Carriage Bolts, Washers & Nuts For Bunk Boards
Regular price
$7.99
Sale price
$9.99
On Sale
Carriage Bolts, Washers & Nuts
3/8" Diameter X 3" Long for Securing Bunk Boards to Trailers
Available in Zinc Galvanized or Stainless Steel Finish
Use Carriage Bolts for securing new boat trailer bunk boards to your trailer that are countersunk from above and secured tightly with a washer/nut underneath.
All Carriage Bolts include INCLUDE a 3/8" flat washer that is 1.00" in diameter and a 3/8"-16 thread nut.
Shipping Cost is $8.99 if Hardware is purchased separately. Ships for FREE when you purchase over $39.99 using Promo Code: "BunkHardware"
| Category | Carriage bolts & Plow bolts |
| Head style | Carriage |
| Neck style | Square |
| Material | Steel |
| Plating | Zinc or Stainless Steel |
| Thread density | Coarse |
| Diameter | 3/8" |
| Thread count | 16 |
| Length | 3" |
| Dimensional standard | ASME B18.5 |
| Length tolerance | +0.04" / -0.06" |
| Thread direction | Right hand |
| Head diameter | 0.782" - 0.844" |
| Head height | 0.188" - 0.208" |
| Square width | 0.368" - 0.388" |
| Square depth | 0.188" - 0.219" |
| Fully threaded | Yes |
