Bevel Protractors | McMaster-Carr

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13 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-plated 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-Plated 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-plated 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-Plated 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

Certified Mitutoyo Precision Protractors

With a calibration certificate traceable to NIST that says they’ve passed a test for accuracy, you can trust these protractors to measure angles on molds and jigs precisely. They have angle graduations from 0° to 90° in four quadrants. Also known as bevel protractors, they have an adjustable arm. These protractors are satin chrome-plated to resist corrosion and reduce glare. Their etched markings are wear resistant.

							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-Plated Stainless Steel
45°, 60°	1° (10°)	5' (30')	-0.083° to +0.083°	1	6"	Silver	Black	Etched	Magnifier	Case	Plastic	187-904	0000000	0000000

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 with Adjustable Arms

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.	Appearance		Each
Steel
0°-180°	1° (10°)	1	6"	Half Round	2"	3 1/4"	Silver	Black	Etched	C19	Satin	0000000	0000000
0°-180°	1° (10°)	1	6"	Rectangular	2"	3 3/8"	Silver	Black	Etched	C183	Satin	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

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

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

Multi-Angle Transfers

Shown in Multiple Configurations

Transfer multiple angles, draw parallel lines, or create a template to make repeated patterns and measurements. Adjust the four arms on these transfers to the desired shape, and tighten the nuts to lock them in place. They’re often used as layouts for stairs and window sills or patterns in tile.

			Blade
Number of Arms	Arm Lg.	Numeric Increments	Wd.	Material	Color	Graduation Mark Style	Graduation Marks	Graduation Color		Each
4	4"/12 cm 10"/25 cm	1”/1 cm 1”/1 cm	1"	Aluminum	Black	Etched	16ths, Millimeters	White	00000000	000000