15cm Rulers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Length Length	Show

15cm

	Length Length	Hide

	Width Width

	Material Material

	Graduation Marks Graduation Marks

	Numeric Increments Numeric Increments

1/10"

4/32"

1 cm

	Flexibility Flexibility

Flexible

Rigid

	Color Color

	Silver		White
	Clear		Gold

	Graduation Mark Style Graduation Mark Style

Etched

Printed

	Reading Direction Reading Direction

	Left to Right

	Orientation Orientation

Horizontal

	Graduation Color Graduation Color

	Black

	Thickness Thickness

	Graduation Location Graduation Location

	End Shape End Shape

Round

Square

	Certification Certification

NIST Calibration Certificate

NIST Calibration Certificate
with Test Data

	Finish Finish

Satin Chrome

Titanium Nitride (TiN)
Coated

	Backing Material Backing Material

Adhesive

Cork

	Hole Diameter Hole Diameter

1/4"

5/16"

	Manufacturer Model Number Manufacturer Model Number

	Manufacturer Manufacturer

Starrett

	Number of Segments Number of Segments

	Segment Length Segment Length

0.15m

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32 Products

Certified Lightweight Aluminum Rulers

Inch/Metric, Left to Right

Metric, Left to Right

Ensure accurate measurements with these certified rulers. All include a calibration certificate stating they are made in accordance to NIST specifications and tolerances. They're an economical alternative to Certified Corrosion-Resistant Stainless Steel rulers.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style		Each
Aluminum
6"/15 cm	Millimeters (1 cm), 32nds (1")	3/4"	3/64"	Rigid	Silver	Printed	0000000	00000
Metric—Left to Right Reading Direction
Aluminum
15 cm	Millimeters (1 cm), Centimeters (1 cm)	3/4"	3/64"	Rigid	Silver	Printed	0000000	0000

Corrosion-Resistant Stainless Steel Rulers

Inch/Metric

Metric, Left to Right

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

Flexible rulers are for measuring slightly curved surfaces.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	Hole Dia.		Each
Stainless Steel
6"/150 mm	Millimeters (10 mm), 32nds (4/32"), 16ths (1")	__	3/4"	1/32"	Flexible	Silver	Etched	__	0000000	00000
6"/150 mm	Millimeters (10 mm), 16ths (1")	__	15/32"	1/32"	Flexible	Silver	Etched	__	0000000	0000
6"/150 mm	16ths (1"), 32nds (1"), 64ths (1")	1/2 mm (10 mm), 1 mm (10 mm)	3/4"	1/32"	Rigid	Silver	Etched	__	0000000	0000
6"/150 mm	32nds (1"), 16ths (1")	Millimeters (10 mm), Millimeters (10 mm)	1"	1/32"	Flexible	Silver	Etched	1/4"	0000000	0000
Metric—Left to Right Reading Direction
Stainless Steel
150 mm	Millimeters (10 mm), Millimeters (10 mm)	__	1"	1/32"	Flexible	Silver	Etched	1/4"	0000000	0000

Certified Corrosion-Resistant Stainless Steel Rulers

Inch/Metric, Left to Right

Metric, Left to Right

A calibration certificate traceable to NIST with test measurements that confirm accuracy is included with these stainless steel rulers. They're flexible for measuring slightly curved surfaces and have wear-resistant etched markings.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	Hole Dia.		Each
Stainless Steel
6"/150 mm	32nds (1"), 16ths (1")	Millimeters (10 mm), Millimeters (10 mm)	1"	1/32"	Flexible	Silver	Etched	1/4"	00000000	000000
6"/150 mm	32nds (1"), Millimeters (10 mm)	__	1"	1/32"	Flexible	Silver	Etched	1/4"	0000000	00000
Metric—Left to Right Reading Direction
Stainless Steel
150 mm	Millimeters (10 mm), Millimeters (10 mm)	__	1"	1/32"	Flexible	Silver	Etched	1/4"	00000000	00000

Transparent Rulers

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

Style C is flexible for measuring slightly curved surfaces. It's labeled with numeric increments that are less than 1" for quick reading.

Inch/Metric—Left to Right Reading Direction
	Lg.	Front Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style		Each
Plastic
C	6"/150 mm	32nds (4/32"), 1/2 mm (10 mm), 100ths (1/10")	1 1/2"	0.007"	Flexible	Clear	Printed	00000000	00000

Nonslip Rulers

Inch/Metric

A cork back prevents slipping and protects delicate surfaces. Rulers are corrosion-resistant stainless steel and have wear-resistant etched markings. All are flexible for measuring slightly curved surfaces.

Inch/Metric—Left to Right Reading Direction
Lg.	Front First Inch Graduation Marks (Numeric Increments)	Front Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	Hole Dia.		Each
Stainless Steel
6"/15 cm	32nds (1")	16ths (1"), Millimeters (1 cm)	1 1/4"	1/16"	Flexible	Silver	Etched	5/16"	0000000	00000

High-Accuracy Rulers

Inch/Metric

Metric

An economical alternative to Starrett High-Accuracy Rulers, these provide reliable, repeatable measurements. All meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. They're also known as machinists' rules. They have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. Inch and inch/metric rulers are labeled with numeric increments that are less than 1" for quick reading.

Flexible rulers are for measuring slightly curved surfaces.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style		Each
Satin-Chrome Steel
6"/150 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Silver	Etched	000000	000000
6"/150 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	000000	00000
Metric—Left to Right Reading Direction
Satin-Chrome Steel
150 mm	Millimeters (10 mm), 1/2 mm (10 mm)	Millimeters (10 mm), 1/2 mm (10 mm)	-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Silver	Etched	000000	00000
150 mm	Millimeters (10 mm), 1/2 mm (10 mm)	Millimeters (10 mm), 1/2 mm (10 mm)	-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	000000	00000

Certified High-Accuracy Rulers

Inch/Metric

These rulers include a certificate of calibration traceable to NIST with test measurements that confirm accuracy. An economical alternative to Starrett Certified High-Accuracy Rulers, they provide reliable, repeatable measurements. All meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. They’re also known as machinists’ rules. They have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. These rulers are labeled with numeric increments that are less than 1" for quick reading.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style		Each
Satin-Chrome Steel
6"/150 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	0000000	000000

Starrett High-Accuracy Rulers

Inch/Metric

Metric

Also known as machinists’ rules, these rulers ensure reliable, repeatable measurements. They meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. All have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. Inch and inch/metric rulers are labeled with numeric increments that are less than 1" for quick reading.

Flexible rulers are for measuring slightly curved surfaces.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	Manufacturer Model No.		Each
Satin-Chrome Steel
5 3/4"/150 mm	1/2 mm (10 mm), 32nds (4/32")	Millimeters (10 mm), 64ths (8/64")	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	C636ME-150	0000000	000000
5 3/4"/150 mm	10ths (1/10"), 50ths (1/10")	Millimeters (10 mm), 1/2 mm (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Silver	Etched	C334-150	0000000	00000
5 3/4"/150 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Silver	Etched	C331-150	0000000	00000
Metric—Left to Right Reading Direction
Satin-Chrome Steel
150 mm	1/2 mm (10 mm)	1/2 mm (10 mm), Millimeters (10 mm)	-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Silver	Etched	C330-150	0000000	00000
150 mm	Millimeters (10 mm), 1/2 mm (10 mm), Millimeters	Millimeters (10 mm), 1/2 mm (10 mm)	-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	C635E-150	0000000	00000

Starrett Certified High-Accuracy Rulers

Inch/Metric

Ensure reliable, repeatable measurements with these rulers. They include a calibration certificate traceable to NIST stating they have passed a test for accuracy. All meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. They're also known as machinists' rules. They have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. These rulers are labeled with numeric increments that are less than 1" for quick reading.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	Manufacturer Model No.		Each
Satin-Chrome Steel
5 3/4"/150 mm	1/2 mm (10 mm), 32nds (4/32")	Millimeters (10 mm), 64ths (8/64")	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	C636ME-150	0000000	000000
5 3/4"/150 mm	10ths (1/10"), 50ths (1/10")	Millimeters (10 mm), 1/2 mm (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	1/2"	1/64"	Rigid	Silver	Etched	C334-150	0000000	00000

Scratch-Resistant High-Accuracy Rulers

Inch/Metric

Protect your ruler from scratches and wear with a TiN (titanium nitride) coating. Also known as machinists’ rules, these rulers ensure reliable, repeatable measurements. They meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. All have wear-resistant etched markings and are labeled with numeric increments that are less than 1" for quick reading.

Flexible rulers are for measuring slightly curved surfaces.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style		Each
Titanium Nitride (TiN) Coated Steel
6"/150 mm	32nds (4/32"), 64ths (8/64")	Millimeters (10 mm), 1/2 mm (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	1/2"	1/64"	Flexible	Gold	Etched	00000000	000000
6"/150 mm	32nds (4/32"), 64ths (8/64")	Millimeters (10 mm), 1/2 mm (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Gold	Etched	00000000	00000

Magnetic High-Accuracy Rulers

Inch/Metric

High-powered magnets hold these rulers in place. Also known as machinists’ rules, these rulers ensure reliable, repeatable measurements. They meet Fed. Spec. GGG-R-791H, which establishes uniform standards for ruler accuracy, graduations, and size. All have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. These rulers are labeled with numeric increments that are less than 1" for quick reading.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Back Graduation Marks (Numeric Increments)	Accuracy	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	No. of Magnets		Each
Satin-Chrome Steel
6"/150 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.004"/-0.09 mm to +0.1 mm	3/4"	3/64"	Rigid	Silver	Etched	2	0000000	000000

Adhesive-Back Rulers

Metric, Left to Right

Permanently mount these rulers to a machine or workbench.

							Segments
Lg.	Front Top Grad. Marks (Numeric Increments)	Front Bottom Grad. Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Grad. Mark Style	No. of	Lg.		Each
Metric—Left to Right Reading Direction
White Plastic
0.15 m	Millimeters (1 cm)	Millimeters (1 cm)	1/2"	0.004"	Flexible	Printed	1	0.15m	0000000	00000

Pocket Rulers

Inch/Metric with Square End

Metric with Round End

Rulers are narrow and just 6" long to measure in tight spaces. They have a pocket clip that can also be used as a depth gauge, with the clip as the base. All are corrosion-resistant stainless steel and have wear-resistant etched markings. They're flexible for measuring slightly curved surfaces. Inch and inch/metric rulers labeled with numeric increments that are less than 1" are quick reading.

Inch/Metric—Left to Right Reading Direction
Lg.	Front Graduation Marks (Numeric Increments)	Wd.	Thick.	Flexibility	Color	Graduation Mark Style	End Shape		Each
Stainless Steel
6"/150 mm	16ths (1"), Millimeters (10 mm)	1/4"	1/64"	Flexible	Silver	Etched	Square	0000000	00000
6"/150 mm	64ths (8/64"), Millimeters (1 cm)	1/2"	1/64"	Flexible	Silver	Etched	Round	0000000	0000
6"/150 mm	Millimeters (10 mm), 16ths (1")	1/2"	1/64"	Flexible	Silver	Etched	Round	0000000	0000
Metric—Left to Right Reading Direction
Stainless Steel
150 mm	1/2 mm (10 mm), Millimeters (10 mm)	1/2"	1/64"	Flexible	Silver	Etched	Round	0000000	0000

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