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Material
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Export Control Classification Number (ECCN)
DFARS Specialty Metals
Arm Type
Starrett High-Accuracy Combination Square Heads
Attach to Starrett High-Accuracy Combination Square Blades with the included lockbolts.
Protractor Heads
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Protractor heads measure angles.
Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
High-Accuracy Combination Square Heads
Attach to High-Accuracy Combination Square Blades with the included lockbolts.
Protractor Heads
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Protractor heads measure angles.
Cast Iron—Cast iron heads are durable, so they resist dents and scratches. However, they corrode more easily than zinc heads.
Starrett Protractors with Adjustable Arm
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Half-Round Head | Rectangular Head |
Also known as bevel protractors, set bevels and measure angles with the adjustable arm. All have graduations from 0° to 180° in both directions. They have a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.
Head | Graduation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Degree Angle Measured Range | Degree Graduations (Angle Increments) | No. of Arms | Arm Length | Shape | Ht. | Wd. | Color | Color | Type | Mfr. Model No. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Satin Chrome-Plated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
0° to 180° | 1° (10°) | 1 | 6" | Half Round | 2" | 3 1/4" | Silver | Black | Etched | C19 | 2197A12 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
0° to 180° | 1° (10°) | 1 | 6" | Rectangle | 2" | 3 3/8" | Silver | Black | Etched | C183 | 2197A11 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pocket Protractors
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Small enough to fit in your pocket, this versatile tool measures angles and dimensions and has a center finder. Also known as a bevel protractor, it has an adjustable arm. Protractor is corrosion-resistant stainless steel with wear-resistant etched markings.
Arm | Graduation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Degree Angle Measured Range | Degree Graduations (Angle Increments) | No. of Arms | Lg. | Wd. | Color | Color | Type | Ruler Front Graduation Marks (Numeric Increments) | Measuring Features | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Inch/Metric | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
0° to 180° | 1° (10°) | 1 | 4 1/2" | 5/16" | Silver | Black | Etched | 1 mm (1 cm), 1/64" (8/64") | 59° Drill Point Gauge, Center Finder, Circle Divider, Tap and Drill Reference Table | 2106A11 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Starrett Protractors with Graduated Arm
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Measure angles and dimensions with one tool. Protractor has graduations from 0° to 180° in both directions. Also known as a bevel protractor, it has an adjustable arm. The arm is narrow to fit into holes for use as a depth gauge. It has a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.
Arm | Head | Graduation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Degree Angle Measured Range | Degree Graduations (Angle Increments) | No. of Arms | Lg. | Wd. | Front Graduation Marks (Numeric Increments) | Back Graduation Marks (Numeric Increments) | Shape | Ht. | Wd. | Color | Color | Type | Mfr. Model No. | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Satin Chrome-Plated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Inch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
0° to 180° | 1° (10°) | 1 | 6" | 3/16" | 1" (1"), 1/64" (1") | 1" (1"), 1/32" (1") | Rectangle | 2" | 3 3/8" | Silver | Black | Etched | C493B | 19265A21 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Protractors with Adjustable Arm
![]() | ![]() |
Half-Round Head | Rectangular Head |
Set bevels and measure angles. Also known as bevel protractors, these have an adjustable arm. All have graduations from 0° to 180° in both directions. They’re made of corrosion-resistant stainless steel and have wear-resistant etched markings.
Protractors with Graduated Arm
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Use this protractor to measure angles and dimensions. It has graduations from 0° to 180° in both directions. Protractor is corrosion-resistant stainless steel with wear-resistant etched markings. Also known as a bevel protractor, it has an adjustable arm. The arm is narrow to fit into holes for use as a depth gauge.
Arm | Head | Graduation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Degree Angle Measured Range | Degree Graduations (Angle Increments) | No. of Arms | Lg. | Wd. | Front Graduation Marks (Numeric Increments) | Shape | Ht. | Wd. | Color | Color | Type | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Inch | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
0° to 180° | 1° (10°) | 1 | 6" | 7/32" | 1" (1"), 1/32" (4/32") | Rectangle | 2" | 3 3/8" | Silver | Black | Etched | 8516A51 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||