Protractors | McMaster-Carr

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Angle Identifiers

Angle Indicators

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Combination Square Blades

Combination Square Heads

Rotary Angle Indexers

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Straightedge/Protractors

System of Measurement

Arm Length

Head Shape

Material

Silicone Rubber

Stainless Steel

Color

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Angle Measured

-180° to 180°

0 min to 120 min

Shape

Manufacturer

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Angle Numeric Increments

RoHS

Compliant with Exemptions

Vial Accuracy

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High Visibility

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REACH

Graduation Type

Graduations

Diameter

Display Type

Angle Increments

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DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Measuring Features

59° Drill Point Gauge

Tap and Drill Reference Table

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148 Products

Protractors

Protractors with Adjustable Arm

Protractors with Adjustable Arm

Set bevels and measure angles

Precision Protractors

Precision Protractors

Precisely measure angles in degrees and minutes

Protractors with Graduated Arm

Protractors with Graduated Arm

Take dimensions and measure angles

Pocket Protractors

Pocket Protractors

Fit into your pocket so they’re available wherever you need them

Digital Protractors

Digital Protractors

View angles on an easy-to-read display

Starrett Protractors with Graduated Arm

Starrett Protractors with Graduated Arm

Take dimensions and measure angles

Mitutoyo Precision Protractors

Mitutoyo Precision Protractors

Precisely measure angles in degrees and minutes

Mitutoyo Precision Protractors with Calibration Certificate

Mitutoyo Precision Protractors with Calibration Certificate

Precisely measure angles in degrees and minutes

Digital Protractors with Level

Digital Protractors with Level

Two level vials ensure surfaces are completely horizontal or vertical

Protractors

Often used in schools and offices to measure angles on drawings

Digital Protractors with Level and Laser

Digital Protractors with Level and Laser

Project a laser to ensure surfaces are completely horizontal or vertical

Adhesive-Backed Protractors

Adhesive-Backed Protractors

Stick on any flat surface to measure angles

Starrett Protractors with Adjustable Arm

Starrett Protractors with Adjustable Arm

Set bevels and measure angles

Other Products

Angle Indicators

Angle Indicators

Align pipe and other equipment by measuring angle, level, or tilt

Angle Transfers

Angle Transfers

Duplicate any angle in construction and other applications

Multitools

A variety of tools and blades all in one

Angle Identifiers

Angle Identifiers

Place the edges against fittings, dies, and other objects to quickly verify angles up to 45°

Combination Square Heads

Combination Square Heads

Attach combination square blades to form a combination square

Straightedge/Protractors

Straightedge/Protractors

Draw straight lines and measure angle, slope, and rise with one tool

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

Levels

Ensure surfaces are completely horizontal or vertical

Rotary Angle Indexers

Rotary Angle Indexers

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

Combination Square Blades

Combination Square Blades

Connect to a combination square head to create a combination square

Center Punch/Angle Indicators

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

Depth Gauges

Reach into slots, counterbores, and other holes to measure depth

Squareness Gauges

Squareness Gauges

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

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

Light Meters

Measure light quality and intensity

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