Best Extra Long Drill Bits for Cutting of 2025

Drill America's DWDDL8X1/4 1/4" x 8" High-Speed Steel Extra Long Drill Bit is designed for general purpose drilling in iron and steel families. The black oxide treatment adds lubricity and creates small pockets on the tool's surface to hold coolant near the cutting edge. The round shanks ensure compatibility with various toolholding systems. The counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips to reduce clogging. It is a versatile tool with a combination of hardness and toughness for wear resistance.

This set of extra long twist drill bits are made of high-speed steel and come in 5 sizes ranging from 2mm to 5mm. The 150mm-160mm length and 88-100mm cutting edge make it easier to drill deep holes in various materials such as wood, plastic, and aluminum. With better stability and balance during quick operation, these drill bits ensure that your position is intact.

Drill America Extra Long Bit is a high-speed steel tool suitable for most general-purpose applications. With a combination of hardness and toughness, it provides wear resistance. The black oxide treatment adds lubricity, which creates small pockets on the surface of the tool to hold coolant near the cutting edge. The round shanks allow for use with various toolholding systems. The right-hand cut spiral fluted tools evacuate chips up and out of the cut to reduce clogging. The bit is designed for general-purpose drilling in applications where extra length for reach is required. It performs well in a broad range of materials in the iron and steel families. With Drill America Extra Long Bit, you can enjoy the convenience of a versatile and efficient tool that can handle most drilling tasks with ease.

Introducing the Drill America High Speed Steel Drill Bit, the perfect tool for all your general purpose drilling needs. With its high-speed steel construction, this drill bit offers a winning combination of hardness and toughness, ensuring excellent wear resistance. The black oxide treatment not only adds lubricity but also creates small pockets on the surface, holding coolant near the cutting edge for enhanced performance. The round shanks allow compatibility with various tool holding systems, providing versatility for different applications. Additionally, the counterclockwise spiral fluted design evacuates chips, reducing clogging and ensuring smooth drilling. Manufactured to national aerospace standards, this Drill America Drill Bit is a reliable choice for any drilling task.

COMOWARE Extra Long Drill Bit is a high-quality and durable drill bit designed for various drilling applications. Made from classic M2 High Speed Steel with a black oxide finish, this drill bit offers proven capability and durability. Its extra length allows you to reach areas that normal drill bits can't, making it especially suitable for hard-to-reach areas. The reduced heat and extended drill bit life make drilling easier and more efficient. With its 135-degree split point, it drills on contact and prevents walking, ensuring precise and accurate drilling. The black oxide coating provides corrosion resistance and greater wear resistance. Suitable for a wide range of materials including wood, plastic, aluminum, and more, this drill bit is a versatile tool for any DIY enthusiast or professional.

Drill America Extra Long Drill Bit is a versatile tool designed for general purpose drilling. The high-speed steel construction offers a balance of hardness and toughness, ensuring durability. The black oxide treatment enhances lubricity and aids in chip evacuation, reducing clogging. With round shanks, this drill bit is compatible with various toolholding systems. The extra length provides extended reach for drilling in diverse materials. Experience efficient drilling with Drill America Extra Long Drill Bit.

The Drill America Extra Long Bit is designed for versatility and efficiency in various drilling tasks. Its high-speed steel construction ensures durability and resistance to wear, making it ideal for general purposes. The black oxide finish enhances lubrication and helps retain coolant, keeping the bit cooler while you work. With a round shank, this bit fits numerous tool-holding systems, providing you flexibility in usage. Additionally, its spiral flutes are engineered to effectively clear chips from the cutting area, minimizing the risk of clogging and improving your drilling experience.

Introducing the Drill America Extra Long Drill Bit, a high-speed steel tool designed for general purpose drilling in a wide range of materials. With its combination of hardness and toughness, this drill bit offers excellent wear resistance. The black oxide treatment not only adds lubricity but also creates small pockets on the surface to hold coolant near the cutting edge, ensuring smooth and efficient drilling. The round shanks allow for compatibility with various toolholding systems, making it versatile and easy to use. The counterclockwise spiral fluted design evacuates chips from the cut, reducing clogs and improving performance. When you need extra reach, the Drill America Extra Long Drill Bit is the perfect choice for your drilling needs in iron and steel applications.

Drill America Extra Long Bit is a high-speed steel drill bit ideal for various applications. The black oxide treatment enhances lubricity, aiding in efficient coolant retention. Its round shank design allows compatibility with different toolholding systems. The right-hand cut spiral flutes help in chip removal during drilling, reducing clogging. This drill bit is perfect for reaching deep areas and can handle a wide range of materials in the iron and steel families.

The Walfront Drill Bit Set features high-speed steel construction, ensuring durability and strength for your drilling tasks. With eight different sizes ranging from 4mm to 10mm, you have a versatile selection to meet various needs. The extra-long design allows you to reach tight spaces that standard drill bits cannot, making it ideal for challenging projects. Sharp twisted drill bits enhance efficiency, allowing you to drill with ease, whether you're working with wood, plastic, or aluminum alloy. This set is perfect for DIY enthusiasts and general building tasks.