Tap Gauges | McMaster-Carr

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30 Products

Measuring and Inspecting

Tap and Drill Charts/Rulers

Tap and Drill Charts/Rulers

Reference tap and drill sizes, measure in inches, and convert to decimals with one tool

Thread Size Identifiers

Thread Size Identifiers

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

Drill Bit Size Gauges

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

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