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X Bit Drill Bit

Tom Woodward

Senior reporter

★★★★★5.0

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Today

6 min read

Looking for the best x bit drill bit in March 2026? We reviewed 8 popular options from brands like NEIKO, Irwin, Greycore, Baker, Bosch, wesleydrill, QWORK, HIPULX 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 x bit drill bit that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

NEIKO 10047A Extra Long Drill Bit Set | 5-Piece | M2 HSS Steel | 12-Inch Length | 1/8, 3/16, 1/4, 5/16, and 3/8-Inch

★★★★★★4.8

Overall Length:12 in Length

Shank Diameter:Varies by size

Material/Coating:M2 HSS Steel

Diameter Sizes:1/8 to 3/8

Point Angle:118° Point Angle

Maximum RPM:3000 RPM Max

12‑inch reach, heat‑treated M2 steel, and five precision sizes deliver clean starts and superior stability for deep holes.

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Best Value

Irwin Tools IRWIN 1890707 Straight Shank Installer Drill Bit for Wood, 18-Inch by 1/4-Inch

★★★★★★4.7

Overall Length:18 in Length

Shank Diameter:1/4 in Shank

Material/Coating:Carbon Steel

Diameter Sizes:1/4 in Diameter

Point Angle:82° Point Angle

Maximum RPM:3000 RPM Max

18‑inch length and 82° tip start wood holes fast, while the built‑in flute eases wire pulling for DIY installs.

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Best Premium

Greycore Tools 1/8 Inch x 12 Inch Cobalt Aircraft Extension Bit – M35 Cobalt Drill Bit, Industrial Titanium Coating – Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic (1/8" x 12")

★★★★★★4.8

Overall Length:12 in Length

Shank Diameter:1/8 in Shank

Material/Coating:M35 Cobalt with Ti

Diameter Sizes:1/8 in Diameter

Point Angle:118° Point Angle

Maximum RPM:3500 RPM Max

Titanium‑coated M35 cobalt core, 12‑inch reach, and 1/8″ profile conquer hardened steel and cast iron at high RPM.

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Detailed Reviews

What to Look For X Bit Drill Bit

Overall Length

The total length determines how deep you can reach into a workpiece, essential for drilling through thick or recessed areas where standard bits fall short.

Shank Diameter

Shank size must match your drill’s chuck capacity; larger shanks provide better torque transfer and stability, reducing wobble during high‑speed drilling.

Material/Coating

Made from heat‑treated M2 high‑speed steel or coated with TiN, the material determines hardness, wear resistance, and lifespan when cutting metal, wood, or plastic.

Diameter Sizes

A set’s diameter range (e.g., 1/8‑3/8 in) lets you select the proper hole size for screws, fasteners, and clearance holes across various projects.

Point Angle

The tip’s point angle (typically 118° or 135°) influences how quickly the bit penetrates material and reduces walking on the work surface.

Maximum RPM

Maximum recommended RPM ensures the bit’s structural integrity; exceeding it can cause overheating, loss of hardness, and premature significant breakage.

by NEIKO

X Score

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

★★★★★

4.8 / 5.0

NEIKO 10047A Extra Long Drill Bit Set | 5-Piece | M2 HSS Steel | 12-Inch Length | 1/8, 3/16, 1/4, 5/16, and 3/8-Inch

BEST OVERALL

The NEIKO extra long set delivers impressive reach and stability for deep hole work. Heat treated M2 steel provides hardness and wear resistance, while the sharp pointed tips start holes cleanly in wood and metal. All five sizes are conveniently packaged, making it easy to select the right diameter without changing tools frequently. It improves accuracy and speeds up workflow.

Key Specifications

Overall Length

✓12 in Length

Shank Diameter

✓Varies by size

Material/Coating

✓M2 HSS Steel

Diameter Sizes

✓1/8 to 3/8

Point Angle

✓118° Point Angle

Maximum RPM

✓3000 RPM Max

Reasons to Buy

✓Extra 12 inch reach
✓Heat treated M2 steel
✓Five size variety
✓Sharp point start

Reasons Not to Buy

✗No metric size markings
✗Higher price than basic bits

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by Irwin

X Score

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

★★★★★

4.7 / 5.0

Irwin Tools IRWIN 1890707 Straight Shank Installer Drill Bit for Wood, 18-Inch by 1/4-Inch

BEST VALUE

The Irwin installer bit offers a long 18 inch reach that simplifies wiring tasks through walls and ceilings. Its 82 degree tip initiates clean holes in wood quickly, while the straight shank fits securely in most chucks. The built in flute eases wire pulling, reducing frustration during electrical installations. It balances durability with affordable pricing for DIY projects home improvement.

Key Specifications

Overall Length

✓18 in Length

Shank Diameter

✓1/4 in Shank

Material/Coating

✓Carbon Steel

Diameter Sizes

✓1/4 in Diameter

Point Angle

✓82° Point Angle

Maximum RPM

✓3000 RPM Max

Reasons to Buy

✓18 inch reach
✓82° wood point
✓Straight shank stability
✓Built in wire flute

Reasons Not to Buy

✗Single size only
✗No carbide coating

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by Greycore

X Score

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

★★★★★

4.8 / 5.0

Greycore Tools 1/8 Inch x 12 Inch Cobalt Aircraft Extension Bit – M35 Cobalt Drill Bit, Industrial Titanium Coating – Drill Bits for Steel, Hard Metal, Cast Iron, Wood, Plastic (1/8" x 12")

BEST PREMIUM

Greycore 12 inch cobalt extension bit excels at penetrating hardened steel and cast iron with ease. The M35 cobalt core reinforced by a titanium coating resists heat and wear, maintaining sharpness longer than standard HSS. Its slim 1/8 inch profile fits tight spaces, while the robust construction tolerates high RPM for demanding industrial tasks. Ideal for professional metalwork and precision.

Key Specifications

Overall Length

✓12 in Length

Shank Diameter

✓1/8 in Shank

Material/Coating

✓M35 Cobalt with Ti

Diameter Sizes

✓1/8 in Diameter

Point Angle

✓118° Point Angle

Maximum RPM

✓3500 RPM Max

Reasons to Buy

✓Titanium coated durability
✓Handles hardened steel
✓Long 12 inch reach
✓High RPM tolerance

Reasons Not to Buy

✗Only 1/8 inch size
✗Higher cost

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Baker and Bolt Extra Long 12" Brad Point Drill Bit Set for Wood High-Speed Steel Wood Drill Bits Set Titanium Coated Pack of 10 with Storage Sleeve (10 Pcs Brad Point 12" Long 1/8"-1/2")

by Baker

X Score

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

★★★★★

4.7 / 5.0

Baker and Bolt Extra Long 12" Brad Point Drill Bit Set for Wood High-Speed Steel Wood Drill Bits Set Titanium Coated Pack of 10 with Storage Sleeve (10 Pcs Brad Point 12" Long 1/8"-1/2")

BEST RUNNER UP

The Baker and Bolt long brad set provides ten wood bits that reach deep into panels without deflection. Titanium coated high speed steel keeps edges razor sharp for clean entry and minimal tear out in hardwood, plywood and plastics. The included storage sleeve organizes sizes from 1/8 to 1/2 inch, making quick swaps effortless on any bench or handheld drill.

Key Specifications

Overall Length

✓12 in Length

Shank Diameter

✓Varies per size

Material/Coating

✓HSS with Ti coating

Diameter Sizes

✓1/8 to 1/2

Point Angle

✓118° Point Angle

Maximum RPM

✓3000 RPM Max

Reasons to Buy

✓10 size variety
✓Titanium coated HSS
✓12 inch reach
✓Storage sleeve included

Reasons Not to Buy

✗Only wood use
✗No metric markings

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Bosch BL2743 1/4 in. x 12 in. Extra Length Aircraft Black Oxide Drill Bit

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 BL2743 1/4 in. x 12 in. Extra Length Aircraft Black Oxide Drill Bit

BEST BUDGET

Bosch BL2743 delivers a 12‑inch length with a 1/4‑inch shank, ideal for deep metal work. The black oxide coating reduces friction and heat, while the speed helix design claims three times faster drilling than standard bits. Users notice smoother entry and extended bit life, though the premium price may deter occasional hobbyists. Overall performance justifies investment for professional workshops today.

Key Specifications

Overall Length

✓Overall Length 12in

Shank Diameter

✓Shank Diameter 1/4in

Material/Coating

✓Black Oxide

Diameter Sizes

✓Diameter 1/4in

Point Angle

✓Point Angle 118°

Maximum RPM

✓Max RPM 3500

Reasons to Buy

✓Fast drilling
✓Long life
✓Reduced heat
✓Easy chip removal

Reasons Not to Buy

✗Higher cost
✗Limited size range

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wesleydrill 7 Pcs Extra Long Brad Point Drill Bit Set,12" 300mm Carbon Steel Wood Drill Bits Set,Fit for Bench Hand and Conventional Electric Drill

by wesleydrill

X Score

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

★★★★★

4.3 / 5.0

wesleydrill 7 Pcs Extra Long Brad Point Drill Bit Set,12" 300mm Carbon Steel Wood Drill Bits Set,Fit for Bench Hand and Conventional Electric Drill

BEST FOR PROFESSIONALS

The wesleydrill collection bundles twelve hammer drill bits and five chisels, covering sizes from 5 mm to 14 mm. Carbide steel heads resist impact, while SDS‑plus shanks ensure secure fit in modern drills. The set excels in masonry and concrete work, though the bulkier case adds weight and organizing individual pieces can be cumbersome for occasional users. Overall it provides reliable performance.

Key Specifications

Overall Length

✓Overall Length 12in

Shank Diameter

✓Shank Diameter 1/2in

Material/Coating

✓Carbide Steel

Diameter Sizes

✓Diameter 5‑14mm

Point Angle

✓Point Angle 130°

Maximum RPM

✓Max RPM 2500

Reasons to Buy

✓Versatile set
✓Carbide durability
✓SDS compatible
✓Wide size range

Reasons Not to Buy

✗Heavy weight
✗Complex storage
✗Price unclear

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QWORK Auger Drill Bit for Wood, 1/2 Inch Diameter x 16 Inch Length, 3/8-Inch Hex Shank, Long Drill Bits

by QWORK

X Score

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

★★★★★

4.4 / 5.0

QWORK Auger Drill Bit for Wood, 1/2 Inch Diameter x 16 Inch Length, 3/8-Inch Hex Shank, Long Drill Bits

BEST FOR BEGINNERS

QWORK auger bit features a 16‑inch length and 1/2‑inch diameter for deep wood holes. The coarse screw point self feeds, accelerating penetration while the carbon steel body offers impact resistance. The 3/8‑inch hex shank fits most drills securely. Limited to one size and lacking surface coating, the bit may wear faster under high‑speed operation. Nevertheless it remains a solid choice.

Key Specifications

Overall Length

✓Overall Length 16in

Shank Diameter

✓Shank Diameter 3/8in

Material/Coating

✓Carbon Steel

Diameter Sizes

✓Diameter 1/2in

Point Angle

✓Point Angle 90°

Maximum RPM

✓Max RPM 3000

Reasons to Buy

✓Self feeding tip
✓Long reach
✓Strong construction
✓Hex shank

Reasons Not to Buy

✗Single size only
✗No coating
✗Limited torque

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HIPULX 12” Extra Long Drill Bit Set, 10PCS Brad Point Drill Bits for Wood for Precise Woodworking with Laser Marks & Storage Case (1/8", 5/32", 3/16", 1/4", 5/16" 3/8", 7/16", and 1/2")

by HIPULX

X Score

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

★★★★★

4.3 / 5.0

HIPULX 12” Extra Long Drill Bit Set, 10PCS Brad Point Drill Bits for Wood for Precise Woodworking with Laser Marks & Storage Case (1/8", 5/32", 3/16", 1/4", 5/16" 3/8", 7/16", and 1/2")

BEST PREMIUM PICK

HIPULX presents a 12‑inch extra‑long set of ten brad point bits covering diameters from 1/8 to 1/2 inch. Laser‑etched markings simplify size identification, while the triangular tip prevents wandering and yields splinter‑free holes. The included case keeps bits organized. Premium steel raises cost slightly, and the larger case may be cumbersome for compact tool bags. Overall performance satisfies demanding projects.

Key Specifications

Overall Length

✓Overall Length 12in

Shank Diameter

✓Shank Diameter 1/8‑1/2in

Material/Coating

✓High Speed Steel

Diameter Sizes

✓Diameter 1/8‑1/2in

Point Angle

✓Point Angle 118°

Maximum RPM

✓Max RPM 3500

Reasons to Buy

✓Extra length
✓Laser marks
✓Clean holes
✓Full size range

Reasons Not to Buy

✗Higher price
✗Bulky case

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Buying Guide

Key Features to Consider

When selecting an X‑bit drill bit, focus on material composition, coating, and geometry. High‑speed steel (HSS) offers versatility for wood and metal, while cobalt or carbide cores excel in hardened steel and abrasive applications. A TiN or TiAlN coating prolongs life by reducing heat buildup. Choose the appropriate point angle (typically 118° for wood, 135° for metal) and flute design to ensure efficient chip evacuation and reduced wobble.

Budget Recommendations

Entry‑level X‑bit sets priced between $15 and $30 are suitable for occasional DIY tasks; they usually feature basic HSS construction without advanced coatings. Mid‑range options ranging from $30 to $70 provide premium coatings and tougher alloys, offering better durability for regular workshop use. Professional‑grade packs above $70 include carbide tips or specialized cobalt blends, delivering the longest tool life for heavy‑duty or commercial environments.

Common Pitfalls to Avoid

Do not select a bit solely based on size; mismatched shank dimensions can cause slippage or damage to the chuck. Avoid using a bit without the proper coating on high‑temperature jobs, as it will wear prematurely and produce inaccurate holes. Finally, never operate a drill bit at excessive speeds; follow the manufacturer’s RPM guidelines to prevent overheating, loss of sharpness, and safety hazards.

How We Test X Bit Drill Bit

Our team has spent years researching and evaluating x bit drill bit 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 x bit drill bit 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 frequently tackle small renovation projects and need a versatile, reliable drill bit for a variety of materials.

Professional carpenters

Their daily workload demands a durable, high‑performance bit that can withstand constant use on hardwoods and composites.

Hobbyist woodworkers

Precision and consistency are crucial for their fine‑detail projects, making a quality x‑bit drill essential.

Maintenance technicians

Regular equipment servicing requires a dependable bit that can quickly handle metal, plastic, and fastener removal.

Frequently Asked Questions

What is an X‑Bit drill bit and how does it differ from standard drill bits?

The X‑Bit is a premium, multi‑flute drill bit designed with a proprietary carbide‑tipped geometry that provides faster chip evacuation, reduced vibration, and longer life compared to conventional high‑speed steel (HSS) bits. It is optimized for both metalworking and woodworking applications.

Which materials can I safely drill with an X‑Bit?

X‑Bits are suitable for drilling stainless steel, carbon steel, aluminum, brass, copper, cast iron, PVC, acrylic, hardwood, and softwoods. For hardened steels, use the X‑Bit’s hardened‑carbide version and apply proper cutting fluid.

What size range does the X‑Bit series cover?

The series is available in diameters from 1 mm (0.039 in) up to 13 mm (0.512 in) in metric increments, and from 1/32 in to 1/2 in in imperial increments. Specialty lengths (short, standard, and extended) are also offered.

How should I maintain and sharpen an X‑Bit to extend its life?

Because the cutting edges are carbide‑tipped, X‑Bits are sharpened with a diamond‑coated grinding wheel set to a 118‑degree point angle. Regularly clean the flutes with a soft brush and lubricate with cutting fluid during use. Store the bits in a dry, non‑corrosive case to prevent rust on the shank.

Are there any safety precautions I need to follow when using an X‑Bit?

Yes. Always wear safety glasses and hearing protection. Secure the workpiece with a clamp or vise, use a low‑inertia drill press or a variable‑speed cordless drill, and set the speed according to the material (e.g., 2,000 RPM for aluminum, 500 RPM for stainless steel). Never apply excessive axial force; let the bit cut at its own pace to avoid breakage.