Starrett High-Accuracy Combination Square Blades

Inch

Inch/Metric
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. Blades are labeled with numeric increments that are less than 1" for quick reading. All have wear-resistant etched markings.
Satin-chrome finish is corrosion resistant and reduces glare.
Graduation | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduation Marks (Numeric Increments) | Back Graduation Marks (Numeric Increments) | Accuracy | Wd. | Thick. | Color | Color | Mark Style | Each | |
Inch | ||||||||||
Satin-Chrome Steel | ||||||||||
4" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.002" to +0.004" | 5/8" | 1/16" | Silver | Black | Etched | 0000000 | 000000 |
4" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.002" to +0.004" | 5/8" | 1/16" | Silver | Black | Etched | 0000000 | 00000 |
6" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.002" to +0.004" | 3/4" | 5/64" | Silver | Black | Etched | 0000000 | 00000 |
6" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.002" to +0.004" | 3/4" | 5/64" | Silver | Black | Etched | 0000000 | 00000 |
12" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0035" to +0.005" | 1" | 3/32" | Silver | Black | Etched | 0000000 | 00000 |
12" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.0035" to +0.005" | 1" | 3/32" | Silver | Black | Etched | 0000000 | 00000 |
24" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0035" to +0.007" | 1" | 3/32" | Silver | Black | Etched | 0000000 | 000000 |
24" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.0035" to +0.007" | 1" | 3/32" | Silver | Black | Etched | 0000000 | 000000 |
36" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0035" to +0.007" | 1" | 3/32" | Silver | Black | Etched | 0000000 | 000000 |
Inch/Metric | ||||||||||
Satin-Chrome Steel | ||||||||||
11 3/4"/300mm | 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" | 3/32" | Silver | Black | Etched | 0000000 | 00000 |
23 1/2"/600mm | 1/2 mm (10 mm), 32nds (4/32") | Millimeters (10 mm), 64ths (8/64") | -0.0035" to +0.007"/-0.11 mm to +0.25 mm | 1" | 3/32" | Silver | Black | Etched | 0000000 | 000000 |
High-Accuracy Combination Square Blades

Inch
Blades are for use with High-Accuracy Combination Square Heads. Blades are labeled with numeric increments that are less than 1" for quick-reading. All have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.
Graduation | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Front Graduation Marks (Numeric Increments) | Back Graduation Marks (Numeric Increments) | Accuracy | Wd. | Thick. | Color | Color | Mark Style | Each | |
Inch | ||||||||||
Satin-Chrome Steel | ||||||||||
12" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 000000 |
12" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 00000 |
18" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 00000 |
18" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 00000 |
24" | 32nds (4/32"), 64ths (8/64") | 8ths (1"), 16ths (1") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 00000 |
24" | 32nds (4/32"), 64ths (8/64") | 50ths (1/10"), 100ths (1/10") | -0.0025" to +0.0025" | 1" | 3/32" | Silver | Black | Etched | 00000000 | 000000 |