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Best Drill Bit For Upvc

Tom Woodward

Senior reporter

★★★★★5.0

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Today

6 min read

Looking for the best drill bit for upvc in March 2026? We reviewed 8 popular options from brands like Century, Drill, Topline, Rocaris, 1/4", MAXTOOL, IVY 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 drill bit for upvc that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

Century Drill & Tool 11621 Letter Gauge Drill Bit, Size-U

★★★★★★4.8

Material:M2 High Speed Steel

Tip Geometry:135° Split Point

Shank Type:Straight Shank

Diameter Range:U gauge diameter

Length:30mm Length

Coating:No coating

High‑speed steel, fully ground bit with 135° split point delivers drift‑free, long‑lasting precision for U‑gauge holes.

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Best Value

Drill America U High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 6), KFD Series

★★★★★★4.6

Material:High Speed Steel

Tip Geometry:135° Split Point

Shank Type:Round Shank

Diameter Range:Multiple Sizes Pack

Length:Standard 40mm Length

Coating:Black Gold Coating

Six‑pack KFD bits offer versatile, split‑point accuracy and solid durability across wood, metal, and UPVC at great value.

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Best Premium

Topline USA Drill Bit Size'U' M42 Cobalt 1-Pk

★★★★★★4.7

Material:M42 Cobalt Steel

Tip Geometry:135° Split Point

Shank Type:Hex Shank

Diameter Range:U gauge size

Length:45mm Length

Coating:No coating

M42 cobalt bit provides extreme hardness, heat resistance, and a hex shank for precise, wobble‑free U‑gauge drilling.

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Detailed Reviews

What to Look For Drill Bit For Upvc

Material

The steel grade (e.g., HSS, M2, carbide) determines durability and heat resistance, crucial for maintaining a clean cut in UPVC without dulling quickly.

Tip Geometry

A split‑point or 118° tip reduces walking and provides precise entry, preventing cracks or burrs in the relatively soft UPVC material.

Shank Type

Hex, round, or SDS‑plus shanks affect tool compatibility and torque transfer; a secure shank minimizes wobble and ensures consistent drilling depth.

Diameter Range

Available sizes (e.g., 0.3"‑0.5") let users match hole size to pipe fittings; selecting the correct diameter avoids oversized holes that weaken UPVC.

Length

Overall length (e.g., 4"‑6") influences reach and chip evacuation; longer bits clear debris better, reducing heat buildup in thick UPVC panels.

Coating

Titanium Nitride (TiN) or Titanium Aluminum Nitride (TiAlN) coatings lower friction, extend bit life, and keep the cut surface smooth for a professional finish.

by Century

X Score

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

★★★★★

4.8 / 5.0

Century Drill & Tool 11621 Letter Gauge Drill Bit, Size-U

BEST OVERALL

The Century Letter Gauge bit delivers superb durability thanks to its M2 high speed steel construction. Its 135° split point holds position, eliminating drift when drilling u sized holes in upvc. The straight shank fits standard chucks, and the fully ground finish provides clean entry. Though priced above basic sets, it offers professional reliability for demanding projects and lasting performance.

Key Specifications

Material

✓M2 High Speed Steel

Tip Geometry

✓135° Split Point

Shank Type

✓Straight Shank

Diameter Range

✓U gauge diameter

Length

✓30mm Length

Coating

✓No coating

Reasons to Buy

✓Excellent hardness
✓Precise point reduces walk
✓Fully ground from billet
✓Ideal for u gauge

Reasons Not to Buy

✗Limited size options
✗Higher price than generic

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by Drill

X Score

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

★★★★★

4.6 / 5.0

Drill America U High Speed Steel Black & Gold KFD Split Point Drill Bit (Pack of 6), KFD Series

BEST VALUE

Drill America KFD bits provide solid performance for a wide range of materials including wood, metal and stainless upvc. The 135° split point keeps the bit centered, reducing walk and improving hole accuracy. Packaged six per set, they offer excellent value for hobbyists and professionals alike. Their black‑gold coating adds modest wear resistance but they lack extended length options today.

Key Specifications

Material

✓High Speed Steel

Tip Geometry

✓135° Split Point

Shank Type

✓Round Shank

Diameter Range

✓Multiple Sizes Pack

Length

✓Standard 40mm Length

Coating

✓Black Gold Coating

Reasons to Buy

✓Versatile across materials
✓Split point prevents walking
✓Cost effective six pack
✓Good durability

Reasons Not to Buy

✗Limited to standard lengths
✗May dull faster on hard steel

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by Topline

X Score

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

★★★★★

4.7 / 5.0

Topline USA Drill Bit Size'U' M42 Cobalt 1-Pk

BEST PREMIUM

Topline M42 cobalt bit excels where ordinary steel fails, delivering extreme hardness and heat resistance for drilling tough upvc profiles. Its 135° split point ensures accurate entry without wobble, while the hex shank provides secure grip in high‑torque drills. Designed specifically for the U gauge, it produces clean holes. The price and single‑piece packaging limit its appeal for casual users.

Key Specifications

Material

✓M42 Cobalt Steel

Tip Geometry

✓135° Split Point

Shank Type

✓Hex Shank

Diameter Range

✓U gauge size

Length

✓45mm Length

Coating

✓No coating

Reasons to Buy

✓Extreme hardness
✓Superior heat resistance
✓Ideal for tough upvc
✓Precise U size

Reasons Not to Buy

✗Single piece only
✗Higher cost

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Rocaris 8 Pack Titanium Coated HSS Twist Drill Bits, 3-10mm Serrated Side Cutting Drill Bit Woodworking Tools for Plastic Metal Wood Hole

by Rocaris

X Score

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

★★★★★

4.7 / 5.0

Rocaris 8 Pack Titanium Coated HSS Twist Drill Bits, 3-10mm Serrated Side Cutting Drill Bit Woodworking Tools for Plastic Metal Wood Hole

BEST RUNNER UP

Rocaris eight‑piece set offers a practical range from 3mm to 10mm, covering most upvc and plastic drilling needs. The HSS core with titanium coating provides twice the lifespan of plain bits, while the 135° split point and serrated side cut start holes quickly with minimal walking. Straight shank fits any drill, though the serrated edge can chatter on hard metal.

Key Specifications

Material

✓HSS Steel

Tip Geometry

✓135° Split Point

Shank Type

✓Straight Shank

Diameter Range

✓3‑10mm Set

Length

✓50mm Length

Coating

✓Titanium Coating

Reasons to Buy

✓Versatile size range
✓Titanium coating doubles life
✓Serrated side cuts fast
✓Reduced friction heat

Reasons Not to Buy

✗Serrated edge may chatter in metal
✗Pack includes only standard lengths

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1/4" Drill Bit for Plastic (Acrylics, Plexiglas, Lexan, ABS, PVC, and More) for Hand Held Drills

by 1/4"

X Score

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

★★★★★

4.3 / 5.0

1/4" Drill Bit for Plastic (Acrylics, Plexiglas, Lexan, ABS, PVC, and More) for Hand Held Drills

BEST BUDGET

Designed for plastic work the 1/4 inch drill bit cuts clean holes in acrylic, plexiglas, lexan, abs and pvc. The diamond dust coating prolongs tool life while the sharp twist point starts quickly. Its 4-1/8 inch overall length fits most handheld drills and reduces wobble. Ideal for hobbyists who need precise, burr‑free results and provides consistent performance on every project.

Key Specifications

Material

✓High Speed Steel

Tip Geometry

✓Standard twist

Shank Type

✓Round shank

Diameter Range

✓1/4 inch

Length

✓4-1/8 inch

Coating

✓Diamond dust coating

Reasons to Buy

✓Sharp diamond coating
✓Fits handheld drills
✓Clean plastic cuts
✓Reduced wobble

Reasons Not to Buy

✗Limited to 1/4 inch
✗No metric sizes

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MAXTOOL Letter U 2pcs Identical Jobber Length Drills Dia 0.368" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RUP2

by MAXTOOL

X Score

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

★★★★★

4.4 / 5.0

MAXTOOL Letter U 2pcs Identical Jobber Length Drills Dia 0.368" HSS M2 Twist Drill Bits Fully Ground Black-Bronze Straight Shank Drills; JBL02H10RUP2

BEST FOR PROFESSIONALS

MAXTOOL letter U set delivers reliable drilling across metal, plastic and wood. The M2 high speed steel core stays sharp under heavy loads and the fully ground tip reduces runout. Straight black‑bronze shank fits standard chucks while the 0.368 inch diameter matches common letter‑size holes. Two pieces give flexibility for repeated tasks making it a solid choice for any workshop.

Key Specifications

Material

✓M2 High Speed Steel

Tip Geometry

✓Fully ground tip

Shank Type

✓Straight black‑bronze shank

Diameter Range

✓0.368 inch

Length

✓Jobber length

Coating

✓Black bronze coating

Reasons to Buy

✓Versatile material use
✓Fully ground tip
✓Black‑bronze shank
✓Two‑piece pack

Reasons Not to Buy

✗Only one size
✗Requires precise chuck

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IVY Classic 01661 Letter Size U Drill Bit, M2 High-Speed Steel, 135-Degree Split Point, 1/Card

by IVY

X Score

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

★★★★★

4.3 / 5.0

IVY Classic 01661 Letter Size U Drill Bit, M2 High-Speed Steel, 135-Degree Split Point, 1/Card

BEST FOR BEGINNERS

IVY Classic letter U drill combines M2 high speed steel strength with a 135 degree split point for fast entry. The polished flutes improve chip evacuation and the straight shank works in most collets. Jobber length offers reach while the letter‑size diameter suits standard hardware holes. Perfect for beginners seeking dependable performance on mixed materials and delivers consistent results daily.

Key Specifications

Material

✓M2 High Speed Steel

Tip Geometry

✓135 degree split point

Shank Type

✓Straight shank

Diameter Range

✓Letter size

Length

✓Jobber length

Coating

✓Polished finish

Reasons to Buy

✓Fast entry point
✓Polished flutes
✓Straight shank compatibility
✓Ideal for beginners

Reasons Not to Buy

✗Letter size limited
✗Higher cost per bit

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Drill America DWDNUP6 U High Speed Steel Black Oxide Drill Bit (Pack of 6), DWDN Series

by Drill

X Score

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

★★★★★

4.5 / 5.0

Drill America DWDNUP6 U High Speed Steel Black Oxide Drill Bit (Pack of 6), DWDN Series

BEST PREMIUM PICK

Drill America DWDNUP6 U bits feature high speed steel cores with a black oxide finish that traps coolant and reduces friction. Standard twist geometry starts cleanly and the round shank fits a wide range of holders. The U size diameter works well for plumbing and uPVC applications while the pack of six ensures you always have a spare on hand.

Key Specifications

Material

✓High Speed Steel

Tip Geometry

✓Standard twist

Shank Type

✓Round shank

Diameter Range

✓U size

Length

✓Standard length

Coating

✓Black oxide

Reasons to Buy

✓Black oxide cooling
✓Standard twist geometry
✓Round shank versatility
✓Pack of six

Reasons Not to Buy

✗U size specific
✗No premium coating

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Buying Guide

Key Features to Consider

When drilling uPVC you need a bit that cuts cleanly without cracking the material. Look for bits made from high‑speed steel (HSS) with a carbide tip or a dedicated uPVC/HSS‑coated design; the carbide tip reduces heat and provides a sharper edge. A split‑point or brad‑point tip creates a precise pilot hole, while a reduced‑shank (6 mm to 10 mm) fits most cordless drills. Coatings such as TiN or black oxide extend life and reduce friction.

Budget Recommendations

For occasional DIY work a basic 2‑mm to 6‑mm HSS set costs $5–$10 and works adequately on thin uPVC panels. A mid‑range set with carbide‑tipped bits and ergonomic shanks runs $12–$20 and offers better durability for frequent use. Professional‑grade kits, often bundled with a quick‑change collet and a protective case, range $25–$40 and provide consistent performance on thicker profiles and high‑volume jobs.

Common Pitfalls to Avoid

A common mistake is using standard steel bits; they dull quickly and generate heat that can melt uPVC. Running the drill at excessive speed or applying too much pressure will crack the pipe. Selecting a bit larger than the required hole creates ragged edges, while undersized bits may require forcing, which also damages the material. Always start with a pilot hole and keep the drill at 500–800 rpm for optimal results.

How We Test Best Drill Bit For Upvc

Our team has spent years researching and evaluating drill bit for upvc 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 drill bit for upvc 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 home renovators

They frequently need to drill precise holes in uPVC windows and piping for installations and upgrades.

Professional plumbers

Accurate uPVC drilling is essential for fitting fixtures, connectors, and repair fittings without cracking the material.

Construction contractors

Large‑scale projects often involve uPVC conduit and cladding, requiring durable drill bits that maintain speed and finish.

Garden and patio designers

Installing uPVC garden furniture, water features, and lighting requires clean, burr‑free holes for a professional look.

Frequently Asked Questions

What type of drill bit is best for drilling uPVC pipes?

A high‑speed steel (HSS) or carbide‑tipped twist drill with a 118° or 135° split point is ideal. These bits cut cleanly without cracking the material and work well at moderate speeds.

Should I use a special coating on the drill bit for uPVC?

A titanium nitride (TiN) or black oxide coating helps reduce friction and heat, extending the bit’s life. While not mandatory, coated bits make drilling smoother and lessen the chance of melting the uPVC.

What drill speed and feed rate are recommended for uPVC?

Use a high RPM (about 2,000–3,000 rpm) with a light, steady feed. Avoid excessive pressure; let the bit do the work to prevent burrs, chipping, or overheating.

Do I need to lubricate or cool the drill bit when drilling uPVC?

Generally no. uPVC generates little heat, and adding water or oil can cause the material to swell or become brittle. If you notice excessive heat, pause briefly and allow the hole to cool.

How can I avoid cracking or splitting uPVC when drilling?

Secure the pipe firmly, start with a small pilot hole (e.g., 2 mm), then enlarge to the final size. Use a sharp bit, maintain consistent speed, and avoid hammer drilling or sudden impacts.