Bevel Protractors | McMaster-Carr

	Arm Length Arm Length

4 1/2"

12"

	Number of Arms Number of Arms

	Maximum Angle Measuring Maximum Angle Measuring

180°

360°

120'

	Graduation Marks Graduation Marks

1°

	Numeric Increments Numeric Increments

10°

30'

	Material Material

Stainless Steel

Steel

	Bevel Angle Bevel Angle

45°

60°

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

DFARS Specialty Metals
COTS-Exempt

	Minimum Angle Measuring Minimum Angle Measuring

0°

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

REACH Compliant

	Head Shape Head Shape

Rectangular

Half Round

	Manufacturer Manufacturer

Starrett

Mitutoyo

	Manufacturer Model Number Manufacturer Model Number

187-904

C19

C183

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Ruler System of Measurement Ruler System of Measurement

Inch

Metric

	Ruler Graduation Marks Ruler Graduation Marks

64ths

Millimeters

	Ruler Numeric Increments Ruler Numeric Increments

8/64"

1 cm

	Head Width Head Width

3 1/4"

3 3/8"

	Arm Width Arm Width

7/32"

5/16"

	Arm Graduation Marks Arm Graduation Marks

32nds

Inches

	Arm Numeric Increments Arm Numeric Increments

4/32"

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11 Products

Precision Protractors

Take precise measurements with this protractor. It has angle graduations from 0° to 90° in four quadrants. Use it to measure molds and jigs. Also known as a bevel protractor, it has an adjustable arm. Protractor has a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings.

							Graduation
Bevel Angle	0°-360° Angle Measuring Range Graduation Marks (Numeric Increments)	0'-120' Angle Measuring Range Graduation Marks (Numeric Increments)	Accuracy Range	No. of Arms	Arm Lg.	Color	Color	Mark Style	Includes	Container	Container Material		Each
Satin-Chrome Stainless Steel
45°, 60°	1° (10°)	5' (30')	-0.083° to +0.083°	2	6", 12"	Silver	Black	Etched	Magnifier	Case	Plastic	000000	000000

Mitutoyo Precision Protractors

Precisely measure angles on molds and jigs. This protractor has angle graduations from 0° to 90° in four quadrants. Also known as a bevel protractor, it has an adjustable arm. Protractor has a corrosion-resistant satin-chrome finish that reduces glare and wear-resistant etched markings. To measure angles from 0° to 90°, add an acute-angle attachment.

							Graduation
Bevel Angle	0°-360° Angle Measuring Range Graduation Marks (Numeric Increments)	0'-120' Angle Measuring Range Graduation Marks (Numeric Increments)	Accuracy Range	No. of Arms	Arm Lg.	Color	Color	Mark Style	Includes	Container	Container Material	Manufacturer Model No.		Each
Satin-Chrome Stainless Steel
45°, 60°	1° (10°)	5' (30')	-0.083° to +0.083°	1	6"	Silver	Black	Etched	Magnifier	Case	Plastic	187-904	000000	0000000

12" Arm (Mitutoyo No. 187-103)	000000	Each	000000
Acute-Angle Attachment (Mitutoyo No. 187-105)	000000	Each	00000

Protractors with Adjustable Arms

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.

				Head				Graduation
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Arm Lg.	Shape	Ht.	Wd.	Color	Color	Mark Style		Each
Stainless Steel
0°-180°	1° (10°)	1	6"	Half Round	2"	3 3/8"	Silver	Black	Etched	0000000	000000
0°-180°	1° (10°)	1	6"	Rectangular	2"	3 3/8"	Silver	Black	Etched	0000000	00000

Starrett Protractors

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
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Arm Lg.	Shape	Ht.	Wd.	Color	Color	Mark Style	Manufacturer Model No.		Each
Steel
0°-180°	1° (10°)	1	6"	Half Round	2"	3 1/4"	Silver	Black	Etched	C19	0000000	0000000
0°-180°	1° (10°)	1	6"	Rectangular	2"	3 3/8"	Silver	Black	Etched	C183	0000000	000000

Pocket-Size Protractors

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
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Lg.	Wd.	Color	Color	Mark Style	Ruler Front Graduation Marks (Numeric Increments)	Features		Each
Inch/Metric
Stainless Steel
0°-180°	1° (10°)	1	4 1/2"	5/16"	Silver	Black	Etched	Millimeters (1 cm), 64ths (8/64")	59° Drill Point Gauge, Center Finder, Circle Divider, Tap and Drill Reference Table	0000000	000000

Protractors with Graduated Arm

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
Angle Measuring Range	Graduation Marks (Numeric Increments)	No. of Arms	Lg.	Wd.	Front Graduation Marks (Numeric Increments)	Shape	Ht.	Wd.	Color	Color	Mark Style		Each
Inch
Stainless Steel
0°-180°	1° (10°)	1	6"	7/32"	Inches (1"), 32nds (4/32")	Rectangular	2"	3 3/8"	Silver	Black	Etched	0000000	000000

Angle Transfers

Duplicate or transfer any angle. Adjust the blades to an angle and tighten the nut to lock them in place. These transfers are also known as bevel squares and sliding bevels.

Blade			Handle
Lg.	Wd.	Material	Lg.	Material		Each
10"	1 1/8"	Stainless Steel	5 1/2"	Wood	000000	000000