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Long length drill bits are essential for reaching deep into materials, whether for construction, woodworking, or specialized installations. Selecting the appropriate bit ensures cleaner holes, reduces the risk of breakage, and improves overall project efficiency. Understanding key features will help you make an informed decision for your specific needs.
12-INCH EXTRA LONG DESIGN FOR DEEP DRILLING – With a full 12-inch (300mm) length and 9-inch drilling depth, this set easily tackles thick wood, beams, and through-holes. It solves the common problem where standard 6-8 inch bits are too short for deep or...
PRECISE BRAD POINT & CLEAN HOLES – The unique triangular center tip (Brad Point) bites into wood immediately, preventing skidding and ensuring pinpoint accuracy. The specially ground cutting edges produce clean, splinter-free entry and exit holes...
10 MOST-USED SIZES IN ONE SET – Covers essential diameters from 1/8” to 1/2” (1/8", 9/64", 5/32”, 11/64", 3/16", 7/32", 1/4", 5/16", 7/16", 1/2”). A complete collection for various tasks—from pilot holes to large dowel holes—saving you time...
DURABLE CARBON STEEL & PERMANENT MARKS – Made of hardened carbon steel (HRC52) for lasting sharpness. Each bit features permanently laser-etched size markings that won’t rub off, eliminating the frustration of identifying worn, painted sizes.
EFFICIENT CHIP REMOVAL & RUST PROTECTION – The optimized spiral flutes quickly eject wood chips, reducing heat buildup and bit jamming. A factory-applied anti-rust coating, paired with the included storage case, ensures long-term organization and bit...
Built for Demanding Depths: Master those deep-drilling projects with our set of seven extra-long 9.05" wood drill bit set. Engineered for unwavering stability, the bits are crafted from premium high-speed steel (HSS) for diameters 1/8",3/16",1/4", and...
Precision-Ground for Cleaner Cuts: Designed to DIN 338 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...
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...
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...
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...
[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.
GIFD - OUR MISSION IS SIMPLE: To help enthusiasts, homeowners, hobbyists, tradesmen, Shadetree Mechanics and perfectionists get the job done.
SUITABLE FOR VARIOUS APPLICATIONS: Brad point drill bits that fit bench drill, and conventional hand drill. High hardness, superior drilling power and durability. Perfect for hardwood, particleboard, fiberboard, plastic, plywood, PVC, rubber etc.
THERE IS NO ONE IN OUR LEVEL: We have created the best extra long drill bit set anywhere. Insanely sharp steel, a FULL 10pc set, including sizes 1/8", 9/64”, 5/32”, 11/64", 3/16", 7/32", 1/4”, 5/16", 7/16”, 1/2", and a storage sleeve - to keep 'em...
BRAD POINT DRILL BITS SET FOR WOOD FEATURES: Extra-long brad-point specifically manufactured for you to hit all the hard-to-reach places. The sharp point on the tip allows you to pinpoint the mark offering superior no skid accuracy and centering.
YOUR SATISFACTION IS THE ONLY THING THAT MATTERS TO US - Unsatisfied customers can't dominate projects. If you need a refund, replacement, or any support at all just shoot us a message. A 1-Year Warranty applies to all Baker and Bolt products.
HOLLSUM Extra Long HSS Drill Bits – 5-Piece Metric Set is designed for users who need durable, high-performance tools for deep hole and long-reach drilling. This set includes 8 metric sizes—4mm, 4.2mm, 4.5mm, 5mm...
Made from premium high-speed steel (HSS), these drill bits offer excellent hardness, heat resistance, and cutting efficiency. Whether you are working with metal, stainless steel, wood, or plastic, these fully-ground...
Each drill bit measures approximately 200mm (8 inches) in length, giving you extended reach in areas where standard drill bits cannot access. The 135° split point ensures quick starts, greater accuracy, and improved...
The straight shank design allows these drill bits to fit most standard corded and cordless drills, including drill presses, right-angle drills, and pin vise hand tools. This makes the set suitable for woodworking, automotive repair...
Note: Storage case is not included. The HOLLSUM Extra Long Metric HSS Drill Bit Set is a must-have addition to any professional or DIY toolbox, offering strength, reach, and precision for all your deep hole drilling needs.
These cobalt drill bits are designed for long lasting durability and performance, ensuring fast and easy penetration through many different materials.
Heavy-Duty Material: Our drill bits for hardened steel feature a heavy-duty construction made with M35 cobalt (5% cobalt) and an industrial strength titanium coating, which provide excellent durability and superior resistance against abrasion and high...
Split Point Tip: These cobalt drill bits feature a 135 degree split point tip that prevents slipping and can help increase drilling speed while ensuring smooth and easy penetration.
Compatible Materials: Hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics, wood and more, and a wide range of applications such as repair, construction, or woodworking.
High-Speed Steel Construction: These Twist Drill Bits are crafted from high-speed steel (HSS), known for its incredible hardness and durability. This robust material ensures that the drill bits can withstand the rigors of extensive use, making them a...
Versatile Size Range: This set includes five essential drill bits in sizes 2mm, 3mm, 3.5mm, 4mm, and 5mm, catering to a variety of drilling needs. Whether you're working on intricate woodworking projects or general repairs, these bits cover a wide range...
Extra Long Cutting : The extra-long cutting on these drill bits allows you to drill deeper holes efficiently, which can be particularly useful for specific applications that require precision. This feature not only enhances your drilling capability but...
Effortless Drilling Experience: Designed with an incisive twist, these drill bits make drilling through a variety of materials—including aluminum, wood, and plastics—easier than evers. The spiral design helps to clear chips and debris while drilling...
Ideal for Multiple Projects: Whether you're a DIY hobbyist, a professional contractor, or just tackling some home improvements, these Twist Drill Bits are perfect for a range of projects. Their versatility means you can confidently approach various...
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Last update on 2026-08-28 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Long Length Drill Bits
Comparison Tips
When comparing options, look at the material of the bit and any coatings for durability. Check the flute length to ensure it meets your depth requirements. Examine the shank type for secure chuck engagement. Read reviews focusing on performance in similar materials and applications to gauge reliability and breakage resistance.
Frequently Asked Questions
What is the difference between overall length and flute length?
Overall length is the total measurement of the drill bit from tip to shank end. Flute length, or working length, is the portion of the bit with cutting edges and flutes designed to remove material and clear chips.
Can I use any long drill bit with my standard drill?
You need to ensure the drill bit's shank diameter fits your drill's chuck. Also, consider if your drill has enough power and torque for the length and diameter of the bit you intend to use.
How do I prevent a long drill bit from breaking?
Use the appropriate speed and pressure for the material. Ensure the flutes are clear of debris to prevent binding. For very deep holes, consider drilling in stages, partially retracting the bit to clear chips.
What is the best type of long bit for drilling into wood?
For precise holes in wood, a brad point tip is excellent. For general-purpose drilling, standard HSS twist bits with sufficient flute length work well. Auger bits are designed for deep penetration in wood.
Are titanium or black oxide coatings beneficial for long bits?
Yes, these coatings enhance the durability and heat resistance of the drill bit. This is especially important for long bits that can generate significant heat during extended drilling operations.
How do I choose the right diameter for a long drill bit?
Select the diameter based on the size of the hole required for your project. Longer bits can be less rigid, so for very long bits, a slightly larger diameter might provide more stability.
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