill bits often dull instantly when they encounter heavy-duty metals, leaving you frustrated and stuck mid-project. These DelitonGude bits solve that fatigue through an M35 high-speed steel construction reinforced with 5% cobalt for superior heat resistance. During testing, the 135-degree tip and spiral groove design worked effectively to prevent walking and ensure smooth chip removal. Whether you are working through stainless steel, cast iron, or aluminum alloy, the sharpness remains impressive. I found that using a drilling press to control the RPM is essential for getting the most out of them when tackling harder materials. They are a reliable, time-saving addition to any toolbox, whether you are handling professional fabrication or simple household repairs.

Precision meets massive scale in this Chicago Latrobe 118-piece metric drill bit collection, a professional-grade investment that delivers incredible versatility for any serious workshop. Because these bits follow the DIN 338 standard and utilize high-speed steel, you can trust them to maintain their edge even during heavy-duty use. The black oxide finish is a standout feature here, as it doesn't just protect the metal but actually helps with chip and coolant flow when you're working through tough ferrous materials. With increments as fine as 0.1mm ranging from 1.0mm up to 13.0mm, you won't be hunting for that one specific size mid-project. It is a robust, American-made kit that feels built to last a lifetime of drilling.

After weeks of use in my workshop, these VALYRIANTOOL drill bits have proven to be a reliable staple for heavy-duty tasks. The black gold high-speed steel is the real standout here, offering much better heat resistance and structural integrity than your standard HSS bits when pushing through tougher materials. I particularly appreciated the 135-degree split-point design, which bites into the work surface immediately and prevents that frustrating wandering that leaves unsightly scratches. The jobber length is perfectly scaled to provide maximum support without bending under pressure, and the 3-flat shank ensures they fit securely in almost any machine. Even the PVC pocket packaging is a thoughtful touch, keeping the six-piece set organized and protected from moisture.

Deep-hole drilling through thick ferrous metal often leads to snapped bits or clogged flutes, but these Chicago Latrobe jobbers change the math. I put these 9/64" bits to the test, and the wide parabolic flutes are the real stars here, pulling coolant through and clearing chips far more effectively than standard geometry. The TiCN coating adds a layer of hardness that outperforms traditional TiN, making them incredibly resilient when hitting tougher materials. Because of the 135-degree notched point, I didn't have to waste time prepping a pilot hole. They bite into the surface and stay centered immediately. It is rare to find American-made high-speed steel tools that handle deep-reach applications with this much rigidity and precision.

The Chicago Latrobe 150L left-hand flute drill bit is a specialized powerhouse designed specifically for the headache of broken screw removal. While most jobber length bits are built for standard forward drilling, this high-speed steel set features a unique counterclockwise helix that makes extracting snapped fasteners much easier. The 118-degree conventional point and midrange drilling depth make these highly versatile for general-purpose applications, even without a specialized coating. Since they are manufactured in the USA, you can trust the durability of the HSS construction for consistent wear resistance. It is a practical, no-frills pack of twelve that provides exactly what you need when a standard bit just won't cut it.

Most hobbyists settle for soft, low-grade bits that wander off-target or dull after a single heavy session, but this Chicago Latrobe jobber bit is built for actual precision. The high-speed steel construction handles heat much better than standard consumer-grade alternatives, which is vital when you are trying to maintain a clean hole through tougher materials. I found the spiral flute design works effectively to clear debris, preventing the bit from binding up mid-cut. The oxide finish adds a layer of professional durability, and the standard point geometry ensures a reliable start without excessive walking. It is a straightforward, no-nonsense tool that feels substantial in the hand and performs exactly as a professional-grade bit should.

Precision-focused machinists and hobbyists working with tight tolerances will find this Chicago Latrobe set indispensable for small-diameter tasks. Unlike standard uncoated bits that dull quickly, these high-speed steel jobber length bits feature a Titanium Nitride coating that significantly boosts hardness and tool life when drilling through ferrous and nonmetallic materials. The 118-degree conventional point is the sweet spot for general-purpose drilling, providing a reliable entry point for most common applications. Because this 20-piece set focuses specifically on wire gauge sizes from #80 to #61, it eliminates the guesswork of finding exact increments for delicate work. Having these American-made tools organized in a dedicated metal case makes them a professional-grade addition to any workbench where accuracy is non-negotiable.

Most DIYers settle for standard HSS bits that dull the moment they hit stainless steel, but the COMOWARE Cobalt set is built for much tougher battles. I found that the 5% cobalt M35 composition makes a massive difference when you're working through hardened metals like cast iron or titanium alloys. The 135° split point is a game changer because it stops the bit from walking across your workpiece, allowing for a much cleaner start. Thanks to the precision-ground twist design and gold oxide finish, chip evacuation is smooth and fast, which prevents overheating. Whether you are drilling through hard plastics or heavy-duty alloys, this 15-piece jobber length collection feels professional and reliable for serious shop work.