Best Installer Drill Bits of 2025

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Installer drill bits are a must-have for any DIY enthusiast or professional contractor. These specialized drill bits are designed to make quick work of drilling through wood, metal, and plastic, and are perfect for installing screws, bolts, and other fasteners. With their unique flute design, installer drill bits are able to quickly and efficiently remove material from the hole, reducing the risk of overheating and extending the life of the bit. Whether you're hanging shelves, building furniture, or constructing a new deck, installer drill bits are an essential tool that will make your job easier and more efficient.
At a Glance: Our Top Picks
Top 10 Installer Drill Bits
Greycore 1/2" x 54" Flexible Drill Bit
The Greycore Flexible Drill Bit is designed for wire pulling and fishing, measuring 1/2 inch by 54 inches. Its unique auger head is compatible with all standard drill chucks, allowing you to easily drill through various types of wood, including hardwoods and plywood. The innovative fish eye holes on both ends let you pull wires from either side, providing flexibility during installation. Plus, the durable one-piece design features a machine-sharpened cutting head, ensuring longevity and reliability for your projects. Maneuvering in tight wall spaces is a breeze with its flexible shank, making it a valuable tool for any DIY enthusiast.
IRWIN 1890707 Wood Installer Drill Bit, 18-Inch
The IRWIN 1890707 Installer Drill Bit is designed for drilling in wood with an 82˚ point that ensures fast and smooth drilling. The flute of the bit includes a hole for easy wire pulling through walls, ceilings and floors. The 3-flatted shank prevents slipping in the drill chuck, and the premium high carbon steel construction extends the drilling life in wood.
IRWIN 36-Inch Installer Drill Bit for Wood
The IRWIN 36-Inch Installer Drill Bit for Wood features an 82˚ point that ensures fast and smooth drilling in wood. Its flute has a hole for easy wire pulling through walls, ceilings, and floors. The 3-flatted shank prevents slipping in the drill chuck, and the bit's premium high carbon steel construction guarantees extended drilling life in wood. It is an excellent choice for those who need to drill through thick wood materials.
Freud Installer Bit 1/2 in. x 18 in.
The Freud Installer Bit is designed for efficiency and precision. Its ultra-sharp tip allows you to quickly create straight holes in clean wood or stacked lumber, saving you time on your projects. The black oxide coating on the flutes enhances chip removal, ensuring that your work area remains clean and clear. Additionally, a small hole in the flute makes it easy for you to pull wires and cables through walls, ceilings, and floors, simplifying your installation tasks. With its extended length, you can access hard-to-reach areas, making this bit an essential tool for any DIY enthusiast or professional.
HANSHAN Flexible Installer Drill Bit Fish Bit 3/4-Inch by 54-Inch
HANSHAN Fish Bit is a versatile tool for wire installation in ceilings and walls with minimal damage. Its high-quality material allows for up to 90 degrees of flexibility, making it easy to navigate tight spaces. The three flat tip shank prevents slipping in the chuck, ensuring stability during use. The fish eye hole near the tip aids in pulling wires through walls without causing damage. With a 3/4-inch head diameter and a 54-inch length, the HANSHAN Fish Bit is a convenient solution for your wire installation needs.
HUAALIUCHE 3/4-Inch Installer Drill Bit
The HUAALIUCHE Fish Bit is designed to help you run wires through tight spaces in finished walls and ceilings with minimal damage. Its high-quality material ensures durability for long-term use, giving you peace of mind during your projects. The unique anti-slip end features a three-flat tip shank, which prevents slipping in the chuck, making your drilling experience more efficient. Additionally, the fish eye hole near the tip allows you to easily pull wire through wall cavities without causing any harm to the surfaces, streamlining your wiring tasks.
Eagle Tool US Installer Drill Bit EHS25036
Eagle Tool US Drill Bit EHS25036 is a heavy-duty high-speed drill bit made in the USA. It features a split point for easy starting, a flexible spring steel shank with wire fishing accommodation holes, and a non-slip grip on the chuck end. Additionally, it can be adapted with a Quick Switch Hex for a Quick Change chuck. The drill bit is perfect for precise drilling tasks, ensuring a smooth start, easy maneuverability, and a secure grip for accurate drilling.
Mixiflor Flexible Installer Drill Bit
Mixiflor Installer Drill Bit is a versatile tool designed to make your wire installation tasks easier. With a black oxide coating, it offers enhanced hardness and rust resistance. The 54-inch length and 1/4" shank allow compatibility with most electric drills. Its exceptional flexibility of up to 90 degrees enables effortless maneuvering in tight spaces. The pointed cutter head is perfect for laying cables neatly on walls and ceilings without causing damage. This tool ensures smooth wire threading without tangling or slipping, making your projects more efficient.
Wedelweib Installer Drill Bit 54"
The Wedelweib Drill Bit is crafted from high-quality #65 Carbon Steel, ensuring durability and effectiveness when drilling through various types of wood, including hardwoods and plywood. Its unique design features a pulling hole at both ends, allowing you to pull wires from either direction, which adds convenience during installations. The three flat tip shank prevents slipping, giving you better control while you work. Additionally, the flexible shank minimizes damage to walls and ceilings, making it a reliable choice for projects like ceiling light or network cable installation.
Freud Installer Bit 5/16 in. x 18 in.
The Freud Installer Bit is designed to make your drilling tasks easier and more efficient. Its ultra-sharp tip allows you to quickly create clean holes in wood or stacked lumber, saving you time and effort. The black oxide coating on the flutes enhances chip removal, ensuring a smoother drilling experience. Additionally, the small hole in the flute makes it convenient for pulling wires and cables through various surfaces, such as walls and ceilings. With its extended length, you can easily access hard-to-reach areas, making this bit a versatile tool for any project.
Frequently Asked Questions (FAQs)
1. What drill bits do machine shops use?
Machine shops typically use alloy steel drill bits for cutting sheet metal of varying thicknesses. These drill bits are specifically designed for working with thin materials and are considered the best option for metal cutting in machine shops.
2. What are the three types of drill bits?
There are several types of drill bits, but three common types are twist drill bits, counterbore bits, and countersink bits. Additionally, there are flat bottom boring bits and specialty bits available for specific applications.
3. Are more expensive drill bits worth it?
The cost of drill bits can vary, and more expensive drill bits may be worth the investment depending on the situation. If you are working on expensive or vital equipment, investing in unbreakable drill bits can help prevent damage. However, for drilling softwood, plastic, or thin metal sheets, inexpensive drill bits are generally sufficient.
4. What drill do jewelers use?
Jewelers often use diamond twist drills for working with gemstones and glass. These drills are coated in diamond and are ideal for creating small holes in gemstones for jewelry applications. They are also perfect for drilling holes in glass.
During our installer drill bit research, we found 24 installer drill bit products and shortlisted 10 quality products. We collected and analyzed 10,533 customer reviews through our big data system to write the installer drill bits list. We found that most customers choose installer drill bits with an average price of $24.03.
The installer drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of installer drill bits, including Greycore, IRWIN, Freud, HANSHAN, HUAALIUCHE. The seller of top 1 product has received honest feedback from 224 consumers with an average rating of 4.9.

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.