Surface Gauges | McMaster-Carr

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Measuring Functions

Number of Swatches

Material

Length

Base Width

Tip Style

For Use On

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Base Material

Base Length

Width

Scriber Length

Display Type

Manufacturer Model Number

Mounting Rod Length

Number of Gauge Pins

Mounting Rod Diameter

Coating Thickness

Specifications Met

Height

Overall Height

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61 Products

Fabricating and Machining

Scribers

Mark steel, stainless steel, plastic, glass, and ceramic surfaces

Measuring and Inspecting

Surface Finish Gauges

Surface Finish Gauges

Compare your surface to the swatches to see if you’ve achieved the desired finish

Surface Roughness Testers

Surface Roughness Testers

Trace the surface of a part to calculate its roughness parameters in Ra, Rp, and Rq

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Gloss Meters

Measure the gloss of paint, coatings, and surfaces to ensure each product is as shiny as the last

Optical Comparators

Optical Comparators

Magnify your part to check for dimensional accuracy and surface defects

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