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Allen Key Size Chart


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Allen Key Size Chart. They show the proper keys for socket head cap screw, flat head cap screws, buttons head cap screws, set screws, shoulder screws, pressure plugs, allenuts, and low head cap screws. 28 rows find the decimal and metric equivalents of common inch fractions for allen wrenches.


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Find the dimensions of short arm, long arm and hex key allen wrenches in inch and metric units. Compare the width across flats, length of long arm. Trademarks are the properties of their respective owner (s).

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See the table of hex key sizes for set screws and cap. 28 rows find the decimal and metric equivalents of common inch fractions for allen wrenches. See the table of hex key sizes for set screws and cap. Trademarks are the properties of their respective owner (s).

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