Clearance Indicators | McMaster-Carr

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System of Measurement

Thickness

Material

Length

Leaf Length

Thicknesses Included

0.002" to 0.01" (0.001" Increments)

0.002" to 0.021" (0.001" Increments)

0.002" to 0.025" (0.001" Increments)

0.002" to 0.035" (0.001" Increments)

0.0025"

0.003"

0.003" (Green)

0.003" to 0.01" (0.001" Increments)

0.003" to 0.025" (0.001" Increments)

0.003" to 0.026" (0.001" Increments)

Leaf Type

Width

Number of Leaves

End Style

REACH

RoHS

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

Frame Material

Container Type

Measuring Sizes

Closed Length

Thickness Measuring Increments

0.001"

0.005"

0.05 mm

Maximum Thickness Measured

Leaf Width

Performance

Color

Closed Width

Manufacturer Model Number

388 Products

Feeler Gauges

Starrett Tapered-Thickness Feeler Gauges

Check a range of thicknesses with a single tapered gauge

1 product

Ready-to-Use Feeler Gauges

Check gaps, alignment, and narrow slots

128 products

Starrett Tapered-Thickness Feeler Gauges with Calibration Certificate

Check a range of thicknesses with a single tapered gauge

1 product

Plastic Clearance Feeler Gauges

Squish between two components to measure the clearance between them

12 products

Tapered-Width Feeler Gauges

Confirm the size of slots, holes, and mating surfaces with a single tapered gauge

6 products

Feeler Gauge Rolls

Cut to your desired length

121 products

Feeler Gauge Sets

A variety of leaf thicknesses to confirm gaps are within tolerance

22 products

Color-Coded Feeler Gauge Sets

Color coded by thickness so you can read measurements at a glance

12 products

Starrett Feeler Gauge Sets for Tight Spaces with Calibration Certificate

Narrow ends measure thickness where other gauges don’t fit

7 products

Tapered-Width Feeler Gauge Sets

Multiple tapered leaves in a range of widths to measure slots and holes

4 products

Spark Plug Feeler Gauges

Slide between the electrodes to measure the gap

3 products

Wire, Width, and Thickness Feeler Gauge Sets

A variety of feeler gauges in one tool

2 products

Color-Coded Feeler Gauges

Color coded by thickness so you can read measurements at a glance

16 products

Starrett Feeler Gauge Sets

A variety of leaf thicknesses to confirm gaps are within tolerance

13 products

Starrett Feeler Gauge Sets with Calibration Certificate

A variety of leaf thicknesses to confirm gaps are within tolerance

13 products

Feeler Gauge Assortments

A range of thicknesses to check gaps, alignment, and narrow slots

7 products

Starrett Feeler Gauge Sets for Tight Spaces

Narrow ends measure thickness where other gauges don’t fit

7 products

Tapered-Thickness Feeler Gauges

Check a range of thicknesses with a single tapered gauge

4 products

Feeler Gauge Sets for Tight Spaces

Narrow ends measure thickness where other gauges don’t fit

2 products

Other Products

Step Gauges

Check step height, gap width, and distance between slots to make sure machine and engine parts align

5 products

Feeler Gauge Holders

Clamp onto your feeler gauge to keep it in position

2 products