Hole Saw Kit Buying Guide: What to Look For
By Drill Hog® | Published: 2026-10-24
Category: Buying Guides
Learn what to look for when buying a hole saw kit. Compare materials, sizes, and arbor types to choose the right set for your project.
Quick Answer
Choose a hole saw kit based on the material you cut most often: bi-metal for wood and metal, carbide for tile or masonry. Look for a size range that covers your common hole diameters and check that the arbor fits your drill.
Bi-Metal vs Carbide Hole Saws
Bi-metal hole saws, made from high-speed steel teeth welded to a steel body, are the most versatile choice. They cut wood, drywall, plastic, and metal up to about 1/8-inch thick. Carbide-tipped saws last longer on abrasive materials like tile, stone, and fiber cement but are more brittle and cost more.
If you primarily work with wood and occasional metal, a bi-metal set gives you the best balance of durability and price. For frequent tile or masonry cuts, invest in a dedicated carbide set.
Size Range and Common Diameters
Most kits include 6 to 14 pieces. The most useful sizes for general DIY are 3/4-inch to 2-1/2-inch. A set like the Drill Hog 14 Piece Hole Saw Kit covers that range, including 3/4", 7/8", 1-1/8", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", and 2-1/2". That range handles electrical outlets, plumbing pipes, and cable runs.
If you often cut larger holes for ductwork or vents, you may need a separate large-diameter saw, as most kits stop at 3 inches.
Arbor and Mandrel Compatibility
The arbor (or mandrel) holds the hole saw in the drill. A good arbor has a tri-flat shank that prevents the saw from spinning in the chuck, which is a common frustration with round-shank arbors. The Drill Hog kit includes a pilot bit and mandrel to start and center the hole.
Check that the arbor uses a standard thread size (usually 1/2-inch-20) so you can buy replacement saws later. Some kits use proprietary threads, locking you into one brand.
Decision Rules for Choosing a Hole Saw Kit
- Material you cut most: Choose bi-metal for wood, drywall, plastic, and thin metal. Choose carbide for tile, stone, or masonry. If you cut mixed materials, bi-metal is the safer all-round choice.
- Size range needed: A 6- to 14-piece kit covering 3/4" to 2-1/2" handles most electrical and plumbing holes. Add a separate large saw for holes over 3". Count the hole sizes you need before buying; avoid paying for sizes you will never use.
- Arbor quality: Look for a tri-flat shank arbor that fits your drill's chuck. A standard 1/2"-20 thread lets you buy replacement saws from any brand. A good arbor prevents slippage and saves frustration.
- Warranty and country of origin: Some kits, like the Drill Hog, include a lifetime warranty and are made in the USA. This can indicate higher build quality and easier replacement. A longer warranty often signals the manufacturer's confidence in the product.
Product Facts
- 14 Piece Hole Saw Kit Hole Cutter Set BI-METAL HSS Holesaw Kit Drill Hog®: Drill Hog 14 Pc HI-Molybdenum M7 Hole Saw Kit includes sizes 3/4" to 2-1/2", a pilot bit and mandrel, and has a tri-flat shank. The M7 steel provides good edge retention for cutting wood and metal, and the tri-flat shank keeps the saw from slipping in the drill chuck.
14 Piece Hole Saw Kit Hole Cutter Set BI-METAL HSS Holesaw Kit Drill Hog®
Who This Kit Is For
Best for
- DIYers who need a versatile set for wood, drywall, and thin metal
- Electricians and plumbers who commonly cut holes from 3/4" to 2-1/2"
Not for
- Professionals cutting thick steel or stainless steel regularly
- Tile or masonry work (choose carbide instead)
