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Product Description

Part Number: 31C350BCGAG
Diameter/Pitch: 5/16"-18
Length Under Head: 3-1/2"
Grade: Grade A
Finish: Hot Dip Galvanized
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Square Width (Max): 0.324"


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5/16-18x3-1/2" A307 Grade A Carriage Bolts Galvanized

SKU: 31C350BCGAG
Product Description

Part Number: 31C350BCGAG
Diameter/Pitch: 5/16"-18
Length Under Head: 3-1/2"
Grade: Grade A
Finish: Hot Dip Galvanized
Coarse / Fine Threads: Coarse
Partial / Full Threads: Full
Square Width (Max): 0.324"


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Diameter Pitch5/16-18
Grade MaterialGrade A
Partial Full ThreadsFull
Threads Per Inch18 TPI
Tensile Strength60,000 psi
Length3-1/2"
Inch MetricInch
Length Under Head3-1/2"
FinishHot Dip Galvanized
Coarse Fine ThreadsCoarse
Major Diameter0.312"
Tensile Stress Area0.0524 sq in
Head TypeRound Head, Square Neck
GradeA307 Grade A
MaterialLow carbon steel (ASTM A307 Grade A)
Thread Class2A
Min Tensile Load3,150 lbf
Square Width Max0.312" nom (square neck)
Nominal Size5/16"

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