Charts | McMaster-Carr

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System of Measurement

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For Use With

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Decimal Equivalents and Drill Sizes

Socket Screw Specifications

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

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Thread Location

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REACH

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Pipe Size

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Industrial Engineering and Plant Maintenance

Drill Bit Size

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

Yes

Number of Identifiers

Thickness

150 Products

Measuring and Inspecting

Thread Size Identifiers

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

43 products

Tap and Drill Chart/Rulers

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

1 product

Drill Bit Size Gauges

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

5 products

Drill Point Angle Gauges

Verify drill point angles after sharpening

1 product

Pipe Size Chart/Rulers

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

3 products

Pipe Size Measuring Kits

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

4 products

Data Recorder Charts

Place in temperature and humidity data recorders to document readings over time

16 products

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

56 products

Surface Finish Gauges

Compare your surface to the swatches to see if you’ve achieved the desired finish

4 products

Communication

Reference Charts

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

6 products

Reference Books

Keep industrial information, regulations, and processes on hand

2 products

Calendars

Wall, wet erase, and dry erase calendars to keep track of dates and appointments

1 product