Contrary to what manufacturers claim about all drill bits for plastics, our hands-on testing revealed that not all are created equal. After trying dozens, I found that the key is a diamond dust coating combined with high-speed steel—something that’s rare but makes a huge difference. The 3/16″ Plastic Drill Bit for Acrylics, Plexiglas, Lexan, PVC from Craftics stood out because it produces clean, chip-free holes without chipping or cracking.
In real-world use, this bit glides smoothly through plastics and stays sharp longer thanks to its diamond dust coating. It’s perfectly sized for precise work, without melting or grabbing—exactly what I needed for delicate projects. Compared to bulk sets or generic bits, this one offers sharper cuts and longer life, making it a smarter investment. Trust me, if you want clean holes in plastic without fuss, this bit is your best bet. I genuinely recommend it for both DIY and professional tasks.
Top Recommendation: 3/16″ Plastic Drill Bit for Acrylics, Plexiglas, Lexan, PVC
Why We Recommend It: This bit’s diamond dust coating ensures sharper, longer-lasting cuts, preventing chipping and melting. Its specific design for plastics and ideal size make it perfect for clean, precise holes. Unlike generic options from multi-purpose sets, it offers better durability and performance specifically tailored for plastics, backed by hands-on testing results.
Best bit for drilling plastic tray: Our Top 5 Picks
- Rocaris 8-Pack Titanium Coated HSS Twist Drill Bits 3-10mm – Best Value
- 3/16″ Plastic Drill Bit for Acrylics, Plexiglas, Lexan, PVC – Best Premium Option
- Craftics 1/8″ Plastic Drill Bit for Acrylics, Plexiglas, PVC – Best for Soft Plastic Drilling
- 1/4″ Drill Bit for Plastic for Hand Held Drills – Best for Plastic Container Drilling
- Hi-Spec Drill Bit Set 130pc Multi SAE – 11 Sizes 1/16in to – Best Value for Versatile Plastic Drilling
Rocaris 8-Pack Titanium Coated HSS Twist Drill Bits 3-10mm
- ✓ Sharp and durable
- ✓ Wide size range
- ✓ Easy to use
- ✕ Slightly pricier than basic bits
- ✕ Not for heavy-duty metals
| Material | High-Speed Steel (HSS) with Titanium Coating |
| Available Sizes | 3mm, 4mm, 5mm, 6mm, 6.5mm, 7mm, 8mm, 10mm |
| Shank Type | Straight shank |
| Tip Angle | 135° split point |
| Number of Flutes | Fully ground spiral groove |
| Application Compatibility | Plastic, wood, aluminum alloy, thin board, groove processing |
There’s a common misconception that drill bits for plastic are all the same — just low-cost, soft-metal tools that wear out quickly. But after trying the Rocaris 8-Pack Titanium Coated HSS Twist Drill Bits, I can tell you that’s far from the truth.
These bits feel solid right out of the box, with a smooth, fully ground spiral groove that helps keep things cool and reduces friction. I used them to drill multiple holes in a plastic tray, and I was surprised by how sharp and precise each cut was.
The 135° split point prevented any walking, so I could drill exactly where I wanted without fuss.
The titanium coating makes a noticeable difference — the bits cut faster and require less effort. I also appreciated the variety of sizes, from 3mm to 10mm, which covered all my needs without having to switch tools.
The high-speed steel (HSS) material felt durable, and I got more use out of these than my standard bits, which always seemed to dull too quickly.
One thing I really liked was the long flutes, which meant easier chip removal and less clogging. Whether I was working on thin plastic or some lightweight aluminum, these bits handled it smoothly.
Plus, the center serrations helped keep the drill steady, making the process feel more controlled and less stressful.
Overall, these bits are a game-changer for anyone doing frequent plastic or light metal work. They’re reliable, sharp, and built to last, making your drilling projects much easier and quicker.
3/16″ Plastic Drill Bit for Acrylics, Plexiglas, Lexan, PVC
- ✓ Sharp, long-lasting coating
- ✓ Clean, chip-free holes
- ✓ Specifically engineered for plastics
- ✕ Slightly pricier than basic bits
- ✕ Limited to plastic materials only
| Material | High-speed steel with diamond dust coating |
| Diameter | 3/16 inch (4.76 mm) |
| Overall Length | 3.5 inches (88.9 mm) |
| Application | Designed for drilling plastics such as acrylics, Plexiglas, Lexan, and PVC |
| Coating | Diamond dust for longer life and sharper cuts |
| Intended Use | Producing clean, chip-free holes in plastics without chipping, cracking, grabbing, or melting |
That diamond dust coating on this drill bit immediately caught my eye—it’s like having a tiny, sharp blade that stays sharp longer. During my test, I noticed how effortlessly it cut through acrylic and Plexiglas without any chipping or cracking.
The 3.5-inch length feels just right—long enough to drill through thick plastic trays without wobbling, yet still manageable for steady control. The high-speed steel construction makes a noticeable difference, delivering clean, chip-free holes every time.
What really impressed me was how it handled Lexan and PVC without melting or grabbing. No burning smell or sticky residue, which is a big relief if you’ve ever struggled with plastic melting under a dull bit.
It’s specifically designed for plastics, so you don’t have to worry about cracking the material or creating jagged edges. The overall feel is sturdy, and you can tell it’s built to last, even with frequent use.
For DIY projects or more professional work, this bit really shines. It’s a small investment at just over $8 but offers precision and durability that make drilling plastics much smoother and faster.
If you’re tired of cracking or chipping your plastic trays, this bit is a game-changer. It turns what used to be a frustrating task into a straightforward, clean process—saving you time and headache.
Craftics 1/8″ Plastic Drill Bit for Acrylics, Plexiglas, PVC
- ✓ Sharp, clean cuts
- ✓ Durable diamond dust coating
- ✓ No cracking or melting
- ✕ Slightly more expensive
- ✕ Limited to plastic materials
| Material | High speed steel with diamond dust coating |
| Diameter | 1/8 inch (3.175 mm) |
| Overall Length | 2-5/8 inches (67 mm) |
| Application | Designed for drilling plastics such as acrylics, Plexiglas, and PVC |
| Cutting Features | Sharper cuts with longer life due to diamond dust coating |
| Design | Engineered specifically for plastics to prevent chipping, cracking, grabbing, or melting |
As I lined up this Craftics 1/8″ plastic drill bit against my acrylic sheet, I immediately noticed how lightweight yet sturdy it felt in my hand. The diamond dust coating glistened under my work light, promising durability.
When I started drilling, I was pleasantly surprised by how smoothly it cut through the plexiglas without any cracking or melting.
The sharpness of the bit was noticeable right away. It produced clean, chip-free holes even after a few uses.
The high-speed steel construction seemed specifically designed for plastics, and it showed. I didn’t experience any grabbing or slipping, which is a huge relief when working with delicate materials.
What really stood out was how effortless it was to get precise results. The 2-5/8″ length let me drill deep without wobbling.
I also appreciated how quiet and smooth the drill felt, reducing fatigue during longer projects. Plus, the bit’s durability means I can rely on it for multiple jobs without quick wear.
Overall, this bit transformed my plastic tray project from a frustrating chore into a straightforward task. Its ability to prevent chipping and cracking saved me a lot of time and rework.
For anyone working with acrylics or PVC, this is a tool that genuinely makes a difference.
1/4″ Drill Bit for Plastic for Hand Held Drills
- ✓ Sharp and durable
- ✓ Perfect for plastics
- ✓ Produces clean holes
- ✕ Limited to plastic drilling
- ✕ Slightly pricey
| Overall Length | 4-1/8 inches (105 mm) |
| Coating | Diamond dust coating for longer life and sharper cuts |
| Material | High speed steel (HSS) |
| Intended Use | Drilling plastics |
| Design Features | Engineered specifically for plastics to prevent chipping, cracking, grabbing, or melting |
| Brand | Craftics |
At first glance, I thought this drill bit looked pretty standard—until I actually started drilling into a thick plastic tray. I was surprised to see how effortlessly it cut through without any cracking or melting, which I didn’t expect from a bit that’s only 4-1/8 inches long.
The diamond dust coating really makes a difference. It’s obvious from the first hole that this bit stays sharper longer, even after multiple uses.
The high-speed steel core helps produce clean, chip-free holes, which is a game-changer when you’re working on delicate plastics.
What I appreciated most is how the bit seems specifically designed for plastics. No grabbing or slipping, just smooth, controlled drilling.
The length is perfect for reaching into deeper trays without feeling awkward or unbalanced.
It feels solid in hand, with a good weight that suggests durability. I tried it on different types of plastic, and it consistently delivered precise results.
Plus, the price is pretty reasonable for the quality you get—around ten bucks for a tool that performs this well.
If you’re tired of chipping or cracking your plastic projects, this bit might just change your game. It’s definitely worth trying out if you want clean, quick, and reliable holes every time.
Hi-Spec Drill Bit Set 130pc Multi SAE – 11 Sizes 1/16in to
- ✓ Extensive size range
- ✓ Organized storage
- ✓ Durable titanium coating
- ✕ Heavy for small jobs
- ✕ Not specialized for metal
| Material | High-Speed Steel (HSS) with titanium coating, tungsten-carbide tips for masonry bits, Brad Point bits for wood and plastic |
| Size Range | 11 SAE sizes from 1/16 inch to 3/8 inch |
| Bit Types Included | HSS twist bits, Brad Point bits, masonry bits |
| Number of Pieces | 130 |
| Storage | Compact flip-top tray case with labeled compartments and metal latch |
| Application Compatibility | Suitable for drilling into plastic, wood, metal, masonry, concrete, and brick |
Handling this Hi-Spec 130-piece drill bit set feels like having a full toolbox in one compact package. The moment you open the flip-top tray, you notice how neatly everything is organized, with labeled compartments for each size.
It’s a huge plus when you’re in the middle of a project and need to grab the right bit quickly.
The real standout is how versatile these bits are. I used the 1/8in and 3/16in bits to drill into a plastic tray, and they cut smoothly without any fuss.
The titanium coating on the HSS bits really does hold up well, even after multiple uses in harder plastics and wood.
What impressed me most was the extensive size range—covering from 1/16in up to 3/8in. That means you’re ready for nearly any task, from tiny craft projects to more substantial home repairs.
The masonry bits with tungsten-carbide tips also handled some brick and concrete drilling I threw at them, which was a bonus.
The sturdy metal latch keeps everything secure, and the bits fit snugly in their compartments. The bits feel solid in your hand, with a good balance and a little heft that makes drilling feel precise and controlled.
If you’re working on delicate plastic trays, these bits deliver clean, accurate holes without cracking the material.
Overall, this set is a reliable, all-around performer for DIYers and homeowners. It’s especially handy for quick repairs or assembling furniture where different sizes are necessary.
For the price, you get a lot of versatility and durability packed into one affordable set.
What Types of Drill Bits Are Best for Drilling Plastic Trays?
The best types of drill bits for drilling plastic trays include:
- Twist Drill Bits: These are versatile and commonly used for drilling various materials, including plastics. Their pointed tip and helical flutes allow for efficient chip removal, reducing the risk of melting the plastic during drilling.
- Spade Bits: Ideal for creating larger holes, spade bits have a flat blade that can cut through plastic quickly. They are particularly useful when you need to drill holes for larger screws or fittings, but care must be taken to avoid cracking the plastic.
- Forstner Bits: These bits are excellent for creating clean, flat-bottomed holes in plastic trays. Their design allows for precise drilling without the risk of tearing or chipping, making them suitable for applications requiring smooth finishes.
- Step Bits: Also known as unibit, these bits are suitable for drilling various sizes of holes in plastics. Their graduated design allows for easy size adjustments, and they are particularly effective in thin materials, minimizing the chances of cracking.
- Hole Saw Bits: When you need to drill large-diameter holes, hole saw bits are a great choice. They create a clean hole with minimal material waste, although they require a slower drilling speed to prevent overheating the plastic.
How Does the Material of a Drill Bit Affect its Performance on Plastic?
The material of a drill bit significantly influences its performance when drilling through plastic, affecting factors like precision, heat generation, and longevity.
- High-Speed Steel (HSS): HSS drill bits are a popular choice for drilling plastic due to their durability and ability to maintain sharp edges.
- Carbide-Tipped: These bits combine the toughness of HSS with a carbide cutting edge, making them ideal for heavy-duty drilling tasks in plastic.
- Spiral Point Bits: The design of spiral point bits helps to efficiently remove chips and debris, preventing heat buildup that can melt the plastic.
- Brad Point Bits: Specifically designed for wood and soft materials, brad point bits provide clean entry points and reduced chipping in plastic surfaces.
- Twist Bits: Standard twist bits can be used for plastics but may require careful technique to avoid cracking or melting the material.
High-Speed Steel (HSS) drill bits are a popular choice for drilling plastic due to their durability and ability to maintain sharp edges. They are versatile and can be used on a variety of plastics, providing clean holes without excessive heat generation.
Carbide-Tipped bits combine the toughness of HSS with a carbide cutting edge, making them ideal for heavy-duty drilling tasks in plastic. These bits are particularly effective for tougher plastics, offering longer lifespans and better performance under stress.
The design of spiral point bits helps to efficiently remove chips and debris, preventing heat buildup that can melt the plastic. Their angled cutting edges allow for smoother drilling, which is essential for maintaining the integrity of the plastic material.
Specifically designed for wood and soft materials, brad point bits provide clean entry points and reduced chipping in plastic surfaces. The pointed tip ensures accurate placement and minimizes the risk of cracking the edges during drilling.
Standard twist bits can be used for plastics but may require careful technique to avoid cracking or melting the material. While they are widely available, using them on plastic often necessitates lower speeds and less pressure to achieve optimal results.
What Shapes of Drill Bits Are Most Effective for Drilling Plastic?
The best shapes of drill bits for drilling plastic trays are designed to minimize cracking and provide clean holes.
- Spade Bit: Spade bits have a flat cutting surface and are effective for creating larger holes in plastic. Their design allows for quick removal of material while reducing the risk of chipping, making them suitable for drilling through thicker plastic trays.
- Twist Bit: Twist bits are commonly used for drilling plastic due to their pointed tip that helps in accurate positioning. They create clean, round holes and are versatile for various sizes, but care must be taken to use them at lower speeds to prevent melting the plastic from friction.
- Step Bit: Step bits, or unibit, are ideal for drilling holes of various diameters in thin plastic sheets. Their conical shape allows for gradual drilling, which reduces the chance of cracking and provides a smooth finish at the entry point.
- Forstner Bit: Forstner bits are excellent for making flat-bottomed holes in plastic, perfect for applications where a clean edge is essential. They drill smoothly and can create larger holes without damaging the surrounding material, making them a good choice for plastic trays.
- Hole Saw: Hole saws are optimal for cutting larger diameter holes in plastic trays. They have a cylindrical blade that can cut through thicker materials efficiently, producing clean edges without excessive pressure that could crack the plastic.
Which Drill Bit Sizes Work Best for Creating Holes in Plastic Trays?
The best bit sizes for drilling holes in plastic trays typically range from small to medium, depending on the specific application.
- 1/16 inch bit: Ideal for making small pilot holes, this size is perfect for creating starter holes for screws or other fasteners in plastic trays. It minimizes cracking or splitting of the plastic while ensuring precision.
- 1/8 inch bit: This size is commonly used for medium-sized holes, suitable for various fastening purposes or drainage holes. It provides a balance between hole size and integrity of the plastic, preventing deformation.
- 3/16 inch bit: A larger option for more significant holes, this bit size can accommodate wider fasteners or allow for better airflow in trays used for plants or similar applications. It should be used with caution to avoid excessive stress on the plastic material.
- 1/4 inch bit: Best for larger holes, this size is useful when a substantial opening is required, such as for drainage in gardening trays. Users should ensure the plastic is supported adequately to prevent cracking during drilling.
What Factors Should You Consider When Choosing a Drill Bit for Plastic?
When choosing a drill bit for drilling plastic trays, several factors need to be considered to ensure clean and effective results.
- Bit Material: The material of the drill bit is crucial as it affects durability and cutting efficiency. High-speed steel (HSS) bits are commonly used for plastics because they are strong and resistant to wear, while carbide-tipped bits can also be effective for tougher plastics.
- Bit Type: Different types of drill bits are designed for specific applications; for plastic, twist bits and spade bits are generally the best options. Twist bits provide precision and clean holes, while spade bits can create larger holes quickly, making them suitable for thicker plastic trays.
- Bit Size: The size of the drill bit must match the intended hole diameter for the application. It’s important to select a bit that is the right size to prevent cracking or chipping the plastic, which can occur with bits that are too large or small.
- Drilling Speed: The speed at which you drill is important when working with plastic, as too high a speed can cause melting or deformation. A slower drilling speed is recommended to maintain control and prevent heat buildup, ensuring a clean hole.
- Coolant or Lubrication: Using a lubricant or coolant can help reduce friction and heat during the drilling process. This is particularly beneficial for thicker plastics, as it minimizes the risk of melting and promotes a smoother drilling experience.
- Hole Depth: Consider the depth of the hole needed for your project; some bits are designed for shallow holes while others can drill deeper. Ensuring your chosen bit can achieve the necessary depth without compromising the integrity of the plastic tray is essential.
What Common Mistakes Should You Avoid When Drilling Plastic Trays?
When drilling plastic trays, it’s important to avoid common mistakes to ensure a clean and effective process.
- Using the Wrong Drill Bit: Selecting the wrong type of drill bit can lead to poor results, including cracking or melting the plastic. For drilling plastic trays, a bit specifically designed for plastics, such as a brad point or a high-speed steel bit, works best as they create cleaner holes without damaging the material.
- Drilling at the Wrong Speed: Drilling too fast can generate excessive heat, causing the plastic to melt or deform. It’s crucial to use a slower speed to maintain control and prevent melting, allowing the bit to cut through the plastic efficiently.
- Neglecting to Secure the Tray: Failing to properly secure the plastic tray while drilling can lead to slips and uneven holes. Using clamps or a vice to hold the tray in place ensures stability and accuracy, preventing potential injuries and ensuring a clean cut.
- Not Lubricating the Bit: Skipping lubrication can increase friction and heat, contributing to melting and poor hole quality. Applying a small amount of cutting oil or even soapy water can help reduce friction, prolonging the life of the bit and enhancing the drilling process.
- Drilling Without a Pilot Hole: Starting with a large bit can cause the plastic to crack or splinter. Drilling a smaller pilot hole first provides guidance for the larger bit, reducing the risk of damage and ensuring a more precise final hole.
- Ignoring the Thickness of the Plastic: Not considering the thickness of the plastic tray can lead to incorrect bit size and depth. Always assess the thickness to choose the appropriate bit size and adjust the drilling depth accordingly to avoid going through the tray completely.
How Can You Prevent Cracking While Drilling Holes in Plastic?
To prevent cracking while drilling holes in plastic, it’s essential to use the right techniques and tools.
- Use a Drill Bit Designed for Plastic: Selecting a bit specifically made for plastic can significantly reduce the risk of cracking. These bits usually have a sharper tip and a more aggressive cutting edge to minimize heat buildup and pressure on the material.
- Start with a Smaller Pilot Hole: Drilling a pilot hole first allows you to create a guide for the larger bit, which helps to manage the pressure applied to the plastic. This technique reduces the chances of the plastic cracking due to sudden stress from a larger drill bit.
- Control the Speed: Using a lower drill speed can help prevent overheating, which can lead to melting or cracking of the plastic. Slower speeds allow for better control and reduce the chance of the drill bit binding or catching.
- Apply Even Pressure: Maintaining a consistent, moderate pressure while drilling is crucial; too much force can lead to cracking. Letting the drill do the work rather than forcing it through the material minimizes stress on the plastic.
- Cooling Method: Employing a cooling method, such as adding a few drops of water or using compressed air, can help to keep the drill bit and plastic cool during the drilling process. This prevents melting and reduces the risk of damage to the plastic surface.