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The Cap Screw
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High-strength alloy steel
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Proprietary heat treat process produces superior strength and increased ductility.
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20% higher head
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Washer-faced
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Minimum tensile strengths: 200,000 PSI
(1/4 through and including 7/16 dia.); 190,000 PSI
(1/2 through and including 5/8 dia.); 180,000 PSI
(3/4 though and including 1-1/4 dia.)
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The extra thick CHOICE 180 Finished Nut is plated
with cadmium dichromate yellow and wax to provide
excellent corrosion resistance and the proper
lubrication for torque values.
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The extra thickness of. the nut, like the
CHOICE 180 Cap Screw offers a larger wrench
pad for those high torque applications
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The locknut provides that extra margin
of safety against loosening in those
high vibration applications.
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Designed in coordination with the entire CHOICE 180 Fastening System.
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The use of two CHOICE 180 Flatwashers with each CHOICE
180 installation is engineered to help produce
the desired clamp load.
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Plated with the same cadminum yellow dichromate as the CHOICE 180 nut.
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