High-Strength Hex Shaft Coupler
Our hex shaft couplers are manufactured out of high strength C1018 steel and are black oxide coated for corrosion resistance. Hex shaft couplings offer the best performance and some of the highest torque ratings because of the hexagonal bore design. 1018 grade cold rolled carbon steel is used for hex shaft couplers because is a high-strength material that offers great precision and good case hardening qualities. We keep these in stock in bore sizes 9/16" to 1-1/8" but other sizes can be manufactured upon request.
Hex Coupler
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Coupler Size
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Dimensions (D)
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Dimension (A)
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Dimension (C)
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Dimension (E)
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Dimension (B)
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1/4"
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9/16"
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2-1/2"
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5/8"
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1-1/2"
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1/4"
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7/8"
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3"
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5/8"
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1-3/4"
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1/4"
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5/8"
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2-1/2"
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5/8"
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1-1/2"
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1/4"
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3/4"
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3"
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5/8"
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1-5/8"
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5/16"
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1-1/8"
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4-1/2"
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1"
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2"
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