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Back to Technical Information
MECHANICAL
PROPERTIES OF FASTENERS
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CLASS
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New
Designation
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4.6
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4.8
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5.6
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5.8
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6.6
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6.8
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6.9
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8.8
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10.9
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12.9
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14.9
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Formerly
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4D
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4S
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5D
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5S
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6D
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6S
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6G
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8G
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10K
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12K
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--
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U.S.
GRADE
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1
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2
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2
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2
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3
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3
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3
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5
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8
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--
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--
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Brinell
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Rockwell
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Yield
Point psi
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45,000
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56,000
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76,000
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76,000
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91,000
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128,000
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153,000
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180,000
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Tensile
Strength psi
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© 2006, Creative Assembly Systems, Inc. | An FDMC Company
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