10 Best Long Drill Bits
#1 Best Pick
Twist Drill Bit Set, 5 Different Sizes Drill Bit Drill Bit, Extra Long Drill Bit Spiral Drill Bit, for Wood for Drilling Metal
Brand: Sutinna
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- Twist drill bits are made from high-speed steel for high hardness and durability
- This set includes 5 pieces drill bit in different sizes of the most popular drill bits.
- Extra long cutting allows you using these bits to drill deep holes
- They are great for most drilling jobs and materials such as aluminum, wood, plastics
- Twisted drill bits will make the drilling easier and more effortless
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#2 Best Value
Hymnorq M35 Cobalt Steel Fractional 11/64 Inch Dia. x 3.26 Inch Long Twist Drill Bit Set of 10pcs, Jobber Length and Round Shank, 135 Degree Split Point Heat Resistant for Metalworking
Brand: Hymnorq
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- Premium Quality Material: Made from M35 grade cobalt steel (5% cobalt) for enhanced durability and strength, perfect for tough materials.
- Dual Twist Flute Design: Reduces friction, improves chip removal, and provides smoother, more efficient drilling.
- 135° Split Point: Offers faster starts and reduced bit walking for precise and accurate drilling.
- Chamfered Shank End: Provides a secure, stable fit in your drill, reducing slippage during use.
- Convenient Storage: Comes with a tough, transparent PP case for organized storage and easy access to all 10 bits.
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#3 Budget Pick
NUZAMAS 300mm Extra Long Twist Drill Bits Set of 7 Hardened High Carbon Steel Tools 4-10mm for Wood Hole Cutter Drilling
Brand: NUZAMAS
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- Extra-long (300mm long) straight brad point woodworking drill, set of 7 drills.
- High-carbon steel, hardened by quenching heat, tough and durable
- Three sharp points on top of the drill bit are designed to fix the drill point, prevent wondering and walking, perfect for drilling the extra thick wood.
- In high-speed drilling, wood chips are powdered and it is mainly used to process small holes.
- Size includes 4mm，5mm，6mm，7mm，8mm，10mm，12mm. Ideal For DIY, home and general building/engineering using
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#4 Top Choice
8pcs Twist Drill Bit Set, 200mm Extra Long Spiral Drill Bit High-Speed Steel Straight Shank Twist Drill Bits Set Tool 4-10mm for Wood Plastic and Aluminum
Brand: Wakects
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- These twist drill bits are made of high-speed steel for high hardness and durability, sturdy and
- 8 SIZES: This set includes 8 pieces drill bit in different sizes of the most popular drill bits
- EXTRA LONG: Extra long (200mm) cutting allows you using these bits to drill deeper holes.
- WIDE APPLICATION: They are great for most drilling jobs and soft materials such as aluminum, wood, plastics, can be widely used.
- SHARP: Sharp twisted drill bits will make the drilling easier and more effortless.
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#5 Popular Choice
6-Piece 460mm Extra Long Auger Wood Drill Bits Set Hex Shank Twist 10-20mm with Box
Brand: SEDY
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- 6 SIZES INCLUDED — Comes with 6 premium auger bits: 10mm, 12mm, 14mm, 16mm, 18mm, and 20mm. Perfect for woodworking, carpentry, and DIY deep hole drilling tasks.
- HIGH PRECISION CUTTING — Wide slot front edge design provides fast chip removal, smooth drilling, and clean exit without burrs or blockages.
- ANTI-SLIP HEX SHANK — Each bit has a 10mm hex shank for stable gripping, strong torque transmission and safe operation with lithium, hand or bench drills.
- QUICK & ACCURATE POSITIONING — Centre positioning acceleration thread ensures faster start, accurate drilling, and efficient hole creation for both hardwood and softwood.
- WOODEN STORAGE CASE — Comes in a durable wooden box (48 x 15 x 4 cm) for safe storage and easy transport — keeps your bits organised and protected.
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#6 Top Pick
Extra Long Twist Drill Bit Set, 10 Pcs 150mm Straight Shank Drill Bit Tool High Speed Steel Straight Shank Tool Sets 2 3 3.5 4 5mm Drill Bits Kits for Wood and Metal
Brand: Flylin
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- PREMIUM HSS QUALITY: Crafted from high-speed steel, our Extra Long Twist Drill Bits guarantee superior hardness and durability. This premium material ensures that you can tackle various drilling tasks with confidence, providing long-lasting performance for all your projects.
- SMOOTH DRILLING EXPERIENCE: Designed with a sharp twisted tip, these drill bits facilitate effortless drilling. Whether you're working with wood, plastic, or aluminum, the efficient design of our Extra Long Twist Drill Bits allows you to penetrate tough materials smoothly, reducing strain during use.
- DEEP HOLE FUNCTIONALITY: Thanks to their extra-long length, these twist drill bits excel at drilling deep holes with precision. This feature is essential for reaching difficult areas and accommodating diverse project needs, making them perfect for professionals and DIY enthusiasts alike.
- MULTI-MATERIAL USAGE: Our Extra Long Twist Drill Bits are versatile tools suitable for an extensive range of applications. From woodworking to plastic fabrication and aluminum drilling, they serve as an indispensable part of any toolkit, enabling you to complete various tasks efficiently.
- ESSENTIAL TOOLKIT ADDITION: Elevate your toolkit with our Extra Long Twist Drill Bits, designed for hobbyists and professionals. Their exceptional strength and versatility make them a must-have for anyone looking to achieve high-quality results in their drilling projects.
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#7 Top Pick
Extra Long Twist Drill Bit High Speed Steel Drill Bit Sets Straight Shank Spiral Drill Bit for Wood Plastic and Aluminum 2-5mm
Brand: YDuupxe
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- [5-piece Set] Includes 5 drill bits in various sizes, suitable for most drilling jobs and materials like aluminum and wood.
- [ Twisted Design] Makes drilling easier and more efficient, enhancing overall drilling experience.
- [High-speed Steel Material] Twist drill bits made from high-speed steel for durability and hardness.
- [Extra Long Cutting Allows for drilling deep holes effortlessly.
- [Versatile Usage] Ideal for a wide range of materials including wood, plastics, and aluminum.
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#8 Top Pick
ZONADA 7pcs in Set 300mm Extra Long Twist Drill Bits, Hardened High Carbon Steel Tools 4-10mm for Wood Hole PVC Plastic Cardboard Cutter Drilling
Brand: ZONADA
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- - Set of 7 ZONADA Extra Long Drill Bits. Durable & strong, it is made by high quality high carbon steel, and with heat treated, it is harder
- - 7 pcs in set, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm and 12mm and extra-long as 300mm
- - Good solution for deep hole processing.
- - The 3-pointed head, is easier for drill in the center, and not easy to shift away.
- -Wide range of uses, suitable for household DIY uses, especially for reprocessing the small hole of the wood
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#9 Top Pick
NEIKO 10047A Extra Long Drill Bit Set | 5-Piece | M2 HSS Steel | 12-Inch Length | 1/8, 3/16, 1/4, 5/16, and 3/8-Inch
Brand: Neiko
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- [LONG REACH]: Extra-long drill bits give you 12 inches of added length to work with and provides more stability during quick operations.
- [DURABLE]: These drill bits are made from heat-treated M2 high speed steel for excellent hardness, wear resistance, and toughness.
- [SMOOTH DRILLING]: Combining high hardness and sharp pointed tips, these drill bits easily puncture tough materials for a smooth drilling finish.
- [VERSATILE]: Long drill bits can be used for drilling into metal, wood, plastic, PVC, and many other materials.
- [INCLUDES]: This extra-long drill bit set has (5) standard sizes of 12-inch drill bits that includes: 1/8-inch, 3/16-inch, 1/4-inch, 5/16-inch, and 3/8-inch.
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#10 Top Pick
Extra Long 230mm Brad Point Wood Drill Bit Set Metric - 7 Pack Carpenters Quality - Drill Splinter-Free Perfectly Round Holes in All Types of Wood (4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm)
Brand: TOOLMAYS
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- Built for Demanding Depths: Master those deep-drilling projects with our set of seven extra-long 230mm wood drill bit set. Engineered for unwavering stability, the bits are crafted from premium high-speed steel (HSS) for diameters 4mm, 5mm, and 6mm, and rugged HC steel for the 7mm, 8mm, 10mm, and 12mm sizes—ensuring superior durability and a longer lifespan.
- Precision-Ground for Cleaner Cuts: Designed to DIN 7487 standards, these bits feature a double-ground spiral flute that slices through material effortlessly, delivering clean, splinter-free holes. The extended length and exceptional sharpness allow for efficient chip removal, preventing clogging and keeping your work smooth.
- Drill Almost Anything: The round shank offers broad compatibility with most drills, making these your go-to bits for achieving great depths in a wide range of materials. They excel in softwood, hardwood, plywood, particleboard, hardboard, and various plastics.
- Organized and Protected: Arriving in a reusable eco-friendly pouch, your bits are kept neatly organized, protected from damage, and ready for use. Each bit is permanently laser-etched with its size for easy identification. We also apply a protective anti-rust coating before shipping to guarantee they arrive in perfect condition.
- Engineered for Superior Performance: These bits are heat-treated and tempered to maintain their cutting edge even under high-speed operation. The advanced geometry ensures faster penetration and smoother drilling action, providing professional-grade results with every use.
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