Drill Size Charts | McMaster-Carr

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Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

Measuring and Inspecting

Tap and Drill Chart/Rulers

Tap and Drill Chart/Rulers

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

Drill Bit Size Gauges

Drill Bit Size Gauges

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

Thread Size Identifiers

Thread Size Identifiers

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

Drill Point Angle Gauges

Drill Point Angle Gauges

Verify drill point angles after sharpening

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