Try Squares | McMaster-Carr

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Stainless Steel

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Stainless Steel

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Protractor Head

Square Head with Built-In Level

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Scratch Resistant

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DFARS Specialty Metals

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163 Products

Squares

Combination Squares

Combination Squares

Measure, mark, and level with a single tool

High-Accuracy Squares

High-Accuracy Squares

Manufactured with precision to ensure reliable, repeatable angles

Starrett High-Accuracy Combination Squares

Starrett High-Accuracy Combination Squares

Manufactured with precision to measure, mark, and level with a single tool

Squares

Square inside and out for basic angle checking and marking

Angle Squares

Measure angles up to 90 degrees; also known as rafter square

High-Accuracy Combination Squares

High-Accuracy Combination Squares

Manufactured with precision to measure, mark, and level with a single tool

Squares with 2 Graduated Blades

Squares with 2 Graduated Blades

Make both horizontal and vertical measurements

Squares with Adjustable Blade

Squares with Adjustable Blade

Measure and mark material exactly where you need to with a sliding blade

Pipefitting Squares

Pipefitting Squares

Pipe fitting sizes and welding charts are etched in to resist wearing off

Heavy Duty Combination Squares

Heavy Duty Combination Squares

Extra-wide head and large thumbwheel are easy to adjust with gloves

High-Accuracy Square Sets

High-Accuracy Square Sets

Multiple sizes made with precision to ensure reliable, repeatable angles

Easy-Read Squares with 2 Graduated Blades

Easy-Read Squares with 2 Graduated Blades

Large numbers and dark graduations make measurements easy to read

Starrett High-Accuracy Squares

Starrett High-Accuracy Squares

Manufactured with precision to ensure reliable, repeatable angles

Laser Squares

Lay out machine tables and work stations at precise right angles

Scratch-Resistant High-Accuracy Combination Squares

Scratch-Resistant High-Accuracy Combination Squares

A titanium coating protects the blade against scratches and wear

T-Profile Squares

Create straight lines in drafting, graphics, and construction applications

Other Products

Combination Square Blades

Combination Square Blades

Connect to a combination square head to create a combination square

Calibration Squares

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

Combination Square Heads

Combination Square Heads

Attach combination square blades to form a combination square

Squareness Gauges

Squareness Gauges

Check frames and machined parts to see if they are leaning or uneven

Inspection Setup Blocks

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

Rotary Angle Indexers

Rotary Angle Indexers

Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)