Center Gauges | McMaster-Carr

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DFARS Specialty Metals

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EAR99

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536 Products

Measuring and Inspecting

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

4 products

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

9 products

Caliper Tips

Install on your caliper to measure hard-to-reach areas or center-to-center distances

4 products

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

1 product

Combination Square Center Heads

Attach combination square blades to form a combination square

15 products

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

70 products

Machine Tool Indicators

Find the exact edge of a workpiece without math or guesswork to quickly align your machining setup

6 products

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

10 products

Combination Square Blades

Connect to a combination square head to create a combination square

17 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

27 products

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

3 products

Tape Measures

Standard, long, center-finding, and flexible tape measures

2 products

Center Finders

Line up your drill with the center of round bars and pipe

1 product

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

15 products

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

320 products

Layout Compasses

Draw circles and transfer distance measurements

27 products

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

5 products

Center Punches

Mark center holes in metal and other material

5 products

Fabricating and Machining

Drill Bit Guides

Drill precise holes without building a fixture

2 products