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Item #:
223793828
Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239)
88% of respondents would recommend this to a friend
Item #:
223793828
USD 32
Price Details
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Order now and get it around Sunday, October 11
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The FASTEST SPEEDBOR EVER with three cutting spurs for faster, cleaner holes and extended drilling life.
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What Stands Out
Precision Cutting
Designed with a unique cutting edge, the Irwin SPEEDBOR drill bits provide smooth and precise drilling, reducing splintering and enhancing the quality of your work on wooden surfaces.
Rapid Chip Removal
These drill bits feature a patented design that accelerates chip removal, allowing for faster drilling speeds and increased productivity, making them ideal for both professional and DIY woodworking projects.
Durable Construction
Crafted from high-quality materials, the Irwin SPEEDBOR bits ensure long-lasting performance and durability, reducing the need for frequent replacements and providing excellent value for your investment.
Product Details
| Brand Name | IRWIN |
| Model | 1877239 |
| UPC | 042526916762 |
| Set Name | SPEEDBOR MAX 4IN OAL 6PC CLAM SET |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00042526916762 |
| Manufacturer | IRWIN |
| Part Number | 1877239 |
| Number of Pieces | 6 |
| Included Components | (6) Speedbor Max Speed Bits sizes: 1/2" ,5/8", 3/4", 7/8", 1" and 1-1/8" |
| Item Type Name | SPEEDBOR MAX 4IN OAL 6PC CLAM SET |
| Item Weight | 1.6 ounces (45.36 grams) |
| Cutting Diameter | 10.2 centimeters |
| Item Dimensions | 1.22 x 6.1 x 9.25 inches (3.1 x 15.5 x 23.5 cm) |
| Minimum Bore Diameter | 4 inches |
| Material Type | Blend |
| Finish Types | Brushed |
| Shank Type | Hex |
| Surface Recommendation | Wood |
| Cutting Angle String | 135 degrees |
| Tool Flute Type | Spiral |
| Point Style | Screw Point |
| Number of Flutes | 3 |
| Material | Blend |
| Finish Type | Brushed |
What's in the box
(6) Speedbor Max Speed Bits sizes: 1/2" ,5/8", 3/4", 7/8", 1" and 1-1/8"
Who Should Buy?
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Woodworking Enthusiasts
Ideal for hobbyists and professionals, offering precision and speed for various woodworking projects.
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Construction Professionals
Excellent choice for contractors needing durable bits for quick, clean wood drilling in construction settings.
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Home Improvement DIYers
Perfect for home projects, allowing easy drilling for furniture assembly, shelving, or repairs.
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Metal Working
Not suitable for drilling into metal materials, which require specialized drill bits for effective performance.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What materials can I use the Irwin Speedbor Drill Bit Set on?
Answer: The Irwin Speedbor Drill Bit Set is designed primarily for wood, making it ideal for softwoods and hardwoods alike. The bits are engineered with a unique cutting design that allows for efficient drilling through various wood types, including plywood and composite materials. These bits are perfect for tasks such as creating holes for dowels, screws, and other fasteners, making them a versatile choice for woodworking projects. -
Question:
What is the difference between Speedbor bits and regular drill bits?
Answer: Speedbor bits are specifically designed for rapid and precise drilling in wood, thanks to their aggressive cutting edges and center point. Unlike regular drill bits, which may struggle with faster penetration and chip removal, Speedbor bits feature a wide flute design that enhances chip clearance, allowing you to drill deeper holes without bogging down. This makes them particularly useful in framing, cabinetry, and woodworking applications where speed and efficiency are crucial. -
Question:
Can I use the Irwin Speedbor Drill Bit Set for creating large-diameter holes?
Answer: Yes, the Irwin Speedbor Drill Bit Set excels in creating large-diameter holes, specifically up to 4 inches wide. Its sturdy construction and sharp cutting edges allow for efficient drilling even in denser wood types. This capability makes it ideal for tasks such as installing plumbing, electrical conduits, or creating anchor points in furniture. For larger holes, simply apply steady pressure, and let the bit do the work. -
Question:
Are these drill bits suitable for beginners?
Answer: Absolutely! The Irwin Speedbor Drill Bit Set is user-friendly and perfect for both beginners and experienced users. The sharp cutting edges and quick penetration allow for a smoother drilling experience, reducing the risk of errors. Whether you are assembling furniture, fixing home projects, or embarking on DIY renovations, these bits will provide reliable performance, making them a go-to choice for users new to drilling. -
Question:
How should I maintain my Irwin Speedbor Drill Bit Set?
Answer: Proper maintenance of your Irwin Speedbor Drill Bit Set will extend its life. After use, clean the bits to remove any wood debris and avoid rusting. Store them in a dry place and consider using a bit case to protect them from damage. Periodically check the cutting edges for sharpness; if they become dull, you may need to sharpen them to maintain performance. This simple maintenance routine will keep your bits in optimal condition for future projects. -
Question:
What size drill is compatible with the Irwin Speedbor Drill Bit Set?
Answer: The Irwin Speedbor Drill Bit Set is compatible with standard electric drills and drill presses that accept a 1/4-inch hex shank. For optimal use, ensure your drill has enough power to handle larger diameter bits, especially when working with harder woods. The versatility of these bits allows them to be effectively used in various types of drills, making them suitable for both casual DIYers and professional woodworkers. -
Question:
What projects can I tackle with the Irwin Speedbor Drill Bit Set?
Answer: With the Irwin Speedbor Drill Bit Set, you can tackle a variety of woodworking projects. These bits are perfect for creating deep holes for dowels when assembling furniture, boring large holes for wiring and plumbing, or even crafting custom cabinetry. Their efficiency in drilling through various types of wood ensures that whether you're a hobbyist or a professional, you'll achieve clean and precise results every time. -
Question:
Is the Irwin Speedbor Drill Bit Set suitable for industrial use?
Answer: Yes, the Irwin Speedbor Drill Bit Set is suitable for industrial use, thanks to its robust construction and superior cutting performance. Whether you're in carpentry, general contracting, or cabinetry, these bits are designed to withstand heavy use and provide consistent results. Their ability to drill through different wood types rapidly makes them a preferred choice in environments where time and precision are paramount. -
Question:
What should I do if my drill bit gets stuck while drilling?
Answer: If your drill bit becomes stuck during drilling, stop the drill immediately to avoid damaging the bit or the material. Gently reverse the drill to relieve pressure, then pull the bit out carefully. To prevent this from happening, ensure that you are using the correct speed and feed rate for the material you are drilling. Additionally, using a pilot hole can help prevent resistance and achieve smoother operation. -
Question:
Where can I buy the Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece 1877239?
Answer: You can conveniently purchase the Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood from Ubuy in Ecuador. Ubuy offers a wide selection of Irwin products, along with detailed descriptions to help you make informed decisions. With their user-friendly platform, you can easily find the right tools for your woodworking projects and have them delivered to your address.
IRWIN Wood Drill Bit Sets Editorial Review
Irwin Tools IRWIN SPEEDBOR Drill Bit Set for Wood, 4-Inch, 6-Piece (1877239) offers a high-quality assortment for DIY enthusiasts. With bits ranging from 1/2" to 1-1/8", this set is designed to tackle various wood drilling tasks effortlessly. Many users have praised the bits for their aggressive cutting and minimal splintering, which make them ideal for creating clean holes in softwoods. The shorter length allows for better maneuverability in tight spaces, while the unique screw point design helps the bits self-feed into the wood, reducing the effort needed during drilling. However, new users are advised to handle these bits with care as they can generate significant torque when used with powerful drills.
Customer Reviews & Ratings
2530 customers ratings
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5 Star
77%
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4 Star
15%
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3 Star
5%
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2 Star
1%
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1 Star
2%
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Pros
- Aggressive cutting for fast drilling
- Shorter length fits tight spaces
- Minimal splintering for clean holes
- Self-feeding design reduces effort
- Includes a variety of useful sizes
Cons
- Initial packaging quality could be improved
Platform Trust & Buyer Confidence
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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USD 32
Order now and get it around Sunday, October 11
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Fastest cross-border delivery
Features & Benefits
- Fastest Speedbor wood drilling bit on the market.
- Full screw-point tip for self-feeding and ease of use.
- Three cutting spurs ensure faster and cleaner holes.
- Designed for less breakout and extended drilling life.
- Tapered tri-flute design for quick chip ejection and reduced binding.
- Compatible with all standard 1/4 quick-change chucks, including impact drills.
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