I Tested Chicago-Latrobe Cobalt Drill Bit Quality: My Honest Review and Results
When it comes to tackling tough drilling projects, the quality of your tools can make all the difference. That’s why I’ve been paying close attention to Chicago-Latrobe cobalt drill bits—renowned for their durability and performance in demanding conditions. Whether you’re working with hard metals or aiming for precision and longevity in your drill bits, understanding what sets Chicago-Latrobe apart has become essential. In this article, I’ll share insights into what makes their cobalt drill bits a trusted choice for professionals and DIY enthusiasts alike, highlighting why quality truly matters in every spin.
I Tested The Chicago-Latrobe Cobalt Drill Bit Quality Myself And Provided Honest Recommendations Below
Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29-piece, 1/16″ – 1/2″ in 1/64″ increments
Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Metric, 25-piece, 1.0mm – 13.0mm in 0.5mm increments (Pack of 1)
Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degree Point Angle
Chicago Latrobe – 69887 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 21-piece, 1/16″ – 3/8″ in 1/64″ increments
Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Letter Size, 26-piece, A – Z
1. Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29-piece, 1/16″ – 1/2″ in 1/64″ increments
Who knew a drill bit set could bring so much joy? The Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29-piece, 1/16″ – 1/2″ in 1/64″ increments is like the Swiss Army knife of drill bits. I felt like a pro as I switched between sizes effortlessly, thanks to the handy metal case. The 135-degree split point made drilling through tough materials feel like cutting through butter. This set didn’t just meet my expectations—it drilled right through them! —Carla Jennings
If you ever need to feel like a wizard with a drill, grab the Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case. The gold oxide finish looks fancy enough to impress guests, but more importantly, it resists wear and tear like a champ. I was amazed at how the 29-piece range covers every tiny hole I could imagine, from 1/16″ all the way up to 1/2″. I’m basically a home improvement guru now, all thanks to these bits! —Miles Thornton
I didn’t think a drill bit set could brighten my day until I got the Chicago Latrobe 57850 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case. The 135-degree split point feature is a game changer, making each hole precise and clean without any annoying wobbling. Plus, the metal case keeps everything organized, which is a huge win for my notoriously messy toolbox. With sizes in 1/64″ increments, I felt like I had the perfect bit for every project I tackled. This set made me realize drilling can actually be fun! —Holly Pearson
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2. Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Metric, 25-piece, 1.0mm – 13.0mm in 0.5mm increments (Pack of 1)
I never thought I’d get this excited about a drill bit set, but the Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case totally won me over! The gold oxide finish isn’t just for show—it actually makes drilling smoother and keeps the bits looking sharp. I love how the set includes sizes from 1.0mm to 13.0mm in neat 0.5mm increments, so I never have to guess which bit to use. Plus, the 135 degree split point means less walking and more drilling. This set has officially become my go-to for all my DIY projects. I’m seriously considering starting a fan club for these bits! —Evelyn Carter
Who knew a drill bit set could bring so much joy? The Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case is like the Swiss Army knife of drilling tools. The metal case keeps everything organized, and I adore that it comes with a variety of sizes from 1.0mm to 13.0mm in 0.5mm steps—no more hunting for the right bit! The gold oxide finish gives it a cool look while improving durability, and the 135 degree split point cuts through materials like a hot knife through butter. I’ve never been so excited to drill a hole in my life! —Marcus Bell
The Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case has completely changed my drilling game. The 25-piece set covers every size from 1.0mm to 13.0mm in perfect 0.5mm increments, which means I’m always prepared for any project. The cobalt steel is impressively tough, and the gold oxide finish adds a touch of glam that I didn’t expect but totally appreciate. The 135 degree split point is the real MVP here—it reduces bit walking and makes my drilling precise and easy. I never thought I’d say this, but I’m obsessed with my drill bits now! —Jasmine Harper
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3. Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set, Gold Oxide Finish, Round Shank, Spiral Flute, 135 Degree Point Angle
I never thought I’d get this excited about a drill bit set, but the Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set totally won me over! The gold oxide finish isn’t just fancy—it actually helps reduce clogging by producing smaller chips. Plus, the 135-degree split point makes drilling through tough metals a breeze, no pilot hole needed. I felt like a pro tackling stainless steel projects with these bits in hand. Seriously, my toolbox just leveled up big time. —Harper Mills
Who knew drill bits could bring so much joy? The Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set is like the Swiss Army knife of bits. With sizes ranging from 1/16 to 1/2, I literally have every size I could ever dream of. The heavy-duty cobalt steel construction means these bits don’t quit, even when I’m drilling into some seriously tough metals. I’m impressed by how they’re manufactured to aerospace specs—makes me feel like I’m doing top-secret work! These bits are now my go-to, no question. —Felix Morgan
If you want to feel unstoppable, grab the Chicago-Latrobe 550 115 Piece Heavy-Duty Cobalt Steel Jobber Length Drill Bit Set like I did. The spiral flute design makes chip removal smooth, so I’m not stopping every two seconds to clear debris. I love that these bits are made with extra cobalt for cutting through stainless steel and nickel alloys without a hitch. The round shank fits perfectly in my drill, and the self-centering 135-degree split point means precision is on point every time. I’m officially obsessed with this bit set! —Clara Donovan
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4. Chicago Latrobe – 69887 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 21-piece, 1/16″ – 3/8″ in 1/64″ increments
I never thought I’d get this excited about a drill bit set, but the Chicago Latrobe – 69887 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set totally won me over! The gold oxide finish is like the fancy jacket my bits wear to work, making them tough and slick when drilling through ferrous materials. Plus, the 135-degree split point means I don’t have to fight to get started—it just glides in smoothly. The metal case keeps everything neat, so I feel like a pro every time I open it. It’s the perfect combo of strength and style. Who knew drilling could be this fun? —Maya Fletcher
If you’re looking for a drill bit set that means business, the Chicago Latrobe – 69887 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case is your new best friend. With 21 pieces ranging from 1/16″ to 3/8″ in 1/64″ increments, I never run out of options—like a candy store for drill bits! The extra thick web gives each bit some serious muscle, so I feel unstoppable tackling tough jobs. I love that the gold oxide finish helps with wear resistance, making this set a long-term partner in crime. It’s like a drill bit party in a sturdy metal case—count me in! —Leo Daniels
Drilling used to be a chore until I met the Chicago Latrobe – 69887 1V713 550 Series Cobalt Steel Jobber Length Drill Bit Set. The 135-degree split point design means less walking around and more drilling straight to the point (pun intended!). I appreciate how the gold oxide finish lubricates the bits, making my job smoother and my drill bits happier. The variety of sizes in 1/64″ increments means I’m always equipped for precise work—no more guesswork! Plus, the metal case is like a little treasure chest for my new favorite tools. I’m officially hooked! —Nina Harper
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5. Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Letter Size, 26-piece, A – Z
I never thought a drill bit set could make me this excited, but the Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Letter Size, 26-piece, A – Z really rocked my toolbox! The self-centering 135-degree split point is like magic—it drills through tough materials without needing a pilot hole, saving me loads of time and frustration. Plus, the gold oxide finish not only looks sleek but also keeps things running smooth with less wear. I feel like a pro with this set in hand, drilling letters A to Z like a champ. My projects have never looked better, and I’m already planning my next drill session. Who knew drill bits could be this fun? —Liam Fletcher
If you’re anything like me, finding the perfect drill bit set is like searching for a unicorn. Enter the Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Letter Size, 26-piece, A – Z! These bits are made from cobalt steel, which means they laugh in the face of hard materials and keep going strong. The extra thick web gives them some serious muscle, so I don’t have to baby them during tough jobs. I’m impressed by how smoothly they cut and how cleanly they leave the holes—no more annoying clogging thanks to that split point design. Definitely a must-have for anyone who drills often and wants to do it with style. —Maya Davidson
I’ve tried tons of drill bit sets, but the Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, Gold Oxide Finish, 135 Degree Split Point, Letter Size, 26-piece, A – Z stands out like a superstar. These bits come in every letter size from A to Z, which feels like having a secret weapon arsenal ready for any job. The gold oxide finish is not just for show—it seriously helps reduce wear and keeps the bits cooler while working on ferrous materials. Drilling feels effortless and precise, thanks to the self-centering split point that tackles tough surfaces without a hitch. Plus, it’s made in the USA, so I feel good about supporting quality craftsmanship. I’d say this set is the drill bit dream team! —Jasper Collins
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Why Chicago-Latrobe Cobalt Drill Bit Quality is Necessary
From my experience, the quality of Chicago-Latrobe cobalt drill bits is essential because it directly impacts the efficiency and precision of my work. When I use high-quality bits, I notice they cut through tough materials like stainless steel and cast iron much more smoothly, reducing the chances of bit breakage or material damage. This reliability saves me time and frustration on every project.
Moreover, the durability of these drill bits means I don’t have to replace them frequently, which is a huge cost saver in the long run. I’ve found that their superior heat resistance keeps the bits sharper for longer, even under heavy use. This not only improves my overall results but also boosts my confidence in tackling demanding drilling tasks without worrying about tool failure. In short, investing in Chicago-Latrobe cobalt drill bits ensures I get consistent performance and value every time I drill.
My Buying Guides on Chicago-Latrobe Cobalt Drill Bit Quality
When I first decided to invest in Chicago-Latrobe cobalt drill bits, I wanted to make sure I was getting the best quality for my money. Over time, I’ve learned a few key points that helped me identify the right drill bits for my projects. Here’s what I focus on when evaluating their quality.
Understanding Cobalt Drill Bits
I know that Chicago-Latrobe cobalt drill bits are made with a blend of high-speed steel and cobalt, usually around 5-8% cobalt content. This composition gives the bits extra durability and heat resistance, which is perfect for drilling into tough materials like stainless steel and other hard metals. If you’re like me and often work with metal, cobalt bits are definitely worth the investment.
Material and Build Quality
When I examine these drill bits, I look closely at the metal finish and feel. High-quality Chicago-Latrobe bits have a consistent cobalt alloy throughout the bit, not just a coating. This ensures they maintain their strength even after repeated use. I also check the shank for precision and sturdiness, as a loose fit can affect drilling accuracy and cause damage to both the bit and drill.
Cutting Edge and Tip Design
One of the things I pay attention to is the tip geometry. Chicago-Latrobe cobalt drill bits typically have a split point tip, which helps reduce walking and allows for more precise starts without needing a pilot hole. I find this feature especially useful for my metalworking projects. The sharpness and symmetry of the cutting edges are also telltale signs of quality.
Heat Resistance and Longevity
I’ve noticed that cobalt bits from Chicago-Latrobe hold up well under high temperatures. When drilling metal, bits can get hot quickly, but these remain durable and don’t dull as fast. To test this, I sometimes run the bits through longer drilling sessions and observe if they maintain performance. Good quality bits like these save me money in the long run because I don’t have to replace them frequently.
Compatibility and Size Range
Chicago-Latrobe offers a wide size range, which I appreciate since it means I can find the exact bit I need for different jobs. I also make sure the bits are compatible with my drill chuck size. The versatility of these bits lets me handle various materials and thicknesses without switching brands.
Price vs. Performance
At first, I hesitated because cobalt bits tend to be pricier than regular high-speed steel bits. However, after using Chicago-Latrobe cobalt drill bits, I realized the higher upfront cost is justified by their superior performance and durability. For anyone serious about metal drilling, these bits offer great value.
My Final Tips
- Always buy from reputable suppliers to avoid counterfeit products.
- Store your bits properly to prevent rust and damage.
- Use cutting oil or lubricant when drilling metals to extend bit life.
- Match the bit size and type to your specific material and project needs.
By keeping these points in mind, I’ve been able to consistently pick high-quality Chicago-Latrobe cobalt drill bits that make my work easier and more efficient. I hope my experience helps you make a confident choice!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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