Caliper Centerline Gauges

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81 Products

Center-to-Center Measuring Caliper Tips


Shown Installed

Install these tips, also known as centerline gauges, onto the jaws of electronic, dial, and vernier calipers to measure the center-to-center distance between two holes. A 60° conical shape allows the tips to fit snugly into holes.

For Caliper Measurement Range	Slot Wd.	Lg.	Material	No. of Tips	Includes		Each
0" to 4", 0" to 6", 0" to 8"	1/8"	2 5/16"	Stainless Steel	2	Hex Key Wrench	00000000	000000
0" to 12"	1/8"	2 3/4"	Stainless Steel	2	Hex Key Wrench	00000000	00000

Calipers for Measuring Center-to-Center

Find the exact distance between the centers of two holes without calculating their diameter. The tapered tips of the jaws stay centered in holes and bores for accurate measurements every time. Extend or shorten one jaw to measure parts with uneven surfaces, such as flanged bearings.

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. You don't need to reset the zero point since they retain their position when turned off, also known as absolute (ABS) positioning.

Mitutoyo—The go-to for machinists and engineers. Every part of these calipers is made within Mitutoyo's automated system and tested in-house in Japan. Their jaws are laser cut to exact dimensions for the most reliable measurements.

With SPC Data Output—Send measurements to a computer or data processor to store, analyze, and manage data. You'll need a data cable or SPC wireless transmitter and receiver.

Calibration Certificate—Choose these calipers 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.

	Measuring Range		Accuracy		Measuring Increments							Calipers with Calibration Certificate
	Inch	Metric, mm	Inch	Metric	Inch	Metric, mm	Overall Lg.	Body Material	Jaw Material	Enclosure Rating	Mfr. Model No.		Each
Mitutoyo







				With SPC Data Output

				0.4" to 6.4"	10 to 160	±0.0015"	±0.04 mm	0.0005"	0.01	9"	Stainless Steel	Stainless Steel	IP67	573-705-20	0000000	0000000

Accessories and Replacements for Calipers

Mitutoyo Cords


Mitutoyo Data Out Switch A × 10-Pin Mitutoyo Connector	Mitutoyo Data Out Switch A × USB-A

USB-A Connection—Plug calipers with SPC data output directly into your computer.

10-Pin Mitutoyo Connector—Connect calipers with SPC data output to a Mitutoyo miniprocessor or multiplexer.

	Lg.		Each
Mitutoyo



	Mitutoyo Data Out Switch A × 10-Pin Mitutoyo Connector	40"	00000000	0000000


	Mitutoyo Data Out Switch A × 10-Pin Mitutoyo Connector	80"	00000000	000000
	Mitutoyo Data Out Switch A × USB-A	80"	000000	000000

SPC Wireless Transmitters

Mitutoyo Data Out Switch A Connection

Wirelessly send measurements from calipers with SPC data output to your computer. You’ll also need a receiver.

Electrical Connection	Mfr. Series		Each
Mitutoyo Data Out Switch A	U-WAVE-T	000000	0000000

SPC Wireless Receivers

Wirelessly send measurements from calipers with SPC data output to your computer. You’ll also need a transmitter.

	For Mfr. Series		Each
Mitutoyo



	USB-A	U-WAVE-T	000000	0000000

	For Mfr. Model No.
Mitutoyo


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	0000000	00000

Replacement Cases

Mitutoyo

	Material		Each
Mitutoyo



	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	Plastic	0000000	000000

		Each
Replacement SR44 Silver Oxide Battery	00000000	00000	00000	00000

Threaded Hole Location Gauges

Find the true center of threaded holes to precisely align and measure parts. Once you thread these gauges into a hole, their cylinder sticks out as a reliable reference point. They’re often used with a coordinate measuring machine (CMM) to pinpoint the coordinates of the cylinder’s exact center. You can then use those coordinates to measure distances between points or reference them for error-free assembly. Even without a CMM, you can use these gauges with a micrometer to measure accurate center-to-center distances.

Thread Size	Thread Type	Hardness	Material	Each
0-80	UNF	Rockwell C60	Tool Steel	0000000
1-64	UNC	Rockwell C60	Tool Steel	000000
1-72	UNF	Rockwell C60	Tool Steel	000000
2-56	UNC	Rockwell C60	Tool Steel	000000
2-64	UNF	Rockwell C60	Tool Steel	000000
3-48	UNC	Rockwell C60	Tool Steel	000000
3-56	UNF	Rockwell C60	Tool Steel	000000
4-40	UNC	Rockwell C60	Tool Steel	000000
4-48	UNF	Rockwell C60	Tool Steel	000000
5-40	UNC	Rockwell C60	Tool Steel	000000
5-44	UNF	Rockwell C60	Tool Steel	000000
6-32	UNC	Rockwell C60	Tool Steel	000000
6-40	UNF	Rockwell C60	Tool Steel	000000
8-32	UNC	Rockwell C60	Tool Steel	000000
8-36	UNF	Rockwell C60	Tool Steel	000000
10-24	UNC	Rockwell C60	Tool Steel	000000
10-32	UNF	Rockwell C60	Tool Steel	000000
12-24	UNC	Rockwell C60	Tool Steel	000000
12-28	UNF	Rockwell C60	Tool Steel	000000
1/4"-20	UNC	Rockwell C60	Tool Steel	000000
1/4"-28	UNF	Rockwell C60	Tool Steel	000000
5/16"-18	UNC	Rockwell C60	Tool Steel	000000
5/16"-24	UNF	Rockwell C60	Tool Steel	000000
3/8"-16	UNC	Rockwell C60	Tool Steel	000000
3/8"-24	UNF	Rockwell C60	Tool Steel	000000
7/16"-14	UNC	Rockwell C60	Tool Steel	000000
7/16"-20	UNF	Rockwell C60	Tool Steel	000000
1/2"-13	UNC	Rockwell C60	Tool Steel	000000
1/2"-20	UNF	Rockwell C60	Tool Steel	000000
9/16"-12	UNC	Rockwell C60	Tool Steel	000000
9/16"-18	UNF	Rockwell C60	Tool Steel	000000
5/8"-11	UNC	Rockwell C60	Tool Steel	000000
5/8"-18	UNF	Rockwell C60	Tool Steel	000000
3/4"-10	UNC	Rockwell C60	Tool Steel	000000
3/4"-16	UNF	Rockwell C60	Tool Steel	000000
7/8"-9	UNC	Rockwell C60	Tool Steel	000000
7/8"-14	UNF	Rockwell C60	Tool Steel	000000
1"-8	UNC	Rockwell C60	Tool Steel	000000
1"-12	UNF	Rockwell C60	Tool Steel	000000
M1.6 × 0.35 mm	Metric	Rockwell C60	Tool Steel	000000
M2 × 0.4 mm	Metric	Rockwell C60	Tool Steel	000000
M2.5 × 0.45 mm	Metric	Rockwell C60	Tool Steel	000000
M3 × 0.5 mm	Metric	Rockwell C60	Tool Steel	000000
M3.5 × 0.6 mm	Metric	Rockwell C60	Tool Steel	000000
M4 × 0.7 mm	Metric	Rockwell C60	Tool Steel	000000
M5 × 0.8 mm	Metric	Rockwell C60	Tool Steel	000000
M6 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M8 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M8 × 1.25 mm	Metric	Rockwell C60	Tool Steel	000000
M10 × 0.75 mm	Metric	Rockwell C60	Tool Steel	000000
M10 × 1.25 mm	Metric	Rockwell C60	Tool Steel	000000
M10 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M12 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M12 × 1.25 mm	Metric	Rockwell C60	Tool Steel	000000
M12 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M12 × 1.75 mm	Metric	Rockwell C60	Tool Steel	000000
M14 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M14 × 2 mm	Metric	Rockwell C60	Tool Steel	000000
M15 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M16 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M16 × 2 mm	Metric	Rockwell C60	Tool Steel	000000
M17 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M18 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M20 × 1 mm	Metric	Rockwell C60	Tool Steel	000000
M20 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M20 × 2.5 mm	Metric	Rockwell C60	Tool Steel	000000
M22 × 1.5 mm	Metric	Rockwell C60	Tool Steel	000000
M22 × 2.5 mm	Metric	Rockwell C60	Tool Steel	000000
M24 × 2 mm	Metric	Rockwell C60	Tool Steel	000000
M24 × 3 mm	Metric	Rockwell C60	Tool Steel	000000

		Each
		1-9	10-49	50-Up
Replacement SR44 Silver Oxide Battery	00000000	00000	00000	00000