SKU: 100-644 | MPN: 4010

Milescraft Clamp Squares

Q: How many clamp squares come in a set?

Milescraft Clamp Squares are sold in sets of two . Choose model 100-644 for a pair of 4" squares or 100-645 for a pair of 8" squares. See more clamping tools .

Q: What sizes are available?

They come in two sizes: a pair of 4" squares (100-644) and a pair of 8" squares (100-645) , so you can match the square to your project size.

Q: Will clamp squares mar my workpiece?

No. Unlike metal squares, these clamp squares are made to not mar your workpieces , while still holding a true 90-degree angle during assembly.

$8.99

Size

4" 8"

Description Reviews Q&A

Clamp Square for 90° Project Assembly - Sets of 2

Milescraft ClampSquares are the ultimate solution when you need to square up corners in your woodworking assembly and gluing applications. These ClampSquares are durable and lightweight, making them easy to use. Unlike metal squares, these clamp squares will not mar your workpieces. 90° angles are a woodworking essential, which makes these the perfect accessory. ClampSquares can be used on both inside and outside edges. These squares are ideal for project construction, from assembling boxes to building shelving. Designed to be used with a variety of different clamps and feature notches to help keep bar clamps from shifting and holes for use with Adjustable Fence Clamps. (clamps sold separately)

Available in two sizes. Choose 100-644 for a pair of 4” ClampSquares or 100-645 for a pair of 8” ClampSquares.

ClampSquares Features & Benefits

Durable Body
Ensures 90° clamping
Bar clamp notches make clamping easier
3/8" holes allow for use with FenceClamps

Extremely helpful when assembling

Boxes
Shelves
Picture frames
Pocket holes
Drawers
And more!

Frequently Asked Questions

How many clamp squares come in a set?

Milescraft Clamp Squares are sold in sets of two. Choose model 100-644 for a pair of 4" squares or 100-645 for a pair of 8" squares. See more clamping tools.

What sizes are available?

They come in two sizes: a pair of 4" squares (100-644) and a pair of 8" squares (100-645), so you can match the square to your project size.

Will clamp squares mar my workpiece?

No. Unlike metal squares, these clamp squares are made to not mar your workpieces, while still holding a true 90-degree angle during assembly.

Do the clamp squares come with clamps?

No, clamps are sold separately. The squares are designed to work with a variety of different clamps. Browse compatible bar clamps to complete your setup.

Can I use them on inside and outside corners?

Yes. ClampSquares can be used on both inside and outside edges, giving you flexibility when squaring boxes, frames, and casework.

How do the notches and holes work?

The squares feature notches that help keep bar clamps from shifting and 3/8" holes that allow use with Adjustable Fence Clamps, so the square stays put while you clamp.

What projects are clamp squares good for?

They are extremely helpful when assembling boxes, shelves, picture frames, pocket holes, drawers, and more, making them ideal for general project construction.

Are the clamp squares heavy?

No. They are durable and lightweight, which makes them easy to handle and position during assembly and gluing applications.

Why use clamp squares instead of a regular square?

Clamp squares hold parts at a true 90 degrees during glue-ups and assembly while resisting marring, and they integrate with your clamps via notches and fence-clamp holes, freeing your hands. Pair them with a vise for added holding power.

Who makes these clamp squares?

They are made by Milescraft. Explore the full range of clamping tools to find more assembly aids.

Milescraft Clamp Squares