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Graduation Marks Graduation Marks |
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Reading Direction Reading Direction |
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Graduation Mark Style Graduation Mark Style |
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Certification Certification |
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Graduation Color Graduation Color |
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Starrett High-Accuracy Rulers
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.
| Lg. | Front Graduation Marks (Numeric Increments) | Back Graduation Marks (Numeric Increments) | Accuracy | Wd. | Thick. | Flexibility | Color | Graduation Mark Style | Manufacturer Model No. | Each | |
Inch/Metric—Left to Right Reading Direction | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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
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.
| Lg. | Front Graduation Marks (Numeric Increments) | Back Graduation Marks (Numeric Increments) | Accuracy | Wd. | Thick. | Flexibility | Color | Graduation Mark Style | Manufacturer Model No. | Each | |
Inch/Metric—Left to Right Reading Direction | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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 |