Plastic Calipers | McMaster-Carr

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23 Products

Digital Calipers with Fractional Display

Convert measurements to fractions with the push of a button. These calipers measure in both decimals and fractions of an inch, so you don't need to memorize conversions. They're especially handy for carpentry and similar jobs that involve measurements down to _1/64".

With an LCD display, these calipers give instant measurements—no need to count graduations. Swap between inch and metric or set the position to zero, all with the press of a button.

Plastic Jaw—Best for measuring delicate surfaces, these jaws won't scratch. They also won't conduct electricity when working with wires and electrical parts. However, they'll wear down faster than metal jaws.

Zero-Position Memory (ABS)—Retain the caliper's position when turned off, so you don't need to reset the zero point each time. Also called absolute (ABS) positioning.

	Measuring Range		Accuracy		Measuring Increments
	Inch	Metric, mm	Inch	Metric	Inch	Metric, mm	Fractional Increments	Overall Lg.	Body Material	Jaw Material	Measuring Functions		Each
Without SPC Data Output



		0" to 6"	0 to 150	±0.008"	±0.20 mm	0.0005"	0.01	1/64"	9 1/4"	Plastic	Plastic	Zero-Position Memory (ABS)	0000000	000000

Replacement Batteries

			Pkg.
Replacement CR2032 Lithium Battery	1	0000000	00000	00000	00000

Mitutoyo Caliper Cases

Fitted to your Mitutoyo caliper, these cases protect your caliper when you're storing or transporting it.

For Caliper Measurement Range	Material	Mfr. Model No.	For Mfr. Model No.	Each
0" to 6", 0 mm to 150 mm	Plastic	05RAB235	500-170-30, 500-171-30, 500-195-30, 500-196-30, 500-474, 500-733-20, 500-752-20, 500-762-20, 500-784, 505-730, 505-738, 505-740, 505-741, 505-742, 573-721-20	000000
0" to 8", 0 mm to 200 mm	Plastic	05RAB350	500-172-30, 500-197-32, 500-475, 500-734-20, 500-753-20, 500-763-20, 500-785, 505-731, 505-737, 505-741, 505-743, 573-701-20, 573-705-20, 573-761-20	00000
0" to 12", 0 mm to 300 mm	Plastic	06AGA900	500-173, 500-193, 500-754-10, 500-764-10, 505-746, 505-749	00000
0" to 18", 0 mm to 450 mm	Plastic	06ACX218A	500-505-10	00000
0" to 24", 0 mm to 600 mm	Plastic	06ACM396A	500-506-10	00000

Mitutoyo Caliper Battery Covers

Protect the battery inside your Mitutoyo caliper.

Mfr. Model No.	For Mfr. Model No.	Material		Each
05CAA698	500-505-10, 500-506-10	Plastic	0000000	00000
05CAA738	500-507-10	Plastic	0000000	0000
06ACQ926	552-313-10, 552-314-10, 552-315-10	Plastic	0000000	0000
06AEG431	500-170-30, 500-171-30, 500-172-30, 500-173-30, 500-193-30, 500-195-30, 500-196-30, 500-197-32, 573-291-30	Plastic	0000000	0000
06AEY285	500-752-20, 500-753-20, 500-754-20, 500-762-20, 500-763-20, 500-764-20, 573-701-20, 573-705-20, 573-721-20, 573-761-20	Plastic	0000000	0000
06AEY286	500-733-20, 500-734-20	Plastic	00000000	0000
09GAA185	500-173, 500-193, 500-196	Plastic	0000000	0000

Dial Calipers

Watch the needle move as the jaws do for trustworthy measurements. To calculate your final measurement, simply add the decimal value on the dial to the number on the main scale. These calipers are battery-free, so they're always ready to use. However, the glass dial and internal components can break if accidentally dropped.

McMaster-Carr Approved—The performance of brand-name calipers without the cost.

									Calipers
	Measuring Range	Accuracy	Measuring Increments	Measurement per Dial Rev., mm	Overall Lg.	Body Material	Jaw Material	Dial Face Color		Each
McMaster-Carr Approved



		0 mm to 150 mm	±0.025 mm	0.1 mm	10	8 3/4"	Plastic	Plastic	White	0000000	000000

Dial Calipers with Fractional Display

No need to memorize conversions. The dial on these calipers lists measurements in both decimals and fractions of an inch. They're especially handy for carpentry and similar jobs that involve measurements down to _1/64".

To calculate your final measurement, simply add the value on the dial to the number on the main scale. These calipers are battery-free, so they’re always ready to use. However, the glass dial and internal components can break if accidentally dropped.

									Calipers
Measuring Range	Accuracy	Measuring Increments	Measurement per Dial Rev.	Fractional Increments	Overall Lg.	Body Material	Jaw Material	Dial Face Color		Each



	0" to 6"	±0.001"	0.01"	1"	1/64"	8.75"	Plastic	Plastic	Green/White	0000000	000000

Static-Control Dial Calipers

Prevent static from damaging sensitive electronics as you measure them. The fiberglass body drains static away from your workpiece so you don't pass along harmful charges.

										Calipers
Measuring Range	Accuracy	Measuring Increments	Measurement per Dial Rev.	Overall Lg.	Body Material	Jaw Material	Dial Face Color	Surface Resistance	Specs. Met		Each



	0" to 6"	±0.002"	0.001"	0.3"	9 3/4"	Fiberglass	Steel	White	1× 10^6 Ω to 1× 10^9 Ω	IEC 61340-5-1	0000000	000000


	0 mm to 150 mm	±0.05 mm	0.1 mm	10 mm	9 3/4"	Fiberglass	Steel	White	1× 10^6 Ω to 1× 10^9 Ω	IEC 61340-5-1	0000000	00000

Starrett Caliper Cases

Designed specifically to fit Starrett calipers, these cases keep your tools protected while storing and transporting them.

For Caliper Measurement Range	Material	Mfr. Model No.	For Mfr. Series	For Mfr. Model No.		Each
0" to 6", 0 mm to 150 mm	Plastic	PT24890	120, 798, EC799	120A-6, 120AM-150, 120X-6, 798A-6/150, 798B-6/150, B120A-6, EC799A-6/150, R120A-6	0000000	000000

Starrett Caliper Battery Covers

Protect the battery inside your Starrett caliper.

Mfr. Model No.	For Mfr. Series	For Mfr. Model No.	For Caliper Measurement Range	Material		Each
63620-0	EC799	EC799A-6/150, EC799A-8/200	0" to 6", 0" to 8", 0 mm to 150 mm, 0 mm to 200 mm	Plastic	0000000	000000

Outside Micrometers

With Heat-Insulated

Frame and Decimal

Equivalent Table

Your classic micrometers, balancing precision with durability. Read the scales on the sleeve and thimble to find your exact measurements. These micrometers don't need batteries, so they're always ready for the job.

You can always expect accuracy with our micrometers. The anvil and spindle are precision ground to exact dimensions for reliable readings every time.

Mitutoyo—The go-to for machinists and engineers. Every part is made within a Mitutoyo automated factory and tested in-house in Japan. The spindle glides as you turn the thimble with a weighty, silky-smooth feel.

Heat-Insulated Frame—Prevent the micrometer from expanding due to heat from your hand, which can distort your measurements.

Decimal Equivalent Table—Quickly convert fractions to decimals using the table stamped on the frame.

Calibration Certificate—Choose these micrometers when precision measurements are required for quality control or by regulation. The certificate is traceable to NIST, so you can be confident your measurements are correct and consistent.

Ratchet-Stop Thimble—Best for consistent, repeatable measurements. The spindle stops extending the moment it reaches your part, so it won’t overtighten. Hear and feel a satisfying click that confirms you’ve applied the right amount of pressure.

									Outside Micrometers		Outside Micrometers with Calibration Certificate
	Measuring Range	Accuracy	Measuring Increments	Thimble Type	Throat Dp.	Frame Material	Measurement Scale Type	Mfr. Model No.		Each		Each
Mitutoyo







				With Heat-Insulated Frame and Decimal Equivalent Table

				0" to 1"	±0.0001"	0.0001"	Ratchet Stop	1 1/8"	Plastic	Vernier	102-327-10	00000000	0000000	00000000	0000000

Replacement Cases

			Pkg.
	Pkg. Qty.		1-9	10-49	50-Up
Replacement CR2032 Lithium Battery	1	0000000	00000	00000	00000

		Each
Mitutoyo



	102-327-10, 102-331-10, 103-135, 103-137, 103-259	0000000	00000