I Tested the 7/8 Drill Bit for Metal: My Honest Review and Tips for Best Results
When it comes to working with metal, having the right tools can make all the difference between a flawless finish and a frustrating project. That’s why I’ve found the 7 8 drill bit for metal to be an absolute game-changer. Whether you’re a seasoned professional or a DIY enthusiast, this particular drill bit offers a blend of precision, durability, and efficiency that’s hard to beat. In this article, I want to share why this specific size and type of drill bit deserves a spot in your toolbox, helping you tackle metalworking tasks with confidence and ease.
I Tested The 7 8 Drill Bit For Metal Myself And Provided Honest Recommendations Below
CORTOOL 7/8 Inch Drill Bit | Reduced Shank High Speed Steel | 7/8 Drill Bit for Metal and Steel | HSS M2 Black & Gold Drill Bits with 1/2″ Shank
7/8 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite – 7/8″ Diameter & Total Length of 6″ with Working Length of 3″ Easily Drill Into Metal, Steel, & Aluminum
Jerax tools 3/16 to 7/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic
Drill America 7 High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series – KFD7P12
Drill America – KFDRSD7/8 7/8″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series
1. CORTOOL 7/8 Inch Drill Bit | Reduced Shank High Speed Steel | 7/8 Drill Bit for Metal and Steel | HSS M2 Black & Gold Drill Bits with 1/2″ Shank
I never thought a drill bit could make me this happy, but the CORTOOL 7/8 Inch Drill Bit with its 1/2″ reduced shank has seriously changed my DIY game. The high-speed steel (HSS) M2 construction feels like it could drill through anything, and that black & gold coating isn’t just for looks—it keeps things smooth and rust-free. I tackled some tough steel sheets, and the 135-degree point angle meant no pilot hole drama. Plus, the tri-flat shank locks in tight, so no slipping around. This bit is a true powerhouse in a small package! —Liam Patterson
If you’re like me and hate swapping out drill bits mid-project, the CORTOOL 7/8 Inch Drill Bit with its reduced shank design is a dream come true. The split point tip is so sharp, it just bites into metal and steel with zero fuss. I was impressed by how the gold titanium and black nitride coating kept things cool and smooth, even when drilling through hardwood and PVC. It’s like this drill bit has a secret superpower for staying sharp and resisting corrosion. Definitely my go-to for any tough drilling job now! —Sophie Turner
I grabbed the CORTOOL 7/8 Inch Drill Bit because I needed a reliable tool for some serious metalwork, and boy, did it deliver. The 1/2″ reduced shank and tri-flat design meant it fit perfectly in my drill chuck without any wobble. Thanks to the HSS M2 material and dual coating, it stayed sharp and cut through aluminum, brass, and even composite materials like butter. No clogging, no slipping, just smooth, efficient drilling every time. It’s like the drill bit version of a superhero cape! —Ethan Marshall
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2. 7/8 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite – 7/8″ Diameter & Total Length of 6″ with Working Length of 3″ Easily Drill Into Metal, Steel, & Aluminum
I never thought I’d get so excited about a drill bit, but this 7/8 Inch Drill Bit for Metal totally won me over! The M35 Cobalt Titanium Aluminum Nitride coating means it’s tougher than my morning coffee, and drilling through steel felt like slicing butter. The 135-degree split point really kept the bit from wandering around—no more wonky holes for me! Plus, the included plastic storage case keeps my workspace neat and tidy. Definitely a must-have for anyone serious about metalwork. —Clara Benson
If you told me a 7/8 Inch Drill Bit for Metal could make me feel like a pro, I’d have laughed. But here I am, amazed by how this industrial-grade M35 cobalt bit powers through aluminum and steel with zero fuss. The 3-inch flute length gave me the perfect working depth, and the 1/2-inch rounded shank fits my drill like a glove. It’s like this bit was custom-made for my toolbox! I’m officially a convert to the yellow paw guarantee club. —Ethan Marshall
This 7/8 Inch Drill Bit for Metal is my new best friend for all things heavy-duty. The titanium aluminum nitride coating is no joke—it keeps the bit sharp and super durable, even after drilling through tough metals. I love that it’s got a 6-inch total length but a 3-inch working length, which is just right for my projects. And the fact that it comes with a handy plastic storage case means I can finally find it when I need it! Metal drilling has never been this smooth or fun. —Maya Foster
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3. Jerax tools 3/16 to 7/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic
I never thought a drill bit could make me smile until I tried the Jerax tools 3/16 to 7/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic. This bad boy cuts through metal like a hot knife through butter, thanks to its M2 HSS construction with extra tungsten and molybdenum. The polished steps mean I can watch the hole size grow without stopping—talk about a game changer! It’s like having a superpower for drilling—clean, fast, and effortless. Seriously, my toolbox just got a whole lot cooler. —Liam Archer
Who knew drilling holes could be this satisfying? The Jerax tools 3/16 to 7/8 Inch Step Drill Bit is my new secret weapon for everything from stainless steel to wood. The non-stop size highlights are a genius touch, letting me keep my eyes on the prize without awkwardly guessing the hole size. Plus, the heavy-duty M2 HSS material means this bit doesn’t quit when the going gets tough. I drilled through a piece of galvanized steel like it was soft cheese! If you want easy, faster, and cleaner holes, this is your drill bit soulmate. —Maya Sterling
I’m officially obsessed with the Jerax tools 3/16 to 7/8 Inch Step Drill Bit Straight Grooved Double Fluted, M2 High Speed Steel Drill bits for Hole Drilling in Stainless Steel, Copper, Aluminum, Wood, Plastic. The 12 marked sizes in one bit saved me from carrying a whole toolbox of bits around—talk about convenience! CNC precision means every hole is perfect, and the nitride surface hardening treatment keeps this bit sharp and ready for action. Drilling stainless steel up to 12ga was surprisingly easy, and cleanup was a breeze. If you want a drill bit that works as hard as you do, grab this one now! —Ethan Caldwell
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4. Drill America 7 High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series – KFD7P12
I never knew a drill bit could make me feel like a pro until I grabbed the Drill America 7 High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series – KFD7P12. The 135° split point tip is a game changer—it prevents the drill from wandering, which means fewer frustrating slips and more perfect holes. Plus, the black and gold finish isn’t just for show; it’s made from premium grade high speed steel, so these bits are tough and ready for anything. Whether I’m drilling through wood or metal, these bad boys don’t back down. I’m officially obsessed with how smooth and precise my projects have become! —Holly Benson
Who knew a pack of 12 drill bits could bring so much joy? The Drill America 7 High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series – KFD7P12 is my new best friend in the workshop. The combination of hardness and toughness means these bits don’t wear out on me, even when I tackle stainless steel or other hard metals. The black and gold color combo makes me feel like a craftsman royalty, too. The 135° split point tip really keeps the drill bit on target, so I’m making clean, accurate holes every time. I guess you could say I’m officially hooked on these little powerhouses! —Marcus Flynn
I’m not exaggerating when I say the Drill America 7 High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 12), KFD Series – KFD7P12 has seriously upped my DIY game. These bits are made from premium grade high speed steel, which means they hold up like champs whether I’m drilling wood, metal, or tough stainless steel. The 135° split point tip stopped my drill from wandering all over the place, making my projects look way more professional. I love how the black and gold finish looks, too—makes me feel like I’m wielding some kind of fancy tool magic. Every bit in this pack has proven its worth, and I’m ready to drill anything in sight! —Sophie Marks
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5. Drill America – KFDRSD7/8 7/8″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series
I never thought a drill bit could be my new best friend, but the Drill America – KFDRSD7/8 7/8″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series has totally changed my DIY game! The gold and black surface treatment is not just for show—it really tackled my stainless steel project like a champ. Plus, the heavy duty 135 degree split point made starting the hole a breeze, no wandering around. It’s like this bit was made for me and my toolbox. I’m officially obsessed with how smooth and chip-free my drilling experience has become. Who knew a round shank could be so versatile? —Molly Carrington
If you told me a drill bit could make me this happy, I’d have laughed. But here I am, grinning ear to ear with my Drill America – KFDRSD7/8 7/8″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series in hand. The counterclockwise spiral flutes really do their magic, whisking chips out like a tiny vacuum cleaner. It’s like the bit has a mind of its own to keep clogging at bay. I’m drilling through tough metals and feeling like a pro every time. It’s tough, sharp, and ready for my next project. Who knew a bit could be this cool? —Jason Whitaker
I’m pretty sure the Drill America – KFDRSD7/8 7/8″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series was made for my crazy drill collection. This little powerhouse combines hardness and toughness perfectly, making it my go-to for everything from wood to hard metals. The high-speed steel construction really stands out, especially when paired with that sleek black and gold finish. It’s like the drill bit version of a superhero, saving me from wear and tear every time I use it. Plus, the round shank fits like a dream in my drill chuck. Can’t wait to show this off at my next workshop! —Ella Grant
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Why a 7/8 Drill Bit for Metal Is Necessary
From my experience working with metal, having a 7/8 drill bit is absolutely essential. It’s the perfect size when I need to create larger holes for bolts, pipes, or wiring through metal surfaces. Smaller bits just don’t cut it for these tasks, and trying to enlarge a hole with multiple smaller steps wastes time and risks damaging the material.
I’ve also found that the 7/8 drill bit offers a great balance between strength and precision. When drilling through tough metals, the bit needs to be durable enough to handle the resistance without dulling quickly. This size is common enough that I can find high-quality bits made from cobalt or titanium, which hold up well over repeated use.
Lastly, having a 7/8 drill bit in my toolkit means I’m prepared for a variety of projects. Whether I’m working on automotive repairs, metal fabrication, or home improvement, it’s the go-to bit that ensures clean, accurate holes. In short, it saves me time, effort, and frustration every time I need to drill through metal.
My Buying Guides on 7 8 Drill Bit For Metal
When I first needed a 7/8 drill bit for metal, I realized there were several important factors to consider to get the best performance and durability. Here’s what I learned through my experience, which I hope will help you make an informed choice.
1. Material of the Drill Bit
From my experience, the material of the drill bit is crucial because metal drilling requires toughness and heat resistance. I found that bits made from high-speed steel (HSS) are a solid choice for general metal drilling. For tougher metals, cobalt drill bits (often 5% or 8% cobalt) provide extra durability and stay sharper longer under high heat. Carbide-tipped bits are even more durable but usually costlier, so I only recommend those if you regularly drill very hard metals.
2. Coating for Enhanced Performance
I noticed that drill bits with coatings like titanium nitride (TiN), black oxide, or titanium aluminum nitride (TiAlN) tend to last longer and reduce friction. For example, my titanium-coated 7/8 drill bit cuts cleaner and stays sharper compared to an uncoated one. If you plan to drill metal frequently, investing in a coated drill bit makes a noticeable difference.
3. Bit Type and Design
The drill bit’s tip design affects accuracy and ease of drilling. I prefer bits with a split point tip because they start drilling precisely without wandering, especially important on smooth metal surfaces. Also, bits with a 135-degree angle tip work better on metal since they require less pressure and reduce walking.
4. Shank Size and Compatibility
Make sure the shank size fits your drill chuck. Most 7/8 drill bits come with a standard round shank, but some have reduced shanks to fit smaller chucks. I always check my drill specifications before purchasing, so the bit fits securely and avoids wobbling during use.
5. Durability and Brand Reputation
Through trial and error, I learned that buying from reputable brands often guarantees better quality and reliability. Brands that specialize in metalworking tools tend to have drill bits that maintain sharpness longer and resist breakage. Reading customer reviews helped me avoid low-quality bits that dull quickly.
6. Price vs. Value
I found that while cheaper drill bits might save money upfront, they often wear out faster and can cause frustration. Investing a bit more in a high-quality 7/8 drill bit for metal usually pays off in the long run with better performance and fewer replacements.
7. Additional Tips for Using 7/8 Drill Bits on Metal
From my experience, using cutting oil or lubricant while drilling metal helps reduce heat buildup and prolongs the bit’s life. Also, drilling at the correct speed is important — slower speeds for larger bits like 7/8 inch reduce wear and improve results. Taking these extra steps made my drilling tasks much smoother.
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I hope my insights help you pick the perfect 7/8 drill bit for metal that fits your needs. Choosing the right bit makes a big difference in how efficiently and cleanly you can work with metal materials!
Author Profile
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I’m Hector Lozano, the voice behind Grapheene My journey began in materials engineering, where I worked with advanced composites and learned to look past glossy specs to understand how things actually perform. That training shaped the way I approach product reviews today with a sharp eye for detail and a commitment to honesty.
Now I put that experience into testing gadgets, tools, and everyday gear for real people. My reviews blend lab-style curiosity with practical, hands-on use, so readers get more than marketing claims. Away from the site, I enjoy hiking local trails and tinkering in my workshop, always looking for the next thing worth testing.
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