7" (178mm) Tungsten Carbide Tipped Hole Saw with 2Pcs Titanium-Plated Pilot Drill

The CENYB 7-Inch Tungsten Carbide Tipped Hole Saw is built for drilling large-diameter holes through tough metal and wood. Sized at 178mm across, it provides a dedicated solution for fabricators and woodworkers who need clean, wide cuts without using specialized industrial machinery.

Cutting performance relies on 40 tungsten carbide tipped teeth arranged in a stepped three-blade pattern. This design divides each tooth into outer, middle, and inner cutting edges to slice through hard metals, cast iron, stainless steel plates, and square tubing smoothly. The teeth feature titanium plating to resist rust and maintain hardness over repeated use.

Setup is straightforward thanks to the standard 10mm (3/8-inch) shank, which mounts securely into magnetic drills, bench presses, and gun drills. The package comes with two titanium-plated pilot drill bits and a hex wrench, all organized in a sturdy plastic case for safe storage.

Keep in mind that the cutting depth is limited to 25mm (1 inch), which restricts this tool to sheet metal, thinner plates, and standard boards. It is strictly made for metals and wood, so you cannot use it on masonry materials like concrete, stone, or ceramic tile.

Verdict: This hole saw is an excellent choice for metalworkers and DIYers needing clean, large 7-inch cuts in steel, iron, or wood. If your projects stay within its 1-inch cutting depth and focus on metals rather than masonry, it offers capable cutting performance.

• Cutting Diameter: 178mm (7 inches)
• Shank Diameter: 10mm (3/8 inch)
• Hole Saw Depth: 25mm (1 inch)
• Tooth Count: 40 teeth
• Material: Tungsten Carbide Tipped (TCT) with titanium-plated carbide teeth
• Compatible Drills: Bench drills, magnetic drills, gun drills
• Included Accessories: 1 hole saw, 2 pilot bits, 1 hex wrench, 1 plastic box

A great fit if you:

• Need to cut wide 7-inch holes in stainless steel plates, iron, or square tubing
• Use standard bench drills, magnetic drills, or gun drills with 3/8-inch chucks
• Work primarily with wood and metal stock up to 1 inch thick
• Want spare pilot bits and a protective case included out of the box

Consider something else if you:

• Need to bore through concrete, tile, or stone surfaces
• Require a cutting depth greater than 25mm (1 inch)

What materials can this hole saw cut?
It is designed to cut through hard metals, stainless steel plates, iron, cast iron, square tubes, and wood. It cannot be used on concrete, tile, or stone.

What tools can I use to drive this hole saw?
The 10mm (3/8-inch) shank makes it compatible with standard bench drills, magnetic drills, and gun drills.

What is included in the package?
You get one 7-inch carbide hole saw, two titanium-plated pilot drill bits, and one hex wrench, all packed inside a plastic storage box.