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Manufacturer
Starrett
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System of Measurement
Inch
Metric
Angles Measured
1°
2°
3°
4°
5°
7°
8°
9°
10°
12°
14°
14
1/2°
15°
20°
25°
30°
35°
45°
Material
Cast Iron
Metal
Steel
Head Shape
Half Round
Rectangle
Angle Increments
10°
Blade Length
1
1/2"
2
3/8"
3"
3
1/2"
4"
4
5/16"
4
1/2"
6"
7"
11
3/4"
12"
12" to 48"
18"
23
1/2"
24"
30 cm
600 mm
Manufacturer Model Number
9-12-4R
9-18-4R
9-24-4R
11H-12-4R
11H-6-4R
20-1 1/2
20-12
20-3
20-4 1/2
20-6
435-12-16R
435-12-4R
435-18-4R
435-24-4R
435ME-300
435ME-600
466
683-1Z
Arm Length
6"
Length
4"
6"
11
3/4"
12"
23
1/2"
24"
36"
300 mm
600 mm
Angle Measured
0° to 90°
0° to 180°
82°
90°
90° to 127°
100°
Graduations
1°
1/100"
1/64"
1/50"
1/32"
1/16"
1/8"
0.5 mm
1 mm
Square Head Material
Cast Iron
Steel
Export Control Classification Number (ECCN)
EAR99
DFARS Specialty Metals
Exempt
REACH
Compliant
Not Compliant
RoHS
Compliant
Not Compliant
Color
Black
Chrome
Silver
White
Numeric Graduations
1/10"
4/32"
1"
10 mm
Blade Material
Steel
Graduation Color
Black
Head Length
2
1/4"
2
13/32"
3
5/8"
4
1/2"
Blade Width
1/2"
17/32"
5/8"
47/64"
3/4"
7/8"
15/16"
1"
1
1/16"
1
1/8"
1
5/16"
1
31/64"
2"
Blade Thickness
3/64"
1/16"
5/64"
3/32"
1/4"
13/32"
1/2"
23/32"
3/4"
Measuring Component
Blade
Center Head
Protractor Head
Square Head
Square Head with Built-In Level
Width
5/8"
3/4"
1"
22"
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109 Products
Measuring and Inspecting
Angle Identifiers
Place the edges against fittings, dies, and other objects to quickly verify angles up to 45°
1 product
Protractors
Set bevels and measure angles with everything from pocket-size to long-arm protractors
3 products
Combination Square Blades
Connect to a combination square head to create a combination square
10 products
Squares
Check 90° angles during layout work with combination, angle, or pipefitters' squares
55 products
Combination Square Heads
Attach combination square blades to form a combination square
18 products
Chamfer Gauges
Check the diameter of chamfered edges to make sure they're within tolerance
8 products
Countersink Gauges
Catch sizing errors in countersunk holes to keep fasteners from protruding and creating weak points
12 products
Optical Comparators
Magnify your part to check for dimensional accuracy and surface defects
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)