[25 PKG] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 3/8-16 x 8 6 THD UNDER-SIZED

Mutual ScrewSKU: 37128CAGBB

Price:
Sale price$39.45per 25( $1.58 each)
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 8-6-THD-UNDER-SIZED
Material A307 Grade A Steel
Finish Hot Dipped Galvanized
Head style Carriage
Threads per inch 16
Weight 5.37 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Engineered for robust performance in outdoor and structural applications, the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 3/8-16 x 8 6 THD UNDER-SIZED deliver exceptional strength, corrosion resistance, and reliable fastening power. This hardware is ideal for wood-to-wood connections, decks, fences, and structural assemblies where long-lasting durability is required.

Key Features

  • Material: A307 Grade A steel for dependable, long-term strength
  • Finish: Hot-dipped galvanized coating for enhanced corrosion resistance in harsh environments
  • Thread & Size: Coarse 3/8-16 UNC thread for quick, secure mating
  • Length: 8 inches to handle deep wood connections
  • Head Type: Carriage bolts with a square neck for secure seating in wood
  • Special Note: 6 THD UNDER-SIZED

Why It’s Ideal

Hot-dipped galvanization protects the steel from moisture, humidity, and exposure to the elements, making these bolts suitable for outdoor projects and damp environments. The coarse thread provides strong bite in softwoods and composite materials, while the carriage bolt design ensures a flush, smooth finish once installed.

Applications

  • Deck construction and repairs
  • Fence installations
  • Timber framing and structural connections
  • Outdoor furniture and garden arbor projects
  • General wood-to-wood fastening where durable, corrosion-resistant fasteners are required

Specifications

  • Standard: A307 Grade A steel
  • Finish: Hot-dipped galvanized
  • Thread: Coarse 3/8-16 UNC
  • Length: 8 in
  • Head: Carriage bolt with square neck
  • Diameter: 3/8 in
  • THD: 6 THD (UNDER-SIZED)

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

You may also like

Recently viewed