CARRIAGE BOLT,ZINC PLATED,5/16″-18

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Description

5/16″-18 Zinc plated steel carriage bolts have a domed or countersunk head, and the shank is topped by a short square section under the head.

  • Square section grips into the part being fixed (usually wood)
  • Preventing the bolt from turning when the nut is tightened
  • Up to 6″ of thread
  • Bolts Over 6″ in length will have a shoulder beneath the head
    Body Diameter                             =          5/16″ (Max 0.324 – Min 0.298)
    Color                                               =           Silver
    Corner Radius on Square            =         0.031
    Corrosion Resistant                      =         Yes
    Filet Radius                                    =      0.031
    Finish                                               =       Zinc
    Head Diameter                              =         Max 0.719 – Min 0.688
    Head Height                                   =      Max 0.176 – Min 0.156
    Head Style                                      =         Dome
    Material                                            =         Steel
    Product Type                                  =      Carriage Bolt
    Square Neck Depth                       =       Max 0.187 – Min 0.156
    Square Neck Width                        =    Max 0.324 – Min 0.307
    Thread Direction                              =        Right
    Thread Pitch (Count)                       =        18
    Thread Standard                              =      UNC
    Thread Type                                      =      Coarse

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