Best Black Oxide Installer Drill Bits in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Black Oxide Installer Drill Bits

BOSCH 91-Piece Drilling and Driving Mixed Set MS4091
#TOP1
Bosch 91-Piece Drilling And Driving Mixed Set Ms4091
9.9
PM SCORE
BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit
#TOP2
Bosch Co2135 1/8 In. X 2-3/4 In. Cobalt
9.8
PM SCORE
BOSCH TI21A 21-Piece Titanium Drill Bit Set
#TOP3
Bosch Ti21A 21-Piece Titanium Drill Bit Set
9.8
PM SCORE

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Summary of the Best Black Oxide Installer Drill Bits of 2026

Bosch 91-Piece Drilling And Driving Mixed Set Ms4091

BOSCH
MS4091
12.50 X 9.25 X 2.75 Inches
1.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Versatile: This set includes a wide variety of both driver bits and drill bits as well as a selection of accessories to help assist in a number of drilling and fastening applications

Quality: The included driver bits feature designs to lessen damage to the screw head and provide better bit gripping Power; The split drill bit tips provide easy drilling starts and are ideal for a variety of applications such as wood, metal, masonry and more

Convenience: With such a wide variety of bits and accessory options, this set is deal for everyday tasks from the garage to the workshop to the home

Portable: Includes a tough job site case for secure storage, easy access, organizing and portability; The set includes removable components so you can take the range of bits wherever you need them for carry along convenience

All in One : 1 inch Insert Bits, 2 inch Insert Bits, Nut Setters, Countersink, Bit Holder, Rachet Screwdriver, Magnetic Extension Pen, Titanium Drill Bits, Rotary Masonry Drill Bits, Brad Point Bits

Bosch Co2135 1/8 In. X 2-3/4 In. Cobalt Drill Bit

BOSCH
CO2135
0.15 X 1.80 X 5.80 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

Bosch Ti21A 21-Piece Titanium Drill Bit Set

BOSCH
TI21A
1.00 X 4.00 X 8.00 Inches
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

No-skate tip for clean and accurate starts

Titanium coating generates less friction for 2X longer life

Three-flat shank promotes better grip on bits 3/16-Inch and larger

High visibility marking provides clearly marked diameter

Universal drilling applications designed for general-purpose use

Included bit sizes: (2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Bosch Co14B 14-Piece Cobalt M42 Metal Drill Bit Assorted Set

BOSCH
CO14B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
1TopTools 9.66

Features

Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum

Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits

High-heat resistant bits – withstand high-temperature applications for extended periods of time

Thick web-helix design – provides additional stability in tough applications

Surface-hardened tip – penetrates tough abrasive materials

Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"

Bosch Ti5Im 5-Piece Impact Tough Titanium Drill Bit Set

BOSCH
TI5IM
2.85 X 0.60 X 5.25 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

No skate tip – accurate starts

Designed for heavy-gauge and high-carbon steel

Long flutes for effective material removal

Impact-rated shank for higher torque drill/drivers

Titanium coating for less friction

Co-Z Step Drill Bits, Hss 5Pcs Titanium Step Drill Bit Set, 50 Sizes In 5 High Speed Steel Unibit Drill Bits Set For Sheet Metal With Aluminum Case, Multiple Hole Stepped Up Bits For Diy Lovers

CO-Z
CO-Z SDB-0000
4.33 X 1.57 X 6.10 Inches
1.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Banyan Imports 9.90

Features

Extreme Durability: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.

Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.

Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).

Use Center Punch to Mark the Spot: Please mark the spot that you are to drill for easier drilling and improved drill bits life.

Keep Your Step Drill Bits Well Organized: All the bits come in a well-organized case for easy transport and storage.

Bosch Co2143 1/4 In. X 4 In. Cobalt Drill Bit

BOSCH
CO2143
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Surface hardened to penetrate tough abrasive materials, Cuts through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel

Available in jobber length, full shank, Drill Point Angle is 135 degrees, Surface Coating is uncoated (bright finish), Bit type is Twist

Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium

Bosch Co2139 3/16 In. X 3-1/2 In. Cobalt Drill Bit

BOSCH
CO2139
5.90 X 1.80 X 0.21 Inches
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

Neiko 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills With Titanium Nitride Coating, Reverse-Twist Drill Bits, Sae Sizes, 15-Piece Set

NEIKO
10037A
14.17 X 9.06 X 7.87 Inches
2.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

TWIST DRILL-BIT SET: Each steel drill bit features an angled tip, a twist style, and a 135-degree split point for precise self-centering. Designed to increase cutting speed, these drill bits prevent walking to quickly clear chips and particles.

QUALITY TITANIUM BITS: These drill bits are constructed of high-speed steel with a titanium nitride coating, providing a high surface hardness to help penetrate tough materials. The steel also reduces friction between the bit and the workpiece.

VERSATILE LEFT-HAND PIECES: The special left-hand design is ideal for use with reversible drills with screw extractors to remove broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more.

THE RIGHT SIZE: Our versatile left-hand drill-bit kit is available in 5-piece, 13-piece, and 15-piece SAE sets. Choose the high-speed drill-bit set that fits your screw-extractor needs. Each set makes a great addition to automotive or home tools.

ALL-IN-ONE SET: This kit arrives with the drill bits arranged in a high-impact metal index storage case. Each bit has a specific size slot for quick identification and easy organization, portability, and security in your home, garage, or workshop.

Enertwist Titanium Drill Bit Kit Set For Metal And Wood 230-Piece - Coated Hss Conventional 118 Deg Tip From 3/64Inch Up To 1/2 Inch, Et-Dba-230A

ENERTWIST
ET-DBA-230A
10.00 X 8.80 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ENERTWIST 9.84

Features

Full size set kits includes from 3/64-inch to 1/2-inch in tough plastic case

Titanium coating reduces heat buildup for longer life, lasts X 6 more than conventional bits

Multipurpose use ideal for drilling in metal, wood, fiber glass and plastics, not for use on concrete or masonry

Well orgnized all sizes are indexed on tray to keep all components organized, with sponge cushion between the upper and lower halves to avoid bits straggling and mixing

Premium material manufactured from high speed steel for strength and durability

Anfrere 29Pcs Cobalt Drill Bits Set, M35 Drill Bits For Cutting Hard Metal Hardened Steel Wood, Three Flute 1/16 To 1/2 Inch Twist Drill Bit Set For Corded Or Cordless Power Drills Home Tools, 1029…

ANFRERE
CBT1029
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TOOLCOX INC 9.89

Features

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF, for much faster cutting and extra longer life span when compared with an average HSS drill bit.

MULTIPLE APPLICATION - Perfectly suitable for drilling hard metal such as stainless steel, cast iron, high temperature alloy, titanium alloy. Moreover, they can also be applied to cutting duroplasts, wood and some other soft materials.

SMOOTHLY DRILLING - The split point design increases the cutting edge on the tip, and the blunter 135° angle means more of the cutting edge touches the surface sooner. The grooves on the sides of the bits’ twisted shanks will bring metal shavings up and out of the hole as you drill.

EFFICIENCY - Working with stationary drill ensures better finish on chamfers but they can be used with hand drills as well for countersinking in any hard or soft metal and any type of wood.

29PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes from 1/16 to 1/2 inch increments.

Uxcell 29Pcs Cobalt Drill Bit Set 29 Sizes 1/16"-1/2" Drilling Dia M35 Twist Drills Hex Shank Bits For Steel, Aluminum, Copper, Soft Alloy Steel, Wood, Plastic

UXCELL
A23030300UX1547
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amadeo City 9.87

Features

99pcs Drill Bits Include: 11pcs of each size( 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/35", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 3/64", 3/8", 25/64", 13/32", 27/64", 19/32", 29/64", 15/64", 31/64", 1/2") drilling dia M35 straight round shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.

Wide Applications: This cobalt twist drill bit is suitable for a variety of drilling applications, including metalworking, woodworking, and plastic fabrication. It is great for use with harder materials such as stainless steel, titanium, cast iron, malleable iron, and other alloys, wood, and plastic, and is well-suited for both DIY and professional use.

Note: Please add coolant when drilling continuously at high speed, the working life of the twist drill bits can be largely prolonged by proper usage. To ensure optimal performance and longevity, it is important to use proper drilling techniques when using this cobalt twist drill bit.

Uxcell 12Pcs Cobalt Drill Bit Set 12 Sizes 1/9"-1/4" Drilling Dia M35 Twist Drills Hex Shank Bits For Steel, Aluminum, Copper, Soft Alloy Steel, Wood, Plastic

UXCELL
A23030600UX0125
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

13pcs Drill Bits Include: 1pcs of each size( 1/17", 7/89", 6/61", 11/93", 12/95", 4/29", 14/89", 14/79", 17/90", 13/66", 21/97", 17/72") drilling dia M35 straight hex shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.

Wide Applications: This cobalt twist drill bit is suitable for a variety of drilling applications, including metalworking, woodworking, and plastic fabrication. It is great for use with harder materials such as stainless steel, titanium, cast iron, malleable iron, and other alloys, wood, and plastic, and is well-suited for both DIY and professional use.

Note: Please add coolant when drilling continuously at high speed, the working life of the twist drill bits can be largely prolonged by proper usage. To ensure optimal performance and longevity, it is important to use proper drilling techniques when using this cobalt twist drill bit.

Top 10 installer drill bits Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Bosch 7
Uxcell 2
Anfrere 1
Co-Z 1
Enertwist 1
Neiko 1

Top 10 installer drill bits Brands Pie Chart


We've carried out a comprehensive analysis of 39,546 reviews on installer drill bits, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select installer drill bits priced around $29.42, with top brands including comoware, irwin tools, bosch, qzattcaen, magbit, usoway, eagle tool us, diablo and neiko and emilypro

Our team of expert editors reviewed these high-quality items and handpicked the top 13 installer drill bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include coneve, amazon.com, emilypro, rtj tool company, usa tool depot, thrillofthehunt, meoyotex, tg tools and tool slate and saiper .

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which installer drill bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.