Starrett Scales | McMaster-Carr

Filter by

Manufacturer

System of Measurement

Length

Width

Graduations

Manufacturer Model Number

Material

Numeric Graduations

Reading Direction

Color

Thickness

Blade Length

Measurement System

Graduation Type

Certificate Type

Length Accuracy

Finish

Performance

Graduation Location

Graduation Color

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Specifications Met

Blade Material

How can we improve?

224 Products

About High-Quality Rulers

What separates a throwaway ruler from one you’ll keep for decades, which type is best for everyday use, and how to compare materials.

Rulers

Horizontal Rulers

High-Accuracy Rulers

High-Accuracy Rulers

Our most accurate rulers, with tolerances tight enough for machining detailed parts

Other Products

Combination Square Blades

Combination Square Blades

Connect to a combination square head to create a combination square

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

Tape Measures

Standard, long, center-finding, and flexible tape measures

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

Combination Square Heads

Combination Square Heads

Attach combination square blades to form a combination square

Angle Identifiers

Angle Identifiers

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

Radius Gauges

Check convex and concave radii of tools, patterns, and dies

Levels

Ensure surfaces are completely horizontal or vertical

Depth Micrometers

Depth Micrometers

Measure slots, counterbores, and other holes more precisely than depth gauges

Countersink Gauges

Countersink Gauges

Catch sizing errors in countersunk holes to keep fasteners from protruding and creating weak points

Chamfer Gauges

Check the diameter of chamfered edges to make sure they're within tolerance

Optical Comparators

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

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