1/2"-13 Carriage Bolt Zinc Plated 307A Grade A Steel

1/2"-13 Zinc Plated Steel Carriage Bolt

Diameter - Thread Pitch: 1/2-13


1/2"-13 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
REACH and RoHS Compliant


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Product Specifications
Body Diameter
1/2" (Max 0.515 - Min 0.483)
Color
Silver
Corner Radius on Square
0.047
Corrosion Resistant
Yes
Filet Radius
0.031
Finish
Zinc
Head Diameter
Max 1.094 - Min 1.032
Head Height
Max 0.270 - Min 0.250
Head Style
Dome
Material
Steel
Product Type
Carriage Bolt
Square Neck Depth
Max 0.281 - Min 0.250
Square Neck Width
Max 0.515 - Min 0.492
Thread Direction
Right
Thread Pitch (Count)
13
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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