Best #26 Drill Bits for Metal, Wood, and Precision Projects
The best #26 drill bit depends on what you are drilling: choose a general-purpose HSS bit for routine work, a cobalt bit for tougher metals, or a long aircraft-style bit when reach matters. The options below cover those needs, plus multipacks for light-duty projects and replacements. Each listed bit has a #26 cutting diameter of 3.734 mm where its product details specify the measurement.
| Product | Best for | Pack or format |
|---|---|---|
| Drill America KFD Series HSS | General-purpose drilling | 12 bits |
| Drill America GLBCO Extension | Reaching farther into workpieces | 6-inch extension |
| Drill America DWDCO Cobalt | Harder metals | 12 bits |
| CoCud 4341 HSS | Plastic, wood, and soft metals | 10 bits |
| PATIKIL 4341 HSS | Small, light-duty jobs | 5 bits |
Drill America KFD Series HSS #26
This 12-pack of black-and-gold high-speed steel (HSS) bits is a versatile choice for general-purpose drilling. The product information lists wood, metal, stainless steel, and other hard metals as applications. Its 135-degree split point is designed to reduce walking as the bit starts cutting.
Best for: Buyers who want a multipack of standard-length bits for varied drilling tasks. It was selected for its broad stated material range and split-point tip.
Consideration: HSS is the general-purpose option here; choose a cobalt model instead when your main task involves harder metals such as stainless steel or nickel alloys.
Drill America 6-Inch Cobalt Extension
This #26 aircraft extension bit is six inches long and made for drilling tough, high-tensile-strength materials, including stainless steel, Inconel, and titanium. A 135-degree split point helps limit walking, while the round shank works with a wide variety of tool-holding systems.
Best for: Buyers who need extra reach and drill into demanding metals. Its extended format sets it apart from the shorter jobber-style options.
Consideration: Its length is useful for access, but may be less convenient than a shorter bit for compact or routine work. The product details do not provide a pack count.
Drill America DWDCO Cobalt #26
This pack of 12 uses cobalt steel, which the product information describes as HSS with added cobalt for improved performance when cutting harder metals, including stainless steel and nickel alloys. The bits have round shanks for use with a wide variety of tool-holding systems.
Best for: Buyers who want a multipack focused on harder-metal drilling. Choose it over a standard HSS bit when those materials are the priority.
Consideration: The listed information does not specify a split-point tip, so buyers who want that feature should compare the product details before choosing.
CoCud 4341 HSS #26, 10 Pieces
This 10-piece set has a 3.734 mm cutting diameter, a 50 mm cutting-edge length, and a 75 mm overall length. Its 135-degree point and gold finish are listed features. Suggested materials include acrylic, plastic, wood, copper and aluminum alloys, carbon steel, cast iron, and thin stainless steel.
Best for: Light-duty work across plastics, wood, and softer metals, particularly when a 10-piece set is useful. The product’s stated material limits make its intended use clear.
Consideration: Avoid this option for hardened or high-alloy steel, thick stainless steel, and other ultra-hard materials, as the product information specifically excludes them.
PATIKIL 4341 HSS #26, 5 Pack
This five-pack measures 3.734 mm in cutting diameter, with a 50 mm flute length and 76 mm overall length. The 135-degree point is paired with 4341 HSS and a gold finish. Listed applications include low-carbon steel, aluminum alloy, brass, cast iron, medium-carbon steel, stainless steel, acrylic, plastic, and wood.
Best for: Buyers who need a smaller set for occasional or light-duty work in several materials. It offers a useful middle ground between general-purpose HSS and cobalt choices.
Consideration: For thicker metals, the product information calls for low RPM and flood coolant. Follow that limitation when planning the job.
Buying Guide: How To Choose A #26 Drill Bit
Which material will you drill?
Match the bit to the hardest material in the job. Standard HSS options are suited to general-purpose work, while cobalt models are the stronger match in this selection for harder metals. For plastics, wood, and soft metals, a product such as the CoCud set lists those uses directly. Do not assume every #26 bit suits every metal: check the maker’s stated limits.
Do you need extra reach or more replacement bits?
A standard jobber-style bit is a practical choice for ordinary access. An aircraft extension bit is designed for reaching farther into a work area, but its longer format may be less convenient for compact tasks. For ongoing work, compare pack sizes; for occasional projects, a smaller set may be sufficient.
What do the point and dimensions tell you?
A 135-degree split point is listed on several choices above and is intended to reduce walking at the start of a hole. Confirm the overall length and flute length if clearance or hole depth matters. The nominal #26 cutting diameter is about 3.734 mm, but check the product listing for the exact bit’s dimensions.
How should you compare HSS and cobalt?
Choose HSS for broad, general-purpose use when the materials are within the bit’s stated range. Choose cobalt when harder metals are central to the job. Material alone does not determine the right operating method, so follow the product guidance for speed, coolant, and workpiece conditions.
Frequently Asked Questions
What is the diameter of a #26 drill bit?
The products in this selection that state a measurement list a #26 cutting diameter of 3.734 mm, or approximately 0.147 inches.
Is a #26 drill bit suitable for stainless steel?
Some are listed for stainless steel. For tougher stainless-steel work, a cobalt option is a relevant choice; check each product’s material guidance and limitations.
What does a 135-degree split point do?
It is designed to help the bit start with less walking. Several products here specify this point style.
Should I choose a cobalt or HSS #26 bit?
Choose HSS for general-purpose jobs within its stated applications. Consider cobalt for harder metals such as stainless steel or nickel alloys.
Can I use a #26 bit on plastic or wood?
Several listed products include plastic and wood among their applications. Check the selected bit’s stated materials, since recommendations differ between products.