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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.
[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.
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...
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.
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.
150mm Length: When you meet obstructions or when deep holes are required, the 150mm length drill bits are very useful.
Four Sizes: Drill bits with diameters 3mm, 4mm, 5mm, 6mm are the most prevalently used sizes. We are confident that this set can fulfill the vast majority of your drilling needs. There is always one correct size right for you this time or next time.
Cobalt material: These drill bits are made of high-speed steel cobalt, which has excellent hardness and wear resistance, making them an ideal choice for drilling various metals.
Faster Drilling: The 135-degree point tip enables rapid penetration with less pressure, and the twist design efficiently removes metal shavings.
Versatile Use: Great for drilling hard metal, stainless steel, cast iron, copper, aluminum alloy, PVC, plastic, wood. Please pay attention to the control of speed, pressure, and heat while drilling.
1/8" Aircraft Extension Drill Bits: 1/8 inch x 6 inch drill bits, 6-Piece. Ideal for drilling wood, soft metal, metal sheet, plastic, pvc
UP to 3X Longer Life: Made of M2 high speed steel, provide extreme durability and resisting breakage. Black and gold coating for high-heat resistant and rust protection
Efficiently and Clean: Fully ground technology for PRECEISION and FAST drilling clean, burr-free holes
Prevent Walking: 135 Degrees split point for precision start NO WALKING, and stays sharper longer than your standard drill bit
Optimized Flute Design: Fast chip removal. Comes with straight shank. Size markings on the shank for identifying sizes quickly
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Last update on 2026-07-11 / 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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