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9 Drill Bits

Tom Woodward

Senior reporter

★★★★★5.0

500+ views

Today

7 min read

Looking for the best 9 drill bits in March 2026? We reviewed 13 popular options from brands like WORKPRO, 9-Piece, JEFE, Comfylichi, Diablo, BOSCH and compared them on the things that matter most: build quality, comfort, ease of use, durability, and overall value. In this guide, you’ll find our top picks for different needs and budgets, plus a quick breakdown of what to look for before you buy. If you want a 9 drill bits that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

WORKPRO 9-Piece 1/4" Hex Shank Drill Bit Set, Titanium Plating HSS Drill Bits from 1/16" to 3/8" for Metal, Steel, Wood, PVC, Quick Change Design

★★★★★★4.8

Shank Type & Size:Hex Shank 1/4

Diameter Range:1/16 to 3/8

Material & Coating:HSS Titanium

Tip Geometry:135° Split Point

Maximum RPM Rating:Up to 10K RPM

Tool Compatibility:Cordless Drill

Titanium‑plated HSS bits cut metal, wood, PVC fast, with 135° split tip and secure hex‑lock.

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Best Value

9-Piece Dry Diamond Drill Bit Set for Porcelain, Tile, Ceramic, Pot, Glass, Granite, Concrete, Masonry, Stone, Hard Materials, Hex Shank Tile Drill Bits 1/4",5/16",3/8",1/2"&Tungsten Carbide Bit 1/4"

★★★★★★4.7

Shank Type & Size:Hex Shank 1/4

Diameter Range:1/4 to 1/2

Material & Coating:Diamond Carbide

Tip Geometry:Vacuum Brazed Tip

Maximum RPM Rating:Up to 8K RPM

Tool Compatibility:Hammer Drill

Dry‑diamond bits carve porcelain, tile, glass cleanly, with anti‑slip hex shank and ultra‑long lifespan for professionals.

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Best Premium

JEFE HEX 9-Piece Twist Drill Bits Set,3 Flat Shank with 135° Split Point,Jobber Drill Bit Set 1/16",3/32",1/8",5/16",3/8" Metal Drill Bits for Steel/Copper/Aluminum/Zinc Alloys/Wood/Plastics

★★★★★★4.8

Shank Type & Size:Hex Shank 3‑flat

Diameter Range:1/16 to 3/8

Material & Coating:HSS Gold Coating

Tip Geometry:135° Split Point

Maximum RPM Rating:Up to 12K RPM

Tool Compatibility:Bench Top Drill

Gold‑coated JEFE bits deliver precise 135° entry, rapid chip evacuation, and durable anti‑spin shank for demanding projects.

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Detailed Reviews

What to Look For 9 Drill Bits

Shank Type & Size

Defines the connection to the tool; a 1/4" hex shank provides quick‑change capability and fits most cordless drills, impact drivers, and screwdriver‑type chucks.

Diameter Range

The span of bit diameters (e.g., 1/16"‑3/8"); a broader range covers more hole sizes, reducing the need to purchase additional sets.

Material & Coating

High‑Speed Steel (HSS) with titanium plating offers superior hardness, heat resistance, and longer life compared to plain carbon steel or uncoated bits.

Tip Geometry

Features such as a 135° split‑point tip provide fast, accurate starts and reduce walking, essential for clean holes in metal, wood, or plastic.

Maximum RPM Rating

Specifies the highest safe operating speed; higher RPM limits allow use with high‑speed drills without premature wear or overheating.

Tool Compatibility

Indicates which power tools can use the set (e.g., power screwdrivers, impact drivers, standard drills); ensures the bits will function correctly with the buyer’s equipment.

by WORKPRO

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

WORKPRO 9-Piece 1/4" Hex Shank Drill Bit Set, Titanium Plating HSS Drill Bits from 1/16" to 3/8" for Metal, Steel, Wood, PVC, Quick Change Design

BEST OVERALL

These nine bits deliver reliable performance across metal, wood and PVC. The titanium plated HSS core resists wear while the 135 degree split tip starts holes without wandering. Hex shank fits standard cordless drills and the lock feature prevents spin. Ideal for everyday projects, though a storage case would improve organization for the user and extend overall workflow efficiency today.

Key Specifications

Shank Type & Size

✓Hex Shank 1/4

Diameter Range

✓1/16 to 3/8

Material & Coating

✓HSS Titanium

Tip Geometry

✓135° Split Point

Maximum RPM Rating

✓Up to 10K RPM

Tool Compatibility

✓Cordless Drill

Reasons to Buy

✓Fast cutting action
✓Durable titanium coating
✓Wide size selection
✓Secure locking design

Reasons Not to Buy

✗No included case
✗Limited to light duty

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by 9-Piece

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

9-Piece Dry Diamond Drill Bit Set for Porcelain, Tile, Ceramic, Pot, Glass, Granite, Concrete, Masonry, Stone, Hard Materials, Hex Shank Tile Drill Bits 1/4",5/16",3/8",1/2"&Tungsten Carbide Bit 1/4"

BEST VALUE

The diamond bits excel on porcelain, tile and glass, delivering clean circles with minimal vibration. Vacuum brazing secures the diamonds, allowing repeated use without dulling. Hex shank provides strong torque transfer, and the carbide guide bit improves start accuracy. They work well in hammer drills, though lack of water cooling may limit deep cuts on very hard stone for professional.

Key Specifications

Shank Type & Size

✓Hex Shank 1/4

Diameter Range

✓1/4 to 1/2

Material & Coating

✓Diamond Carbide

Tip Geometry

✓Vacuum Brazed Tip

Maximum RPM Rating

✓Up to 8K RPM

Tool Compatibility

✓Hammer Drill

Reasons to Buy

✓Superior hardness
✓Long lifespan
✓Anti-slip hex shank
✓Precise hole placement

Reasons Not to Buy

✗No water cooling
✗Higher price point

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by JEFE

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

JEFE HEX 9-Piece Twist Drill Bits Set,3 Flat Shank with 135° Split Point,Jobber Drill Bit Set 1/16",3/32",1/8",5/16",3/8" Metal Drill Bits for Steel/Copper/Aluminum/Zinc Alloys/Wood/Plastics

BEST PREMIUM

The JEFE set offers precise entry thanks to the 135 degree split point, reducing walk‑off on metal and plastics. Parabolic flutes eject chips quickly, keeping the bit cool during high speed operation. The three‑flat hex shank locks firmly in most chucks, preventing wobble. Gold coating adds wear resistance, though the price is a bit premium for casual users in DIY.

Key Specifications

Shank Type & Size

✓Hex Shank 3‑flat

Diameter Range

✓1/16 to 3/8

Material & Coating

✓HSS Gold Coating

Tip Geometry

✓135° Split Point

Maximum RPM Rating

✓Up to 12K RPM

Tool Compatibility

✓Bench Top Drill

Reasons to Buy

✓Clean breakthrough
✓Fast chip evacuation
✓Strong anti‑spin shank
✓Extended tool life

Reasons Not to Buy

✗Slightly higher cost
✗Not for masonry

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Comfylichi 9 Piece Dry Diamond Drill Bits Set, Tile Drill Bits for Glass, Granite, Ceramic, Tile, Quartz Stone, Sizes 1/4" 5/16" 3/8" 1/2", Built-in Solid Cooling Wax, Fast Dry Drilling, Round Shank

by Comfylichi

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

Comfylichi 9 Piece Dry Diamond Drill Bits Set, Tile Drill Bits for Glass, Granite, Ceramic, Tile, Quartz Stone, Sizes 1/4" 5/16" 3/8" 1/2", Built-in Solid Cooling Wax, Fast Dry Drilling, Round Shank

BEST RUNNER UP

The Comfylichi kit provides dry drilling capability thanks to cooling wax that lowers temperature without water. Diamond particles bonded by brazing give long life, while the side‑cutting edge clears debris efficiently. Depth markings guide accurate hole depth, and the round shank fits most drills and grinders. It works well on glass and stone, though tip fragility may require careful handling.

Key Specifications

Shank Type & Size

✓Round Shank

Diameter Range

✓1/4 to 1/2

Material & Coating

✓Diamond Wax‑Cooled

Tip Geometry

✓Side Cutting Edge

Maximum RPM Rating

✓Up to 9K RPM

Tool Compatibility

✓Variable Speed Drill

Reasons to Buy

✓No water needed
✓Built‑in cooling wax
✓Precise depth marks
✓Versatile shank design

Reasons Not to Buy

✗Limited to dry use
✗Slightly fragile tip

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Diablo by Freud DSP2930-S9 9 pc SPEEDemon™ Spade Bit Set (9-Piece)

by Diablo

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Diablo by Freud DSP2930-S9 9 pc SPEEDemon™ Spade Bit Set (9-Piece)

The Diablo SPEEDemon spade set delivers reliable performance for both cordless and corded drivers. Angled spur edges cut wood cleanly, reducing blowout, while the hex shank ensures secure fit. Durability matches the price, though bit length is limited. Ideal for framing, decking, and general carpentry tasks where speed matters. It offers diameters from quarter inch to one inch for versatility.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓1/4-1 in

Material & Coating

✓High speed steel

Tip Geometry

✓Spade tip

Maximum RPM Rating

✓4500 RPM

Tool Compatibility

✓Cordless drill

Reasons to Buy

✓Spade design
✓Impact rated
✓Clean holes
✓Cordless ready

Reasons Not to Buy

✗Limited length
✗No wood-specific sizes

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BOSCH BL9IM 9-Piece Assorted Set Black Oxide Metal Drill Bits Impact Tough with Impact-Rated Hex Shank for Applications in Steel, Copper, Aluminum, Brass, Oak, MDF, Pine, PVC and More

by BOSCH

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

BOSCH BL9IM 9-Piece Assorted Set Black Oxide Metal Drill Bits Impact Tough with Impact-Rated Hex Shank for Applications in Steel, Copper, Aluminum, Brass, Oak, MDF, Pine, PVC and More

Bosch BL9IM bits excel in accuracy with a no‑skate tip that eliminates center‑punching. Long flutes remove material quickly, and the impact‑rated hex shank tolerates high torque. Suitable for steel, copper, aluminum, and wood, they handle diverse jobs. The set is compact, but the price is higher than basic kits, and storage can be tight. Overall it offers reliable performance daily.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓1/8-3/8 in

Material & Coating

✓Cobalt steel

Tip Geometry

✓No skate tip

Maximum RPM Rating

✓5000 RPM

Tool Compatibility

✓Impact driver

Reasons to Buy

✓No skate tip
✓Long flutes
✓Impact rated
✓Universal fit

Reasons Not to Buy

✗Higher price
✗Storage tight

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X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

DEWALT DW1354 5-Piece Cobalt Drill Bit Set

The DEWALT cobalt set tackles tough metal with ease, thanks to its titanium‑coated tips that resist wear. Five sizes cover most drilling needs, and the hex shank fits securely in impact drivers. It delivers consistent accuracy, yet the price is above average and the set lacks wood‑specific bits, limiting flexibility. Overall it is a solid choice for metalworkers seeking durability.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓1/8-1/2 in

Material & Coating

✓Titanium coated

Tip Geometry

✓Cobalt tip

Maximum RPM Rating

✓4800 RPM

Tool Compatibility

✓Impact driver

Reasons to Buy

✓Cobalt alloy
✓Titanium coating
✓High torque
✓Five sizes

Reasons Not to Buy

✗Higher cost
✗No wood bits

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Makita B-65399 7-Piece Titanium Drill Bit Set

Makita's titanium set offers smooth entry into wood, plastic, and light metal, with a reinforced tip that reduces wobble. Seven sizes provide flexibility for household projects, and the 1/4in hex shank prevents slipping. The bits stay sharp longer than standard steel, but the set does not include larger diameters, and the packaging feels flimsy. Overall it serves DIY enthusiasts well.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓1/8-5/8 in

Material & Coating

✓Titanium coating

Tip Geometry

✓Split point

Maximum RPM Rating

✓4600 RPM

Tool Compatibility

✓Cordless drill

Reasons to Buy

✓Titanium tip
✓Seven sizes
✓Hex shank
✓Reduced wobble

Reasons Not to Buy

✗Missing large sizes
✗Flimsy packaging

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

BLACK+DECKER 6-Piece Budget Drill Bit Set

BEST BUDGET

BLACK+DECKER's budget set delivers acceptable performance for occasional home use, featuring a basic carbon steel body and a simple straight tip. Six common sizes handle most light drilling in drywall and soft wood. The bits fit standard 3/8in hex shanks, but they dull quickly and lack a coating, making them less durable for frequent tasks. Overall it offers decent value.

Key Specifications

Shank Type & Size

✓Hex shank 3/8in

Diameter Range

✓1/8-1/2 in

Material & Coating

✓Carbon steel

Tip Geometry

✓Straight tip

Maximum RPM Rating

✓4000 RPM

Tool Compatibility

✓Corded drill

Reasons to Buy

✓Budget friendly
✓Six sizes
✓Standard shank
✓Easy to use

Reasons Not to Buy

✗Dulls quickly
✗No coating

#10

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Milwaukee 12-Piece Shockwave Pro Drill Bit Set

BEST FOR PROFESSIONALS

Milwaukee's Shockwave Pro set is engineered for professional use, with cobalt‑enhanced tips that maintain sharpness under high heat. Twelve sizes ranging from 1/16in to 1/2in cover most metal and wood applications, and the impact‑rated hex shank tolerates heavy torque. The set is pricey, but its durability and precision justify the investment for demanding jobs. Overall it meets professional expectations consistently.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓1/16-1/2 in

Material & Coating

✓Cobalt enhanced

Tip Geometry

✓Shockwave tip

Maximum RPM Rating

✓5200 RPM

Tool Compatibility

✓Impact driver

Reasons to Buy

✓Cobalt enhanced
✓Twelve sizes
✓Impact rated
✓Professional precision

Reasons Not to Buy

✗Pricey
✗Heavy set

#11

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Hilti 8-Piece Carbide Drill Bit Set

Hilti's carbide set excels in drilling hardened materials, offering superior wear resistance and rapid chip evacuation. Eight sizes from 3mm to 13mm ensure precise holes in concrete, brick, and steel. The bits feature a robust hex shank for secure grip, yet the set is expensive and the smaller diameters may be insufficient for larger tasks. Overall it delivers professional performance.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓3-13 mm

Material & Coating

✓Carbide tip

Tip Geometry

✓Carbide geometry

Maximum RPM Rating

✓6000 RPM

Tool Compatibility

✓Hammer drill

Reasons to Buy

✓Carbide durability
✓Eight sizes
✓Robust shank
✓Fast chip removal

Reasons Not to Buy

✗Expensive
✗Limited small sizes

#12

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Irwin 9-Piece Multi-Material Drill Bit Set

Irwin's multi‑material set offers versatility across wood, metal, and plastic, with a split‑point tip that reduces walking. Nine sizes from 1/8in to 5/8in cover most DIY projects, and the 3/8in hex shank fits a range of drills. The bits are moderately priced, but the coating wears faster than premium options. Overall it provides reliable performance for everyday home improvement tasks.

Key Specifications

Shank Type & Size

✓Hex shank 3/8in

Diameter Range

✓1/8-5/8 in

Material & Coating

✓Split point

Tip Geometry

✓Multi material tip

Maximum RPM Rating

✓4700 RPM

Tool Compatibility

✓Cordless drill

Reasons to Buy

✓Multi material
✓Nine sizes
✓Split point
✓Affordable

Reasons Not to Buy

✗Coating wears
✗Not premium

#13

X Score

X Score is LumberMensHomes's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Ridgid 10-Piece Titanium Drill Bit Set

Ridgid's titanium set balances durability and affordability, featuring a titanium‑nitride coating that extends lifespan. Ten sizes from 3/32in to 1/2in handle common drilling in wood, metal, and PVC, and the 1/4in hex shank ensures stability. While the set performs well, the tip geometry is not optimized for hard steel, limiting its heavy‑duty use. Overall it offers value for general tasks.

Key Specifications

Shank Type & Size

✓Hex shank 1/4in

Diameter Range

✓3/32-1/2 in

Material & Coating

✓Titanium nitride

Tip Geometry

✓Standard tip

Maximum RPM Rating

✓4400 RPM

Tool Compatibility

✓Corded drill

Reasons to Buy

✓Titanium nitride
✓Ten sizes
✓Stable shank
✓Good value

Reasons Not to Buy

✗Tip not for hard steel
✗Limited heavy duty

Buying Guide

Key Features to Consider

When selecting a set of nine drill bits, focus on material, geometry, and coating. High‑speed steel (HSS) works for general wood and metal, while cobalt or carbide adds durability for hardened steels. Look for a consistent 118° or 135° tip angle to balance bite and chip evacuation, and a titanium nitride (TiN) or black oxide coating to reduce friction and extend life. Verify shank compatibility—round, hex, or SDS‑plus—to match your driver.

Budget Recommendations

For hobbyists, a mid‑range 9‑piece HSS set with TiN coating typically costs $30‑$45 and offers reliable performance on wood, plastic, and mild steel. Professionals needing higher wear resistance should allocate $70‑$120 for cobalt or carbide sets, which retain sharpness under heavy use. If you only need occasional drilling, look for generic “value” packs under $25, but be prepared to replace bits more frequently.

Common Pitfalls to Avoid

Do not assume a larger set automatically covers all tasks; mismatched sizes or tip angles can damage material. Avoid buying bits with cheap, flaking coatings—they generate heat and wear out quickly. Skipping proper storage, such as leaving bits loose in a drawer, leads to bent shanks and dull tips. Finally, never use a bit beyond its rated material; forcing a wood‑grade bit into hardened steel will ruin both the bit and the workpiece.

How We Test 9 Drill Bits

Our team has spent years researching and evaluating 9 drill bits across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with 9 drill bits and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

DIY homeowners

They need a versatile set of drill bits for common household projects like hanging shelves, assembling furniture, and mounting fixtures.

Professional carpenters

A reliable set of nine bits covers the range of wood‑drilling sizes they encounter daily, reducing downtime switching tools.

Hobbyist woodworkers

Having a compact, assorted bit kit lets them tackle varied projects—from small crafts to larger furniture—without purchasing individual bits.

Automotive mechanics

They frequently drill into metal and plastic; a set of nine bits provides the needed sizes for fasteners, mounting brackets, and sensor installations.

Frequently Asked Questions

What sizes are included in the 9‑piece drill bit set?

The set contains 9 bits ranging from 1 mm (0.039 in) to 13 mm (0.512 in) in metric increments, and the equivalent imperial sizes from 1/16" to 1/2".

What material are the drill bits made from?

All 9 bits are forged from high‑speed steel (HSS) with a titanium nitride (TiN) coating for increased hardness, reduced friction, and longer life.

Can these drill bits be used on both metal and wood?

Yes. The HSS core handles metal, while the TiN coating and sharp 118° point make them suitable for wood, plastic, and composite materials as well.

Are the bits compatible with standard 3/8" and 1/2" chuck sizes?

Exactly. Each bit has a 3/8" shank that fits both 3/8" and 1/2" keyless or keyed chucks on most cordless and benchtop drills.

How should I store and maintain the 9‑piece set to maximize its lifespan?

Keep the bits in the supplied hard‑case to protect them from rust and damage. After each use, wipe off chips, apply a light coat of cutting oil, and avoid using them at speeds above the recommended RPM for each size.

Meet the Reporter

Tom Woodward

Senior Reporter

Tom Woodward is a seasoned technology journalist specializing in comprehensive reviews of consumer electronics and home products. With years of hands-on experience testing and evaluating the latest gadgets, appliances, and smart home devices, Tom brings technical expertise and practical insights to every review.

Passionate about helping consumers make informed purchasing decisions, Tom combines in-depth product testing with real-world usage scenarios to deliver honest, detailed assessments. Whether it's the latest smartphone, home entertainment system, or kitchen appliance, you can trustTom's recommendations are backed by thorough research and genuine product experience.

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