11 3/4" Rulers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Length Length	Show

11 3/4"

	Length Length	Hide

	Width Width

1/2"

	Graduation Marks Graduation Marks

	Graduation Location Graduation Location

Front

Back

	Flexibility Flexibility

Flexible

Rigid

	Manufacturer Model Number Manufacturer Model Number

C331-300

C636-300

	Manufacturer Manufacturer

Starrett

	Finish Finish

Satin Chrome

	Color Color

	Silver

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Numeric Increments Numeric Increments

4/32"

1 cm

	Thickness Thickness

1/64"

3/64"

	Certification Certification

NIST Calibration Certificate

	Material Material

Steel

	Graduation Mark Style Graduation Mark Style

Etched

	Reading Direction Reading Direction

	Left to Right

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

DFARS Specialty Metals
COTS-Exempt

	Graduation Color Graduation Color

	Black

	Orientation Orientation

3 Products

Starrett High-Accuracy Rulers

Inch/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
11 3/4"/300 mm	1/2 mm (10 mm), 32nds (4/32")	Millimeters (10 mm), 64ths (8/64")	-0.0035" to +0.005"/-0.09 mm to +0.15 mm	1"	3/64"	Rigid	Silver	Etched	C636-300	0000000	000000
11 3/4"/300 mm	32nds (4/32"), 64ths (8/64")	1/2 mm (10 mm), Millimeters (10 mm)	-0.0035" to +0.005"/-0.09 mm to +0.15 mm	1/2"	1/64"	Flexible	Silver	Etched	C331-300	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
11 3/4"/300 mm	1/2 mm (10 mm), 32nds (4/32")	Millimeters (10 mm), 64ths (8/64")	-0.0035" to +0.005"/-0.09 mm to +0.15 mm	1"	3/64"	Rigid	Silver	Etched	C636-300	0000000	0000000