Drafting Scales | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	Length Length

	Width Width

	Thickness Thickness

	Graduation Marks Graduation Marks

	Numeric Increments Numeric Increments

	Flexibility Flexibility

Flexible

Rigid

	Material Material

	Color Color

	Silver		Black
	Clear		White
	Gold

	Reading Direction Reading Direction

Left to Right

Bottom to Top

Top to Bottom

	Graduation Mark Style Graduation Mark Style

Etched

Printed

	Graduation Location Graduation Location

	Graduation Color Graduation Color

	Black
	White
	Black and Red

	Orientation Orientation

Horizontal

Vertical

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Finish Finish

Satin Chrome

Titanium Nitride (TiN) Coated

Porcelain Enamel

	Manufacturer Manufacturer

Starrett

Lufkin

Stanley

	Manufacturer Model Number Manufacturer Model Number

	Certification Certification

NIST Calibration Certificate
with Test Data

NIST Calibration Certificate

	Shape Shape

Triangle

Flat

	Scale Type Scale Type

Architects'

Engineers'

	Blade Length Blade Length

12"

18"

24"

	Tip Style Tip Style


Hook	Pointed Hook

Loop

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150 Products

Dimensional Measuring and Size Checking

Corrosion-Resistant Stainless Steel Rulers

Made to last, our most corrosion-resistant rulers are stainless steel and have wear-resistant etched markings.

Certified Corrosion-Resistant Stainless Steel Rulers

A calibration certificate traceable to NIST is included with these stainless steel rulers.

Easy-to-Read High-Contrast Rulers

Numbers and graduations etched in light colors are easy to see on a black background.

Lightweight Aluminum Rulers

Made of aluminum, these rulers are an economical alternative to stainless steel rulers.

Certified Lightweight Aluminum Rulers

Ensure accurate measurements with these certified rulers.

Transparent Rulers

Keep your workpiece in view as you measure with these see-through rulers.

High-Accuracy Rulers

An economical alternative to Starrett High-Accuracy Rulers, these provide reliable, repeatable measurements.

Certified High-Accuracy Rulers

These rulers include a certificate of calibration traceable to NIST with test measurements that confirm accuracy.

Starrett High-Accuracy Rulers

Also known as machinists’ rules, these rulers ensure reliable, repeatable measurements.

Starrett Certified High-Accuracy Rulers

Ensure reliable, repeatable measurements with these rulers.

Scratch-Resistant High-Accuracy Rulers

Protect your ruler from scratches and wear with a TiN (titanium nitride) coating.

Folding Rulers

Fold these rulers for convenient storage and transport.

Adhesive-Back Vertical Rulers

Permanently mount these rulers on machines, tanks, and walls to measure heights and depths.

Lufkin Tape Measures

These tape measures have a chrome-plated, impact-resistant plastic case.

Lufkin High-Visibility Tape Measures

A bright orange case makes these tape measures easy to spot.

Stanley Heavy Duty PowerLock Tape Measures

All have a durable cast metal case that’s chrome-plated for corrosion resistance

Pocket Tape Measures with Corrosion-Resistant Blade

The blade on these tape measures is chrome-plated for durability and corrosion resistance.

Diameter Tape Measures

Also known as tree tapes, wrap these tape measures around circular items to determine diameter and measure circumference without the need for calculations.

Easy-Carry Long Tape Measures

Hold on to the large, rubber-coated handle while carrying these tape measures.

Long-Length Tank-Level Rulers

Connect continuous segments to create a ruler up to 10 ft. long.

Starrett High-Accuracy Combination Square Blades

Use these blades with Starrett High-Accuracy Combination Square Heads. They meet Fed. Spec. GGG-R-791H, which establishes uniform standards for accuracy, graduations, and size.

Starrett High-Accuracy Combination Squares

Replace your try square, miter square, depth gauge, height gauge, center-point finder, and level. The blade on these squares meets Fed. Spec. GGG-R-791H, which establishes uniform standards for accuracy, graduations, and size.

High-Accuracy Combination Square Blades

Blades are for use with High-Accuracy Combination Square Heads.

Straightedges and Drafting Rules

Architects’ and Engineers’ Scales

Take measurements off of scaled architectural or engineering drawings with these specialized scales.

Triangle Straightedges/Protractors

A protractor and triangle in one, use these tools to quickly set any angle from 0° to 90°.