5 Best Hole Saw Arbors - Sept. 2026

While a little more expensive, this arbor's unique tighten-down nut design is effective at removing any gaps or wobbling.

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PROS

Tighten-down nut design helps to eliminate wobble.
Smooth feel.
7/16-inch hex shank.
For use with 9/16- to 1 3/16-inch hole saws.
Durable, heavy duty construction.
Has a split-point tip pilot drill.

CONS

A bit more expensive than other options.

BEST BANG FOR THE BUCK

MK Morse

Arbor

An inexpensive 1/4-inch hex shank arbor that will fit most standard hole saws.

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PROS

Features a 1/4-inch hex shank.
An effective arbor that fits most standard hole saws.
Very affordable price.

CONS

Some buyers felt that this option didn't hold as much torque as a standard hole saw arbor.
A few reports of this option breaking easily.

Starrett

Hole Enlargement Arbor

A good choice if you're looking for a way to use 2 hole saws on the same arbor to fix a hole that has been drilled too small.

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PROS

Can use it to enlarge holes that have been drilled too small.
Quality made, and very effective.
For use as a replacement on any Starrett A1, A2, or A10 type arbors.

CONS

Some felt that this option was smaller and less robust than they expected.

Lenox Tools

Snap Back Arbor

Stands out for its fast and easy pull, twist, and snap method of engaging, although some may find the disengaging to be a little more work.

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PROS

Easy to engage and disengage without the need for any tools or adapters.
Good quality material, and a solid design.
Prevents threads from stripping.

CONS

Thicker than expected.
Some found that this required a little more effort to unlock.

Milwaukee

Hole Saw Large Arbor

Heavy-duty quality and feel that features a pin extractor mechanism so you don't have to constantly hold it back when putting on a blade.

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PROS

Has an ergonomic grip.
3/8-inch Q/C. Easy to use, and simple to put on and take off.
Works for a range of hole saws, from 1 1/4 inches to 6 7/8 inches.
Heavy-duty feel.
Has a pin extractor mechanism for ease of blade mount.

CONS

The set screw that holds the pilot drill can be hard to loosen.

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First Reviewed

November 05, 2021

Models
considered

Hours
researched

Written by Melinda Harris

Updated November 2021

A hole saw arbor, also known as a mandrel, connects a drill chuck to the actual saw itself. As a result, a high-quality arbor is important in making sure you get cleanly cut holes each time. To choose the right arbor, you need to look at the compatibility of the shank size and drill chuck size. 3/8" and 1/2" are the most common although some use a 1/4" diameter. The shape of the shank will also influence how secure the arbor is in the drill. Flat and hex-shaped shanks are the best to keep the arbor secure in jaw-like drill chucks.

Best Hole Saw Arbors

Pros and Cons

Pros and Cons

Pros and Cons

Pros and Cons

Pros and Cons

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