Looking for the most effective 1/8 inch metal drill bit? There are numerous options, but we spent many hours researching every model on the market. We narrowed the list during our research by looking for high-performance products. The market is flooded with different models and brands, but not all of them are worth your money.

However, there are so many different product designs, sizes, and prices on the market that choosing just one can be difficult. Fortunately, our selections include a high performer for every occasion and budget. This will help you focus your search and find the 1/8 inch metal drill bit you’re looking for faster. Looking for a more expensive product that may fit your budget is always worthwhile. Browse our selection of products below, and read our buying guide, which explains all the key features to look for.

How we select

There is a wide range of 1/8 inch metal drill bit options available. The internet is littered with dozens of models, each extolling the virtues of their wares. We’ve compiled a list of essential performance factors to help differentiate between the models in this review to help you cut through the jargon and marketing hype. After rigorous testing, we rated each product based on its predetermined durability and weight. You must decide which factors are most important to your experience, and remember that there may be more than one. We have chosen our top picks based on expert recommendations:

  • Size
  • Brand value
  • Features
  • Style
  • Design
  • Longevity
  • Price
  • Warranties
  • Types
  • Specifications
  • Durability
  • Quality
  • Materials
  • Consumer ratings, reviews & many more
Top Choice: 10 Best 1/8 inch metal drill bit on Amazon

List of The 10 Best 1/8 inch metal drill bit Reviews

There are many 1/8 inch metal drill bit options available, but not all of them are of the same caliber. You should be aware of the things to search for when purchasing a new one.

You can use this list to locate the ideal 1/8 inch metal drill bit for your requirements. Additionally, we’ve provided some useful details on how each 1/8 inch metal drill bit functions and what it may accomplish (or not do).

We’ll examine some of the top 1/8 inch metal drill bit reviews in this article. You can use these reviews to determine which 1/8 inch metal drill bit to buy and which ones not to in order to save money.

Bestseller No. 1
15 Pieces Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (1/8 Inch)
  • What you will get: the package contains 15 pieces 1/8 inch cobalt drill bits, sufficient quantity to meet your various needs; Please pay attention to speed, pressure and heat control during drilling
  • Various fitness: M35 high speed steel cobalt drill set is greatly suitable for hardened material and hard metals, such as cast iron, high temperature alloy, hard plastics, stainless steel, titanium alloy, woods, etc., also for soft materials
  • Nice features: the 1/8 inch twist drill bits have precise diameter; M35 cobalt drill bits for hardened metal are not easy to break or wear out, so suitable for lithium electric drill, hand electric drill, impact electric drill, etc.; The size is small, please pay attention to use
  • Creative twist design: metal cobalt drills for hardened steel has 135° split point tip and torsional design to improve cutting speed with self-centering ability; They can avoid walking during work process, while clearing chips and particles more quickly and easily
  • Quality material: the cobalt drill bit set uses cobalt M35 high speed steel as material, this material is durable, strong and practical, with a long service life, heat and abrasion resistance; The cutting edge of drill bit is hardened and honed, with accurate cutting without shaking
Bestseller No. 2
BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit
  • Surface hardened to penetrate tough abrasive materials
  • Available in jobber length, full shank
  • Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
  • Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
  • Rigid, thick web design adds stability to bit in tough applications
Bestseller No. 3
1/8" Cobalt Drill Bits - 13 Pack of M35 Cobalt Drill Bits with Storage Case - Perfect Drill Bits for Metal, Hardened & Stainless Steel, Cast Iron, and More!
  • COBALT DRILL BITS ARE THE PERFECT DRILL BITS FOR METAL - As well as other hard materials such as Stainless Steel, Hardened Steel, Cast Iron, Bronze, Titanium, and More!
  • M35, FULLY GROUND, 135° SPLIT POINT - Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials.
  • LIFETIME GUARANTEE - Here at Owl Tools (USA Based Company) we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.
  • 13 PACK OF 1/8" COBALT DRILL BITS - 1/8" Diameter with a Flute Length of 2-5/8" and Total length of 2-3/4"
  • PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe.
Bestseller No. 4
Sabre Tools 1/8 Inch Cobalt Drill Bits – 5pcs Drill Bits for Metal, M35 Cobalt Metal Drill Bit Set, Split Point Tip Cobalt Drill Bits – Drill Bits for Steel, Hard Metal, Cast Iron (1/8" x 2-3/4")
  • What You Get: This drill bit set for metal includes 5 – 1/8 Inch x 2-3/4 Inch bits of the same size.
  • Wide Range of Applications: Our cobalt drill bits for hardened steel are suitable for hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics and more, and a wide range of applications such as repair, construction, or woodworking.
  • Heavy-Duty Material: Our drill bits for hardened steel feature a heavy-duty construction made with M35 cobalt, which has excellent durability and superior resistance against abrasion and high heat.
  • A Must in Your Tool Box: This cobalt drill bit set is designed to surpass your expectations in terms of durability and performance, ensuring fast and easy penetration through hard metals.
  • Split Point Tip: These cobalt drill bits feature a splint point tip that prevents slipping and can help increase drilling speed while ensuring smooth and easy penetration through hard metals.
Bestseller No. 5
BOSCH TI2135IM 1/8-Inch Impact Tough Titanium Drill Bit,
  • Titanium coating for less friction
  • Designed for heavy-gauge and high-carbon steel
  • Long flutes for effective material removal
  • No skate tip – accurate starts
  • Impact-rated shank for higher torque drill/drivers
Bestseller No. 6
1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12
  • MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
  • APPLICATION: best used for drilling in hard metal, including stainless steel
  • INCLUDE: 12 pieces of 1/8-inch cobalt drill bits with case
  • CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
  • JOBBER LENGTH: 1/8-inch cutting diameter, 1-5/8-inch flute length, 2-3/4-inch overall length, 135 degree split point, straight shank
Bestseller No. 7
1/8 Inch Cobalt Drill Bits - Set of 10 Pcs, BAIDETS M35 High Speed Steel Jobber Drill Bits, Twist Drill Bits Set for Hard Metal, Stainless Steel, Cast Iron, Plastic and Wood
  • 1/8" drill bits for metal is made of M35 cobalt high-speed steel, containing 5% cobalt, which increases wear resistance and durability, and enhances its use efficiency
  • 1/8" Cobalt Drill Bits:10Pcs - 1/8" drill bits(Dia 3.18mm) x1-5/8”(Flute Length 41.28mm). This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and DIY ,household maintenance and repair
  • 135°Quick cut flow point, precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast
  • Fully ground spiral groove design clears particles quickly,decreases friction and heat for faster drilling performance
  • Jobber drill bits are perfect for drilling various materials, such as stainless steel, copper, cast iron, galvanized pipe, aluminum alloy, wood and other soft metals. Not suitable for glass, stone or ceramic materials
SaleBestseller No. 8
DEWALT DW1308-1/8-Inch Titanium Nitride Split Point Twist Drill Bit,Gold
  • The product is manufactured in China
  • Titanium Nitride coating for maximum life
  • Easy to use
  • The product is 1/8" Titanium Nitride Drill Bit
Bestseller No. 9
BECOLLO 1/8 Inch Cobalt Drill Bit Set, M35 Jobber Length Twist Drill Bits,Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron,10 Pieces
  • Fully Grinding Processing makes the surface of drill bit smoother, the friction can be reduced and the cutting speed is faster.
  • 135° Split Point Design improves cutting speed while easy self-centering, prevent walking and skating across the workpiece surface
  • Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible.
  • Made from cobalt(5%) High Speed Steel , increases the wear and heat resistance of drill bit, the life span of drill bit is prolonged.
  • 10pcs of 1/8" cobalt drill bit are packed in a plastic case for easy storage and carrying , manufactured in strict accordance with ANSI B94-11M.
Bestseller No. 10
Drill America - DWDA/CX61/8 1/8" x 6" High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to national aerospace standard 907
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of tool holding systems
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Things to Consider when buying 1/8 inch metal drill bit

We know you’re busy and that shopping isn’t always the most enjoyable activity, so we’ve put together a list of questions to ask yourself before you make a purchase. This way, you can get exactly what you need, no more, no less!

  • Is this product worth the price? This is an important question to ask when shopping for 1/8 inch metal drill bit. Some things are worth paying top dollar for, but other items are not. When considering whether or not something is worth buying, think about how much use you’ll get out of it and if there are cheaper alternatives that do the same thing. Will it last? Is it durable? How long will it last before needing replacement parts or repair services? Is there anything else that will work just as well but cost less?
  • Are there any issues with quality control? If so, who ensures those problems don’t happen again? Are they willing to replace 1/8 inch metal drill bit if they break within a certain time after purchase? Do they have a good track record when it comes to customer satisfaction in terms of complaints made by previous customers?
  • Is the seller reputable? Check out reviews of other people who have purchased from this seller before making your decision. You’ll be able to find out if they’ve been happy with 1/8 inch metal drill bit and service or if any problems needed fixing first before using them again later on down the line, if needed at all times, no matter what happens between now and then without fail every single day without fail.

When you are looking for 1/8 inch metal drill bit, there are several things you should take into consideration.


This is the first thing that comes to most people’s minds when they think about buying 1/8 inch metal drill bit, but it shouldn’t be your only consideration. A product doesn’t have to be expensive to be good quality, but if you’re looking for something that will last and won’t break down on you after one use, it might not be worth buying something super cheap.


Quality is very important when choosing 1/8 inch metal drill bit for yourself or others. You want something that will last long without breaking down or falling apart! If a product has low-quality materials used in its construction, then there’s no way it’ll last very long before breaking down or becoming unusable.


The brand name is an important factor when choosing 1/8 inch metal drill bit. Because some brands are known for making high-quality products, some people aren’t very good at making things that last over time without breaking down or falling apart prematurely.


The last thing you want is your purchase to break down after only one use! Check reviews from other customers who have purchased the same item before buying one yourself to get an idea. Consider how long it lasts under normal use conditions before deciding whether or not it’s worth purchasing.

Do your research

Read reviews from other people who have used 1/8 inch metal drill bit before (on sites like Amazon), so you can find out about any issues or problems that might arise when using the product yourself; this way, when buying something new online or in person, you’ll know whether or not it’s worth buying at all!

Customer service

If something goes wrong with your purchase, it’s important to know that the company will stand behind their product and offer good customer service to make sure everything gets fixed quickly so that you can enjoy using it again!

Last update on 2022-11-27 at 09:20 / Affiliate links / Images from Amazon Product Advertising API