Size Charts | McMaster-Carr

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76 Products

Measuring and Inspecting

Thread Size Identifiers

Thread Size Identifiers

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

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

Drill Point Angle Gauges

Drill Point Angle Gauges

Verify drill point angles after sharpening

Metal Gauges

Press sheet metal or wire into the slots to determine their thickness or gauge size

Pipe Size Measuring Kits

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

Pipe Size Chart/Rulers

Pipe Size Chart/Rulers

Curl around pipe to gauge its size, measure its diameter, or mark lines

O-Ring Gauges

Identify the size of your O-ring

Map Distance Measuring Tools

Map Distance Measuring Tools

Slide across maps and blueprints to measure distances

Communication

Reference Charts

Reference Charts

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

Reference Books

Reference Books

Keep industrial information, regulations, and processes on hand

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