Surface Gauges | McMaster-Carr

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Measurement Unit

For Surface Type

Number of Swatches

Measuring Functions

ANSI Standard Testing

ISO Standard Testing

JIS Standard Testing

Lower Limit Go/No-Go Readings

Surface Roughness Testing

Upper Limit Go/No-Go Readings

VDA Standard Testing

Material

Length

Base Width

For Use On

Stainless Steel

Tip Style

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Base Length

Base Material

Width

Scriber Length

Manufacturer Model Number

Display Type

Mounting Rod Length

Number of Gauge Pins

Mounting Rod Diameter

Coating Thickness

0 mil to 40 mil

0 mil to 60 mil

0 mil to 80 mil

0 mil to 250 mil

1/4 mil to 20 mil

1 mil to 15 mil

1 mil to 118 mil

0 μm to 1,000 μm

0 μm to 1,500 μm

0 μm to 6,000 μm

5 μm to 500 μm

25 μm to 3,000 μm

Specifications Met

Height

Overall Height

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61 Products

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

Fabricating and Machining

Scribers

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

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