Best Hole Saw Kits for Impact Drivers: Fast, Clean Cuts
Choosing the right hole saw set for an impact driver can boost drilling speed, accuracy, and tool life. The following selections focus on bi-metal and high-speed steel teeth, hex shanks, and compatibility with common impact drivers. Each option is evaluated for cutting range, material versatility, and durability to help you find the best match for metal, wood, and plastic projects.
| Product | Brand | Sizes Included | Highlights |
|---|---|---|---|
| HIGHFIRE 17 Pcs 1/4″ Hex Shank | Highfire | 3/4″–2″ | 8% cobalt teeth, bi-metal, storage case |
| BULLITT 3PCS Heavy Duty Set | BULLITT | 20mm, 25mm, 32mm | M42 with 8% cobalt, hex shank |
| Bosch HTW78 7/8 In. | BOSCH | 7/8″ | Bi-Metal 8-TPI, high-torque ready |
| Norske NBHSI602 | Norske | 7/8″ | M42 cobalt, thin-wall design |
| HYCHIKA 17 Pcs Bi-Metal | HYCHIKA | 3/4″–2-1/2″ | 11 sizes, 2 mandrels, rugged case |
Note: The selections above emphasize compatibility with impact drivers, material versatility, and cutting efficiency. Each entry includes a hex shank and durable bi-metal or high-speed steel construction to handle metal, wood, and plastics in demanding tasks.
HIGHFIRE 17 Pcs Hex Shank Hole Saw Kit

Designed for impact drivers, this set uses a 1/4-inch hex shank for quick bit changes and higher torque handling. The kit includes nine hole saw sizes from 3/4″ to 2″ plus two mandrels, two hex keys, and an adapter in a compact case. The teeth are made from M42 high-speed steel with 8% cobalt, delivering fast, clean cuts with strong heat resistance and wear resistance. The cutting depth ranges from 30–38mm (1.2–1.5″). This configuration supports multiple materials, including metal, wood, and plastic, with improved chip removal for less clogging.
Key points:
– 1/4″ hex shank compatibility for impact drivers
– Bi-metal construction with cobalt teeth
– Broad size range for common openings
– Storage case for organization
BULLITT 3PCS Heavy Duty Impact Hole Saw Set

Featuring three common sizes with hex shanks, this set uses M42 bi-metal with 8% cobalt teeth designed for hot drilling in metal and other tough materials. The sizes included—20mm (approx. 25/32″), 25mm (1″), and 32mm (1-1/4″)—fit tightly into impact drivers and drills. The combination of high-speed steel and cobalt ensures better heat resistance, reduced wear, and longer life than many standard hole saws. This kit is ideal for metal-focused tasks and general-purpose drilling in sheet metal and aluminum.
Bosch HTW78 7/8 In. Thin-Wall Hole Saw

Bosch HTW78 offers a compact 7/8″ thin-wall design for impact drivers, delivering doubled life versus standard hole saws and featuring 8-TPI teeth for efficient cutting in sheet metal. The thin-wall construction reduces material resistance, enabling quicker holes with less torque. This set is well-suited for high-torque impact drivers performing light to medium-duty cuts in metal and plastics, with reliable heat management for consistent performance.
Bosch HTW1 1 In. Thin-Wall Hole Saw

This 1-inch thin-wall hole saw mirrors the HTW78’s benefits with a larger diameter, maintaining the same 8-TPI bi-metal teeth design for efficient drilling in sheet metal and other soft metals. It is designed for high-torque impact drivers, providing faster cuts and longer life in demanding applications while minimizing material fatigue due to the thin-wall geometry. Suitable for metal, PVC, and certain plastics.
Norske Tools NBHSI602 M42 Thin-Wall

NBHSI602 uses industrial-grade M42 high-speed steel with 8% cobalt for increased wear resistance and tooth strength. The thin-wall three-tooth-per-inch (3TPI) design enables faster, burr-free cuts in thin gauge metals up to 1/8″ thick. The hex shank ensures stable engagement with impact drivers, reducing cam-out and adding control for deeper cuts. This option suits metal-focused, precision drilling in sheet metal and similar materials.
HYCHIKA 17 Pcs Bi-Metal Hole Saw Kit

HYCHIKA’s 17-piece bi-metal kit includes a wide range from 3/4″ to 2-1/2″ with five-hole saws in the mid-sized range and 11 sizes total. The blades use high-hardness steel (69–81 HRC) with a wear-resistant, durable construction and a 2 mm thickness. The design emphasizes fast, cleaner cuts with improved chip clearance through a built-in groove, along with two mandrels and additional drill bits for quick replacements. The kit is suitable for metal, PVC, wood, and plastics, with a focus on versatility for DIY and professional use.
Buying Guide: Key Considerations for Impact-Driver Hole Saws
- Shank compatibility: Look for 1/4″ hex shanks for seamless use with impact drivers and reliable torque transfer.
- Material: Bi-metal with cobalt teeth or M42 HSS offers better wear resistance and heat tolerance for metal drilling, while finer teeth excel on plastics and wood.
- Cutting depth and thickness: Thin-wall designs reduce drag and heat build-up; check maximum cutting depth to match project needs.
- Tooth geometry: 8-TPI or higher enables smoother cuts in sheet metal; ensure teeth configuration suits the material being drilled.
- Durability and kit contents: A comprehensive set with mandrels, pilot bits, and a storage case improves long-term usability and organization.
- Diameter range: A broad range (from under 1 inch to over 2 inches) covers common tasks from electrical work to plumbing and cabinetry.
- Application diversity: Choose sets that are explicitly rated for metal, wood, and plastic to maximize versatility per project.
- Brand and warranty: Reputable brands with cobalt or M42 tooling and warranties reduce risk of teeth chipping or shattering under heavy use.
These considerations help balance performance, tool life, and value when selecting a hole saw kit for impact drivers, ensuring efficient drilling across multiple materials and job types.