10 Best Drill Bits for Plexiglass in 2026

Drilling clean holes in plexiglass can be a real challenge. If you’ve ever ended up with cracked or chipped edges, you’re not alone. Many people struggle to find the right drill bits that make the job easier and produce professional results without damaging the material.

If you want clean, chip-free holes in plexiglass, go for drill bits like Amana Tool’s HSS1520 or SOURCEONE.ORG’s premium bits made specifically for acrylic and plastics.

Look for sharp taper points and spiral flutes to reduce cracking and heat buildup. Sizes from 1/8″ to 1/4″ work well, with diamond dust or titanium coatings adding durability.

Keep an eye on compatibility and bit geometry for best results, and there’s plenty more to take into account to perfect your drilling technique.

Image	Name	Editor's Rating	Price
	Amana Tool – (HSS1520) 1/8" Hss Plastic …	★★★★★ ★★★★★ 5 out of 5	Check Price
	SOURCE ONE SOURCEONE.ORG Premium Drill B…	★★★★★ ★★★★★ 5 out of 5	Check Price
	CRL 1/4" Plexiglass Drill Bit	★★★★★ ★★★★★ 4.5 out of 5	Check Price

Amana Tool – (HSS1520) 1/8″ Hss Plastic Drill 5 Pack

Amana Tool – (HSS1520) 1/8″ Hss Plastic Drill 5 Pack

• Amana Tool is an industry leader for over 40 years
• Devotion to consistently providing the highest quality
• Solutions for manufacturers, fabricators, display and…

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The Amana Tool (HSS1520) 1/8″ HSS Plastic Drill 5 Pack offers a reliable solution for drilling clean holes in plexiglass and other plastics. Its high-speed steel construction ensures sharpness and durability, allowing smooth penetration without cracking or chipping your material. This specialized design addresses common drilling challenges when working with delicate plastics.

Each drill bit features a 3.18 mm (1/8″) cutting diameter and two spiral flutes that efficiently remove debris while providing a precise cut. The straight shank fits standard drill chucks, making it easy to install and use. With these bits, you can expect consistent performance and clean results every time.

Maintenance is straightforward; simply keep the bits clean and sharpen as needed to prolong their lifespan. These bits are tailored specifically for plastics, so they should not be used on harder materials to avoid damage or reduced effectiveness.

This 5-pack offers convenience by providing multiple bits for continuous use or quick replacement. Amana Tool’s reputation for quality and experience ensures these bits meet professional standards for accuracy and durability.

Best for: Professionals and hobbyists who require precise, chip-free drilling in plexiglass and similar plastic materials.

What We Like:

• Durable high-speed steel construction maintains sharpness.
• Two spiral flutes deliver smooth, clean cuts without cracking.
• Straight shank design fits standard drills for easy use.
• Comes in a 5-pack for consistent availability and replacements.

Specification:

SOURCEONE.ORG Premium Drill Bits for Acrylic, Plexiglass, Lucite Plastics

SOURCEONE.ORG Premium Drill Bits for Acrylic, Plexiglass,…

• ✅ Premium Drill Bit for Acrylic, Plexiglass, Lucite…
• ✅ Hand ground in the USA to Avoid Chipping In Plastics

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SOURCEONE.ORG Premium Drill Bits are designed to tackle the challenges of drilling through acrylic, plexiglass, and Lucite plastics with precision. These bits minimize chipping and cracking, helping you achieve clean, professional results every time. Their unique design ensures smooth cutting, which reduces material waste and frustration.

Crafted with a straight shank and two spiral flutes, these drill bits offer efficient chip removal and consistent drilling performance. The aluminum finish adds durability while keeping the bit lightweight and easy to control during use. This design helps maintain accuracy and reduces user fatigue.

Maintenance is straightforward—simply clean the bits after use to prevent buildup and inspect for any wear or damage. Their hand-ground edges, made in the USA, contribute to longer tool life and better cutting precision. These bits are tailored specifically for plastics, making them a reliable choice for specialized drilling tasks.

While they come in a fixed 1/4-inch diameter, their specialized construction solves the common problem of chipping in plastic drilling. However, the spiral flute may not suit every drilling scenario, so consider your project’s needs before use.

Best for: Professionals and hobbyists requiring precise, chip-free drilling in acrylic, plexiglass, and Lucite plastics.

What We Like:

• Hand-ground edges for clean, precise cuts
• Lightweight aluminum finish for easy handling
• Designed specifically to reduce chipping in plastics
• Efficient spiral flute design for smooth chip removal

Specification:

CRL 1/4″ Plexiglass Drill Bit

CRL 1/4″ Plexiglass Drill Bit

• Special Extra Sharp Tip
• Special Tip Angle Prevents “Grab” in Plastic

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The CRL 1/4″ Plexiglass Drill Bit is designed to deliver precise, crack-free holes in plastic materials, making it an essential tool for working with plexiglass. Its extra sharp taper point reduces grabbing and chipping, ensuring a smooth drilling process that prevents damage to delicate surfaces.

Engineered specifically for plastics, this bit’s single-flute design allows for clean and accurate cuts without the complications that come from using general-purpose bits. The straight shank provides stability and ease of use, helping maintain control during drilling.

Maintenance is simple due to its durable construction, which retains sharpness and reduces wear from plastic drilling. However, it is important to note that this bit is not suitable for wood or metal, limiting its versatility to plastic-related projects.

Weighing just 0.634 ounces, the lightweight design enhances maneuverability, reducing fatigue during extended use. Its 1/4 inch cutting diameter is ideal for detailed work requiring precision.

Best for: Professionals and DIY enthusiasts needing a specialized drill bit for clean, crack-free holes in plexiglass and other plastic materials.

What We Like:

• Sharp taper point minimizes cracking and chipping
• Single-flute design ensures clean, precise cuts
• Lightweight and easy to handle for extended tasks
• Durable construction retains sharpness over time

Specification:

1/8″ Plastic Drill Bit by Craftics

1/8″ Drill Bit for Plastic (Acrylics, Plexiglas, Lexan, ABS,…

• 2-5/8″ overall length.
• 2-5/8″ overall length.
• Diamond dust coating for longer life and sharper cuts.

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The 1/8″ Plastic Drill Bit by Craftics is designed to deliver precise, chip-free holes in delicate plastics like acrylic and Plexiglas. Its sharp cutting edge helps reduce material cracking, making it ideal for detailed hobby or professional work. This drill bit solves the common problem of slipping and chipping that can ruin fragile projects.

Its unique 90° point minimizes slipping on smooth surfaces, while the 0° rake angle prevents cracking during drilling. The diamond dust coating keeps the bit sharp longer, ensuring clean cuts and extended durability. These features combine to make your plastic drilling tasks more accurate and efficient.

Crafted from lightweight alloy steel, this drill bit fits both hand and machine drills comfortably. The parabolic flute design efficiently removes chips but may require occasional clearing during extended use. Maintenance is simple—keep the bit clean and sharp to maintain performance.

Made in the USA, this bit offers reliability and consistent results for plastic work. It’s a practical tool that balances precision with durability, helping users achieve professional-quality holes without damaging their materials.

Best for: Hobbyists and professionals needing precise, clean, and chip-free holes in delicate plastic materials such as acrylic, Plexiglas, and ABS.

What We Like:

• Diamond dust coating for sharper cuts and longer life
• 90° point reduces slipping on smooth plastic surfaces
• 0° rake angle prevents cracking during drilling
• Lightweight alloy steel suitable for hand and machine drills
• Parabolic flute design aids in chip removal

Specification:

Amana Tool – (HSS1524) 1/4″ Hss Plastic Drill 5 Pack

Amana Tool – (HSS1524) 1/4″ Hss Plastic Drill 5 Pack

• Amana Tool is an industry leader for over 40 years
• Devotion to consistently providing the highest quality
• Solutions for manufacturers, fabricators, display and…

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The Amana Tool (HSS1524) 1/4″ HSS Plastic Drill 5 Pack is designed for precise, clean drilling in plastic materials. Its high-speed steel construction ensures durability while cutting through plastic smoothly.

The spiral flute design effectively reduces heat buildup, minimizing the risk of cracking, especially in delicate plexiglass. This helps maintain the integrity of your projects and extends the life of each drill bit.

Each bit features a sharp taper point that delivers accurate holes with minimal effort. The straight shank design provides stable handling and consistent performance during use.

Maintenance is straightforward—simply clean after use to prevent residue buildup. The uncoated finish is ideal for plastic but might wear faster under heavy use, so it’s best suited for specialized applications.

Best for: Professionals and hobbyists who need reliable, sharp drill bits for clean holes in plastic materials.

What We Like:

• Durable high-speed steel construction tailored for plastic drilling
• Spiral flute reduces heat and prevents cracking in plexiglass
• Sharp taper point ensures precision and clean cuts
• Straight shank for stable and consistent drilling
• Easy to maintain with simple cleaning after use

Specification:

Titanium Step Drill Bit Set for Sheet Metal

Titanium Step Drill Bit Set Unibit Drill Bits Unibits Set…

• SET INCLUDES: (3) Titanium Step Drill Bits (Hex Shank), (1)…
• The Step Bits in The Unibit Set All Have Quick Change 1/4”…
• The Included Hex Drive QUICK CHANGE BIT HOLDER ADAPTER Lets…

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Crafting precise holes in plexiglass and thin metals requires a drill bit set that offers both versatility and dependability. The Titanium Step Drill Bit Set for Sheet Metal is designed to meet these needs with its robust titanium-coated high-speed steel construction. This combination ensures durability and sharp, clean cuts every time.

The set contains three step drill bits ranging from 1/8” to 3/4”, allowing you to drill a variety of hole sizes without switching bits constantly. Its quick-change hex shank paired with a locking bit holder enhances efficiency, making bit swaps faster and more secure. The split point tip design helps prevent bit walking, providing steady, accurate drilling.

Maintenance is straightforward thanks to the durable titanium coating, which reduces wear and corrosion over time. The included fabric case keeps the bits organized and protected, ready for use on any project. However, the set’s limited number of bits may require supplementary sizes for specialized tasks, and it is best suited for thin materials rather than thick or hard metals.

Best for: DIY enthusiasts and professionals seeking a versatile, durable drill bit set for creating precise holes in thin sheet metals and plastics.

What We Like:

• Durable titanium-coated HSS M2 steel for long-lasting performance
• Quick-change hex shank with locking holder for fast bit swaps
• Wide hole size range from 1/8” to 3/4” in three bits
• Split point tip reduces walking and improves drilling accuracy
• Compact fabric case for easy storage and organization

Specification:

3/16″ Drill Bit for Plastic Materials

3/16″ Drill Bit for Plastic (Acrylics, Plexiglas, Lexan,…

• 3.5″ overall length.
• 3.5″ overall length.
• Diamond dust coating for longer life and sharper cuts.

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You’ll find the 3/16″ drill bit designed specifically for plastic materials an essential tool when working with delicate surfaces like plexiglass or acrylics. This bit is engineered to prevent cracking and melting, ensuring clean, chip-free holes every time. Its diamond dust coating on high-speed steel enhances durability and cutting precision.

The drill bit features a 90-degree cutting angle with a 0-degree rake and straight flutes, making it highly effective for plastics such as ABS, PVC, and Lexan. These design elements reduce stress on the material, allowing for smooth, accurate drilling without damaging the surface.

Lightweight and compatible with hand-held drills, this bit offers ease of handling and improved control. Proper maintenance includes keeping the bit clean and sharp to maintain its performance and longevity. While it excels in plastics, it is not suited for metals or wood.

Its slightly shorter length may limit drilling depth in some applications, and the round shank might require specific drill chucks for a secure fit. Overall, it’s a reliable choice for precision drilling in delicate plastic materials.

Best for: Hobbyists, DIY enthusiasts, and professionals needing precise, chip-free drilling in delicate plastics like plexiglass, acrylics, and PVC.

What We Like:

• Diamond dust coating provides clean, chip-free holes without cracking or melting.
• 90-degree cutting angle and 0-degree rake optimize cutting quality for plastics.
• Lightweight design compatible with hand-held drills for easy handling.
• Delivers smooth, precise drilling on materials like ABS, PVC, and Lexan.

Specification:

Amana Tool – (HSS1522) 3/16″ Hss Plastic Drill 5 Pack

Amana Tool – (HSS1522) 3/16″ Hss Plastic Drill 5 Pack

• Amana Tool is an industry leader for over 40 years
• Devotion to consistently providing the highest quality
• Solutions for manufacturers, fabricators, display and…

Buy on Amazon

The Amana Tool HSS Plastic Drill 5 Pack is designed to make drilling into plastic materials precise and hassle-free. Its 3/16-inch cutting diameter and spear point design ensure clean, accurate holes in plexiglass and similar plastics. This helps reduce cracking, a common challenge when working with delicate plastic surfaces.

Crafted from high-speed steel, these drill bits offer durability and consistent cutting performance. The 118-degree cutting angle combined with spiral flutes efficiently removes material, improving your workflow and minimizing damage. The straight shank design fits most standard drills, providing flexibility for various applications.

Maintenance is straightforward; while the drill bits have an uncoated finish, they remain effective with proper care. Avoid heavy-duty use beyond plastic to preserve their sharpness and longevity. Having five bits in one pack means you’re prepared for multiple projects or replacements without delay.

This set is ideal for users who require precision and clean results when working specifically with plastic materials. Its thoughtful design addresses common drilling issues, enhancing your craftsmanship and reliability.

Best for: Professionals and hobbyists seeking precise, crack-free drilling in plastic and plexiglass materials.

What We Like:

• Durable high-speed steel construction for lasting use
• Spear point with a 118-degree angle reduces cracking
• Spiral flutes efficiently clear debris for smooth drilling
• Pack of five bits ensures readiness for multiple tasks
• Straight shank compatible with most standard drills

Specification:

CRL 1/8″ Plexiglass Drill Bit

CRL 1/8″ Plexiglass Drill Bit

• Special Extra Sharp Tip
• Special Tip Angle Prevents “Grab” in Plastic

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The CRL 1/8″ Plexiglass Drill Bit is engineered to tackle the common challenges of drilling into plastic materials. Its sharp tapered point is designed to reduce cracking and chipping, delivering clean, precise holes every time. This drill bit makes working with plexiglass smoother and more efficient, helping you avoid frustrating material damage.

Crafted specifically for plastic, it features a 0.13-inch cutting diameter that matches the standard 1/8-inch size. The straight shank design ensures stable control during use, making it easier to handle and maintain accuracy. This focused design means it is not suitable for wood or metal but excels with plexiglass and similar plastics.

Maintenance is straightforward due to its lightweight build—only 0.353 ounces—allowing for easy handling and quick adjustments. The two-flute cutting edges promote smooth material removal, reducing heat buildup and extending the bit’s usability over multiple uses.

This drill bit is ideal for projects requiring clean, neat holes in delicate plastic surfaces, providing a reliable solution that minimizes waste and improves project outcomes.

Best for: Professionals and hobbyists needing a precise drill bit tailored for plexiglass and plastic to ensure clean, damage-free holes.

What We Like:

• Sharp tapered point for fast, neat drilling
• Specifically designed to minimize damage to plastic materials
• Lightweight and easy to control with a straight shank
• Two-flute cutting edges for smooth and efficient cutting
• Ideal for delicate plexiglass without cracking or chipping

Specification:

COMOWARE Titanium Twist Drill Bit Set, 16 Pcs

COMOWARE Titanium Twist Drill Bit Set – 16 Pcs Hex Shank…

• HSS Titanium Coating – Classic HSS construction with…
• Flutes Form – 2 flutes form helps clear chips and debris…
• Quick Change – 1/4 inch hex shank fits into all power tools…

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The COMOWARE Titanium Twist Drill Bit Set offers a practical solution for precise drilling through materials like plexiglass, wood, and soft metals. Designed with a titanium coating, these bits stay sharp longer, helping you maintain clean, accurate holes without frequent replacements. Their 2-flute design efficiently removes debris, which reduces heat buildup and minimizes friction during use.

This set includes 16 bits ranging from 1/16″ to 1/4″, covering a variety of small drilling needs. The 1/4″ hex shank ensures quick bit changes and compatibility with most power tools, saving time on your projects. The bits’ staggered cutting teeth help prevent chatter, promoting smooth drilling even in delicate materials.

Maintenance is straightforward—simply keep the bits clean and dry to preserve the titanium coating. The included holder organizes the bits by size, making it easy to find the right piece when you need it. While the set is ideal for light to medium tasks, it is less suited for larger holes or heavy-duty metal work.

Best for: DIY enthusiasts and general builders seeking a durable and versatile drill bit set for daily use on wood, plastic, aluminum, and similar materials.

What We Like:

• Durable titanium coating keeps bits sharp longer
• Efficient 2-flute design reduces heat and friction
• Quick-change 1/4″ hex shank fits most power tools
• Staggered cutting teeth minimize chatter for smooth drilling
• Convenient size-indexed holder keeps bits organized

Specification:

Factors to Consider When Choosing a Drill Bit for Plexiglass

When you’re picking out a drill bit for plexiglass, it’s really important to consider how well the bit works with the material. You want to avoid any cracking or melting while you’re drilling.

Also, keep an eye on the drill bit’s shape and coating—these factors help you get clean and precise holes.

Don’t forget to check the shank and flute design, plus the size options, so you can find the perfect fit for your specific project needs.

Material Compatibility

Although choosing the right drill bit for plexiglass might seem straightforward, you’ll need to evaluate material compatibility carefully to prevent cracking and chipping. Opt for drill bits made from high-speed steel (HSS) or those with special coatings like titanium, as these materials reduce heat and friction during drilling. Verify the bit’s cutting diameter matches your required hole size—common sizes are 1/8 inch and 1/4 inch.

Compatibility with your drill type, whether hand-held or machine, also matters, especially considering plexiglass thickness. Selecting bits with a 90-degree cutting angle and straight flutes helps create clean, chip-free holes. By choosing the right materials and sizes, you’ll protect your plexiglass and achieve smooth, precise drilling results every time.

Drill Bit Geometry

Since drilling plexiglass requires precision, you’ll want to pay close attention to the geometry of your drill bit. A bit with a 90-degree cutting angle and zero rake angle is ideal for producing clean, chip-free holes in this brittle material. Look for a tapered point design, which prevents the bit from grabbing and damaging the plexiglass.

The number of flutes also matters. While more flutes improve chip removal, they can generate heat that risks melting the plastic. Spiral flutes typically clear debris better than straight ones, helping maintain drilling speed without overheating.

Coating and Durability

Selecting the right coating for your drill bit plays a key role in its durability and performance on plexiglass. Titanium and diamond dust coatings greatly improve the bit’s lifespan by reducing friction and heat buildup. This helps prevent melting and chipping of the material.

High-speed steel (HSS) bits offer a strong, sharp base. But adding a coating boosts efficiency and precision. Diamond dust coatings are especially effective for clean, chip-free holes in brittle acrylics and plexiglass.

When you choose a coated drill bit, you minimize damage and guarantee smoother drilling. This means fewer mistakes and longer-lasting tools. You can work confidently without worrying about ruining your plexiglass or dulling your drill bit too quickly.

Shank and Flute Design

Coatings help protect your drill bit, but the shank and flute design directly affect how it performs on plexiglass. You’ll usually want a straight shank since it fits most standard drill chucks securely.

When it comes to the flute design, spiral flutes are your best bet. They efficiently clear chips from the hole, cutting down friction and heat buildup that can damage plexiglass. Two-flute bits work well because they strike a good balance between cutting speed and debris removal for softer materials.

Look for a taper point design to avoid the bit grabbing or cracking the plastic. Finally, a 90-degree cutting angle sharpens the cut and improves precision, helping you drill clean, crack-free holes every time.

Size and Diameter Options

When working with plexiglass, choosing the right drill bit size and diameter is essential to achieve clean, precise holes without cracking the material. Typically, you’ll want a cutting diameter between 1/8 inch and 1/4 inch. Match your bit size to the plexiglass thickness: smaller diameters suit thin sheets, while thicker materials require larger bits.

A 90-degree cutting angle helps prevent chipping and cracking, so select bits designed accordingly. For detailed work or pilot holes, use smaller sizes like 1/8 inch, and for bigger holes, go larger. Also, consider drill bits with two flutes—they clear chips better and reduce heat buildup, minimizing melting.

Frequently Asked Questions

How Do I Prevent Cracking When Drilling Plexiglass?

To prevent cracking when drilling plexiglass, you should use a sharp, slow-speed drill bit designed for plastics. Clamp the material securely and place a scrap piece underneath to support it.

Start with a small pilot hole, then gradually increase the bit size. Avoid applying too much pressure, and keep the drill perpendicular to the surface.

You can also score the drilling spot lightly with a utility knife to reduce stress and minimize cracking. This little extra step really helps keep things safe and crack-free.

Can I Use Regular Metal Drill Bits on Plexiglass?

You *could* use regular metal drill bits on plexiglass, but it’s like trying to carve a diamond with a butter knife. Possible, but risky! Those bits can cause cracking or melting because they’re not designed for delicate plastics.

You’ll want to use special bits made for plexiglass or acrylic to keep things smooth and crack-free. So, do yourself a favor and grab the right tool. That way, you can avoid turning your project into a shattered mess!

What Speed Setting Is Best for Drilling Plexiglass?

You should use a low to medium speed setting when drilling plexiglass, usually between 1,000 and 3,000 RPM. Going too fast can cause the material to melt or crack. Take your time and apply gentle, steady pressure to avoid overheating.

If your drill has variable speed, start slow and increase slightly if needed. Always use sharp drill bits designed for plastics to get clean, precise holes without damaging the plexiglass. This way, you’ll get the best results without any hassle.

How Do I Clean Plexiglass After Drilling to Avoid Scratches?

Think of cleaning plexiglass like wiping a delicate mirror. Handle it gently. After drilling, use a soft, lint-free cloth dipped in a mild soap and water solution to wipe away debris.

Avoid abrasive cleaners or rough cloths. They’re like sandpaper scratching a canvas. Pat dry with a microfiber cloth to keep your surface clear and shiny.

Treat it with care, and your plexiglass will stay as flawless as a calm lake’s reflection.

Are There Safety Precautions Specific to Drilling Plexiglass?

Yes, you should wear safety goggles to protect your eyes from flying chips and use a mask to avoid inhaling dust. Secure the plexiglass firmly to prevent movement, and drill slowly to reduce heat buildup, which can cause cracks.

Using a backing board helps prevent splintering on the underside. Also, avoid applying too much pressure. Let the drill bit do the work to keep your plexiglass intact and safe.

Conclusion

When drilling plexiglass, you might think any drill bit will do, but specialized bits like those listed here make all the difference. They reduce cracking and create cleaner holes, proving that the right tool truly matters.

Choosing high-quality, purpose-built bits not only protects your material but also saves time and frustration. So, don’t just pick any drill bit. Invest in one designed specifically for plexiglass to get the best results every time.