Hole Locators | McMaster-Carr

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Aluminum Bronze

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DFARS Specialty Metals

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0.05 mm to 3 mm

0.1 mm to 1.4 mm

0.1 mm to 1.5 mm

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High-Carbon Steel

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Impact Resistant

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431 Products

Measuring and Inspecting

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Machine Tool Indicator Contact Points

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

Probe Styli

Attach to CMM probes, CNC probes, or FARO arms to inspect workpieces

Coordinate Measurement Machine Probes

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

Calibration Spheres

Calibration Spheres

Test your CMM probe and stylus against a precise reference point before you start inspecting

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

Fabricating and Machining

Drill Guides

Pair with handheld drills to create precise holes, no drill press required

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Gasket Cutters

Create circular gaskets from pliable material and soft metal

Material Handling

Robot Tool Calibration Styli

Robot Tool Calibration Styli

Calibrate robot arm movement for precision in tasks such as attaching fasteners

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