Finding the best drill bits for plastic is crucial for any project involving acrylic, plexiglass, PVC, or other polymer materials. Unlike drilling wood or metal, plastic requires specific drill bit characteristics to prevent chipping, melting, or cracking. The right drill bit will deliver clean, precise holes without damaging your workpiece. Our expert team has tested and reviewed a range of top contenders to help you choose the ideal tools for seamless plastic drilling, whether you’re a DIY enthusiast or a professional fabricator.
Quick Product Comparison
Our Top 5 Best Drill Bits For Plastic Reviews – Expert Tested & Recommended
1. DEWALT 14-Piece Drill Bit Set for Plastic, Also Suitable for Wood and Metal
The DEWALT 14-Piece Drill Bit Set is an exceptional choice for anyone needing versatile bits for plastic, wood, and metal. Designed with a 135-degree split point tip, these bits excel at starting holes precisely without “walking,” making them ideal for delicate plastic surfaces. Made from High-Speed Steel, they offer excellent durability and consistent performance across various materials.
Key Features That Stand Out
- ✓ 135-Degree Split Point Tip: Reduces walking and allows for easy, precise starts without a pilot hole.
- ✓ High-Speed Steel (HSS) Construction: Ensures durability and suitability for drilling plastic, wood, and metal.
- ✓ Tapered Web Design: Provides extreme durability and resistance to breakage, enhancing tool life.
- ✓ Black and Gold Coating: Offers improved wear resistance and corrosion protection.
Why We Recommend It
We recommend the DEWALT 14-Piece Set because it combines versatility with performance. The split-point tip is a game-changer for drilling plastic, ensuring clean entry and exit points. Its robust HSS construction means you get a reliable set that can handle multiple materials, making it a great all-around addition to any toolbox.
Best For
This set is best for DIY enthusiasts and professionals who frequently work with a variety of materials including acrylic, PVC, wood, and light metals, requiring precision and durability from their drill bits.
Pros and Cons
Pros:
- Excellent for starting holes without bit walking, especially on plastic.
- Highly durable High-Speed Steel construction.
- Versatile for use on plastic, wood, and metal.
- Tapered web design significantly reduces breakage.
Cons:
- May not be optimized for very thin or very soft plastics where a zero-rake angle is preferred.
- The included case closure can be a bit tricky for some users.
Customer Reviews
Customer Review: I recently added the DEWALT 14‑piece drill bit set to my toolkit, and it’s been putting in the work. The split‑point tips drill cleanly without walking, making it easy to start holes in plastic, wood, and metal—all without a pilot drill. Made from high‑speed steel with a durable black-and-gold coati
Customer Review: Amazing drill bits for the price! Have used on wood, metal, and plastic. Clean cutting, stayed sharp so far. The case has an odd closure, but otherwise I love these drill bits!
2. High-Speed Steel 1/8-inch Drill Bits for Precision and Clean Cuts in Plastic
When it comes to achieving precision and clean cuts in plastic, the High-Speed Steel 1/8-inch Drill Bits by Amana Tool stand out. Amana Tool has been a leader in the industry for over 40 years, known for its devotion to consistently providing the highest quality solutions. These bits are engineered to minimize chipping and melting, which are common issues when drilling through various types of plastic, including Lexan and acrylic.
Key Features That Stand Out
- ✓ Premium High-Speed Steel: Ensures durability and sharp cutting edges for prolonged use.
- ✓ Optimized Geometry: Specifically designed to reduce friction and heat buildup when drilling plastic.
- ✓ Industry Leader Quality: Produced by Amana Tool, known for their high standards in cutting solutions.
- ✓ Precision Engineered: Delivers exceptionally clean and accurate holes, crucial for delicate plastic work.
Why We Recommend It
These 1/8-inch drill bits are our Editor’s Choice because they address the specific challenges of drilling plastic head-on. Their design prevents common problems like cracking or melting, leaving you with smooth, professional-looking holes. For delicate and precise plastic applications, these bits offer superior control and results.
Best For
These drill bits are best for projects requiring small, precise holes in various plastics like acrylic sheets, Lexan, or thin plastic components where a clean finish is paramount and typical bits might cause damage.
Pros and Cons
Pros:
- Exceptional for achieving clean cuts in delicate plastics.
- Minimizes cracking and melting due to optimized design.
- High-quality construction from a reputable industry leader.
- Very effective for drilling through materials like Lexan without issues.
Cons:
- Being small (1/8-inch), they may require careful handling to avoid breakage.
- Primarily designed for plastic, less versatile for other materials compared to general-purpose sets.
Customer Reviews
Customer Review: I am not a tool type of person but I had a sheet of acrylic I needed to attach to a door, where the dog broke a pane of glass. Drilling a screw directly into the acrylic cracked it, so after a lot of research I came across these. They are tiny so I had to kind of wiggle them around a bit to make the
Customer Review: I used these to drill Lexan, it worked really well. Very effective.
3. ZELCAN Titanium HSS Step Drill Bit Set, 1/4-1-3/8 Inches for Plastic Drilling
The ZELCAN Titanium HSS Step Drill Bit Set is an excellent budget-friendly option for those needing to create various hole sizes in plastic and thin metals. Made from High-Speed Steel and coated with titanium, these bits offer good durability and heat resistance, crucial for preventing plastic from melting. Their revolutionary stepped design and two-flute construction ensure quick, clean drilling.
Key Features That Stand Out
- ✓ Durable HSS Construction: High-speed steel ensures longevity, outperforming many standard bits.
- ✓ Titanium Coating: Enhances heat, corrosion, and rust resistance, ideal for various materials including plastic.
- ✓ Stepped Design: Allows for creation of multiple hole sizes with a single bit, from 1/4 inch to 1-3/8 inches.
- ✓ Tri-Flatted Shank: Provides a secure grip in power tool chucks, eliminating slippage during drilling.
- ✓ Two-Flute Design: Efficiently clears chips and debris, leading to faster and cooler drilling.
Why We Recommend It
This ZELCAN set is our Best Budget pick because it offers impressive versatility and performance for its price point. The step drill design is particularly useful for achieving varying hole sizes in plastic without needing to switch bits, and the titanium coating helps maintain sharpness and reduce heat, minimizing the risk of melting. It’s a reliable choice for occasional or medium-duty tasks.
Best For
This set is best for individuals or workshops needing to drill a range of hole sizes in plastics like PVC, acrylic, or polyethylene, as well as thin iron and aluminum sheets, without investing in multiple individual drill bits.
Pros and Cons
Pros:
- Cost-effective solution for multiple hole sizes.
- Titanium coating improves durability and reduces heat.
- Tri-flatted shank provides excellent grip and prevents slippage.
- Two-flute design ensures efficient chip removal and faster drilling.
Cons:
- May not have the same longevity as premium-grade bits for heavy, continuous use.
- Requires precise control, especially when nearing the full diameter, to prevent over-drilling in soft plastics.
Customer Reviews
Customer Review: Inexpensive step bit used to drill out a few holes for trailer hitch install. Unsure on longevity but worked without issue on two 1 1/8 holes I needed. Fair price and helped me get the job done. I believe the bit has more life in it and I’m sure it will get used in the future for jobs here & there.
Customer Review: Used this to make a new soap dispenser hole in our old stainless steel kitchen sink. Went right through, no issues. Seems like it’s pretty decent quality.
4. Stepped Point HSS M2 Titanium-Coated Drill Bit Set for Plastic, Metal, and Wood
The Stepped Point HSS M2 Titanium-Coated Drill Bit Set is engineered for superior performance across plastic, metal, and wood. Featuring M2 High-Speed Steel with a durable titanium coating, these bits are built to resist heat and wear. The precision stepped point drill bit design is self-centering, significantly reducing bit walking and making it easier to start holes cleanly in various materials, including challenging plastics like acrylic or polycarbonate.
Key Features That Stand Out
- ✓ Premium M2 HSS Construction: Offers exceptional hardness and heat resistance for extended bit life.
- ✓ Titanium Coating: Enhances durability, reduces friction, and provides corrosion resistance.
- ✓ Stepped Point Design: Self-centering tip eliminates the need for a pilot hole and prevents bit walking.
- ✓ 2-Flute Steel Drilling Design: Efficiently removes chips, ensuring cooler and faster drilling.
- ✓ 3-Flat Anti-Slip Shank: Provides an optimal grip in the drill chuck, preventing slippage during heavy-duty tasks.
Why We Recommend It
We highly recommend this drill bit set for its innovative stepped point design, which is particularly beneficial for drilling into plastic. This feature ensures immediate engagement and accurate hole placement without the risk of skidding, and the M2 HSS with titanium coating promises longevity and consistent performance across a range of materials. It provides a clean, professional finish every time.
Best For
This set is best for users requiring high-performance drill bits that can handle diverse materials from plastic to metal and wood, especially when precise starting and clean holes are critical, such as in cabinetry or fabrication projects.
Pros and Cons
Pros:
- Self-centering stepped point for precise hole starts without walking.
- M2 HSS with titanium coating ensures excellent durability and heat resistance.
- Effective for drilling clean holes in plastic, metal, and wood.
- Anti-slip shank design provides enhanced grip and stability.
Cons:
- The stepped point might not be ideal for extremely thin plastics where a sharp conventional twist drill with a modified tip is sometimes preferred.
- Requires a drill press for optimal performance and control, especially for larger holes.
Customer Reviews
Customer Review: I,ve had to charge my drill at least 10 times over the weekend, while working on a few projects. And while I was also using the drill on some wood screws, I had just as much metal work needing to be done too. Bits stayed sharp and strong. Only had them for a few days now and they’ve already outlived
Customer Review: Appear to be a quality product. The stepped point is genius! A punch for aim is all you need. Works better in a drill press than a hand drill.I’d recommend.
5. Titanium Twist Drill Bit Set, High Speed Steel Hex Shank for Plastic, Wood, Metal 1/16-1/4
The Titanium Twist Drill Bit Set with High Speed Steel and a hex shank offers a versatile solution for drilling into plastic, wood, and metal. These bits feature classic HSS construction with a titanium coating, enhancing both durability and performance. The hardened and honed cutting edge ensures sharpness, while the two-flute design efficiently clears chips, minimizing friction and heat during operation – a critical factor for preventing melting when drilling plastic.
Key Features That Stand Out
- ✓ HSS with Titanium Coating: Provides a robust and durable drill bit, resistant to wear and heat.
- ✓ Hardened and Honed Cutting Edge: Ensures superior sharpness for effective material penetration.
- ✓ 2-Flute Form: Optimizes chip and debris removal, reducing friction and heat for cooler drilling in plastic.
- ✓ Quick Change 1/4 Inch Hex Shank: Fits easily and securely into all power tools, especially quick-change chucks and impact drivers.
- ✓ Versatile Size Range: Covers common drilling needs from 1/16 to 1/4 inch.
Why We Recommend It
This Titanium Twist Drill Bit Set is highly recommended for its excellent balance of durability, versatility, and user-friendly design. The hex shank is a major convenience for quick bit changes, making it compatible with a wider range of drills and impact drivers. Its titanium coating and efficient flute design contribute to smoother, cleaner holes in plastic, reducing common issues like melting and cracking.
Best For
This set is ideal for general home improvement tasks, DIY projects, and light professional use where quick bit changes and reliable performance across plastic, wood, and light metal are needed. It’s particularly useful for those using impact drivers.
Pros and Cons
Pros:
- Hex shank allows for quick changes and compatibility with impact drivers.
- Titanium coating enhances bit life and reduces drilling heat.
- Efficient 2-flute design prevents chip buildup and promotes cooler drilling.
- Suitable for a broad range of materials including various plastics.
Cons:
- Not ideal for heavy-duty metal drilling; better suited for light to medium tasks.
- The range of sizes (1/16-1/4 inch) might be too limited for projects requiring larger holes.
Customer Reviews
Customer Review: These are excellent drill bits that have a hex shank so they work in a regular drill or impact driver. I used them to drill through aluminum and they worked great.
Customer Review: God these for my son because I broke one of his old ones. He was very pleased to get these Titanium drill bits. A good product at a good value.
Complete Buying Guide for Best Drill Bits For Plastic
Essential Factors We Consider
When selecting the best drill bits for plastic, several key factors influence performance and the quality of your finished holes. First and foremost, the material of the drill bit is critical. High-Speed Steel (HSS) is a popular choice due to its durability and ability to withstand the heat generated during drilling. Coatings like titanium further enhance heat resistance and reduce friction, preventing the plastic from melting and creating a smoother cut. Second, consider the tip geometry. For plastic, a 135-degree split point tip helps prevent “walking” and allows for precise starts without a pilot hole, minimizing cracking. Some specialized plastic drill bits feature a zero-rake angle to scrape rather than cut, which further reduces stress on the material. Lastly, the flute design matters. Wider flutes can clear chips more efficiently, reducing heat buildup. For thicker plastics, a slower drill speed and regular bit retraction to clear debris are also recommended.
Budget Planning
Investing in quality drill bits for plastic doesn’t always mean breaking the bank. Our selection includes options that cater to different budgets without compromising essential performance. Entry-level HSS drill bit sets offer good value for occasional DIY projects, while mid-range titanium-coated HSS bits provide enhanced durability and heat resistance for more frequent or demanding tasks. If you’re a professional who regularly works with various types of plastic, investing in a premium set with specialized tip geometries will pay off in terms of precision, longevity, and reduced material waste. Consider the frequency and intensity of your plastic drilling tasks to determine the best balance between cost and performance. Remember, a slightly higher upfront cost for specialized bits can save you money and frustration by preventing damage to expensive plastic materials.
Final Thoughts
Choosing the right drill bit for plastic is paramount for achieving clean, professional results and avoiding common pitfalls like melting, chipping, or cracking. Bits with High-Speed Steel construction, often enhanced with titanium coatings, provide the necessary durability and heat management. Features like 135-degree split points or specialized stepped designs ensure accurate starts and efficient material removal. By prioritizing these characteristics, you can confidently tackle any project involving drilling into plastic, whether it’s delicate acrylic sheets or robust PVC pipes. Always match the bit to the specific plastic type and desired hole quality for optimal outcomes.
Frequently Asked Questions
Q: What type of drill bits are best for plastic?
A: High-Speed Steel (HSS) drill bits are generally the best choice for plastic. Look for bits with a 135-degree split point tip to prevent walking and ensure clean starts. Titanium-coated HSS bits are also excellent as they offer enhanced durability and heat reduction, which is crucial for preventing plastic from melting.
Q: How do you prevent plastic from cracking when drilling?
A: To prevent plastic from cracking, use a sharp drill bit, preferably one with a modified or 135-degree split point tip. Apply light, consistent pressure and use a slower drill speed to reduce heat and stress on the material. Back the plastic with a scrap piece of wood to provide support as the bit exits, minimizing blowout and cracking.
Q: Can I use regular drill bits on plastic?
A: While you can use regular drill bits on plastic, they are not ideal. Standard drill bits (especially those designed for wood) can cause chipping, cracking, or melting due to their aggressive cutting angles and tendency to generate excessive heat. Using specialized or optimized HSS bits will yield much cleaner and safer results.
Q: What speed should I drill plastic at?
A: Generally, you should drill plastic at a slower speed than you would wood or metal. Slower speeds reduce heat buildup, which helps prevent melting and warping of the plastic. The exact speed depends on the type and thickness of the plastic, as well as the drill bit size, but err on the side of caution with lower RPMs.
Q: Are step drill bits good for plastic?
A: Yes, step drill bits can be very good for plastic, especially for creating larger holes or deburring existing holes cleanly. Their conical shape allows you to gradually enlarge a hole, and many step bits come with coatings (like titanium) that reduce friction and heat. They are excellent for thin plastic sheets and can create a neat, burr-free finish.
Selecting the best drill bits for plastic significantly impacts the quality and ease of your projects. By understanding the unique demands of different plastic types and choosing bits with optimized materials, tip geometries, and coatings, you can ensure clean, precise holes every time. Our top recommendations, from versatile HSS sets to specialized step bits, are designed to help you achieve professional results. Ready to upgrade your toolkit? Click on the “Check Price on Amazon” buttons next to your preferred drill bits to find the perfect set and elevate your plastic fabrication game!
I’m Darrell Julian, the founder, lead writer, and hands-on welding enthusiast behind ArcWeldingPro.com. With more than 15 years of real-world welding experience, I created this platform to share what I’ve learned in the field, in the shop, and in the heat of the arc.
