Center Finder Gauges | McMaster-Carr

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	For Use With For Use With

	Material Material

Stainless Steel

	System of Measurement System of Measurement

	For Pipe Size For Pipe Size

1 1/2
2
2 1/2
3
3 1/2
4
5
6

	For Drill Bit Size For Drill Bit Size

	Diameter Diameter

	For Wire Diameter For Wire Diameter

	Body Diameter Body Diameter

	For Pipe Fitting Size For Pipe Fitting Size

	For Wire Gauge For Wire Gauge

	For Nut Size For Nut Size

	Tip Diameter Tip Diameter

	For Thread Type For Thread Type

	Overall Length Overall Length

	Tip Shape Tip Shape

	Graduation Location Graduation Location

	Graduation Marks Graduation Marks

	For Tube Fitting Material For Tube Fitting Material

Plastic

	For Tube Fitting Size For Tube Fitting Size

	For Tubing Material For Tubing Material

	For Nail Size For Nail Size

	For Screw Size For Screw Size

	Height Height

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289 Products

Size Identifying

All-in-One Identifiers

Find tube, pipe, fastener, wire, and drill bit sizes with one tool.

Threads per Inch and
Center Identifiers

Identify threads per inch on external threads and find the center of your workpiece to line up thread cutting tools.

Precision Dimensional Measuring

Machine Tool Indicators

Find the edge of a workpiece, align your setup, and inspect parts with one tool. Once installed in your milling machine spindle, these indicators can measure in three axes.

Tips for Machine Tool Indicators

Replace the tip of your machine tool indicator.

Calipers for
Center-to-Center Distances

Measure center-to-center distances with the pointed jaws on these calipers, which are designed to self-center in holes.

Center-to-Center Gauges for Calipers

Center-to-Center Gauges for Calipers

Install these gauges onto the jaws of electronic, dial, and vernier calipers to measure the center-to-center distance between two holes.

Combination Squares

Starrett High-Accuracy
Combination Squares

Replace your try square, miter square, depth gauge, height gauge, center-point finder, and level. The blade on these squares meets Fed. Spec. GGG-R-791H, which establishes uniform standards for accuracy, graduations, and size.

Starrett High-Accuracy
Combination Square Heads

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Attach to Starrett High-Accuracy Combination Square Blades with the included lockbolts.

High-Accuracy Combination Squares

Use these squares in place of your try square, miter square, depth gauge, height gauge, center-point finder, and level.

High-Accuracy Combination
Square Blades

Blades are for use with High-Accuracy Combination Square Heads.

High-Accuracy
Combination Square Heads

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Attach to High-Accuracy Combination Square Blades with the included lockbolts.

Combination Squares

Replace your try square, miter square, depth gauge, marking gauge, 90° level, ruler, and scriber with one tool.

Scratch-Resistant High-Accuracy
Combination Squares

A titanium coating protects the blade against scratches and wear.

Layout Marking and Drafting Tools

Starrett Edge Finders

Locate edges, shoulders, center points, and lines on your workpiece with more precision than standard edge finders.

Edge Finders

Locate edges, shoulders, center points, and lines on your workpiece.

Center Finders for Curved Surfaces

Center your work by mounting these into your drill chuck or collet and lining up the pointer with the mark on the shaft.

Starrett Swivel Joint
Center Finder Sets

Starrett Swivel Joint Center Finder Sets

Determine tool spindle position in relation to work surface, layout lines, holes, and slots. Also known as wiggler sets.

Center-Locating Punches
for Unthreaded Holes

Fit these through existing holes and mark the center of the hole in a second workpiece.

Combination Angle
Indicator/Center-Locating
Punches for Curved Surfaces

Combination Angle Indicator/Center-Locating Punches for Curved Surfaces

Find the center of square and round materials, such as structural framing and pipe, and determine setup angles on milling machines and grinders.

Edge Scribing Compasses

Mark and transfer distances from the outer edge of an object.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)