5/16″-18 316 Stainless Steel Carriage Bolt

  • Square section grips into the part being fixed (typically wood)
  • Carriage bolts are threaded all the way down to the square section beneath the head
  • Prevents the bolt from turning when the nut is tightened
  • 316 Stainless steel is corrosion and rust resistant
  • 316 Stainless steel is considered the fastener industry standard
  • 5/16″-18 Carriage bolts have a domed or countersunk head, and the shank is topped by a short square section under the head.
SKU: 654613612 Category:


All Carriage Bolts over 6″ in length are Partially Threaded

Diameter x Thread Pitch x Length from Under Head
FT: Fully Threaded
PT: Partially Threaded

Additional information

Weight 23 lbs
Dimensions 12 × 24 × 35 in

1 review for 5/16″-18 316 Stainless Steel Carriage Bolt

  1. 4 out of 5

    Pete Debest

    Great quality and fast shipping! Recommend HDF for all your fastener needs!

Add a review