5/16-18 x 2-1/2 Grade 5 Carriage Bolts

Brand: Midwest

SKU: 31846

Product Attributes:
  • Finish: Zinc
  • Material: Steel
  • Brand: Midwest
  • Scale: Standard
  • Length: 2-1/2"
  • Diameter: 5/16"
  • Drive Size: 1/2" Wrench/Socket
  • Drive Type: Hex
  • Thread Type: Coarse
  • Package Type: Refill Box

Product Description:

These 5/16-18 x 2-1/2 Grade 5 Carriage Bolts are crafted from durable Grade 5 steel, delivering reliable strength and long-lasting performance for demanding applications. Featuring a large, domed head, they provide a clean finished appearance while maximizing holding power in wood. The head stamping allows for easy class and grade identification even after installation, ensuring confidence in the fastener’s quality.

Designed with precise threading, these bolts offer smooth engagement and superior holding power to keep components securely connected under stress. The zinc finish provides moderate corrosion resistance, making them suitable for a variety of indoor and outdoor woodworking projects. For chemically treated wood, hot-dipped galvanized fasteners are recommended instead.

Ideal for construction, woodworking, and general fastening needs, these Grade 5 carriage bolts are a dependable choice for professionals and DIY enthusiasts alike who require strength and reliability in their fasteners.

Features:

  • Manufactured from Grade 5 steel for reliable strength and long‑lasting performance in demanding applications.
  • Large, domed head provides a clean finished appearance and maximum holding power in wood
  • Head stamping provides easy class/grade identification even after installation
  • Precise threading provides smooth engagement and maximum holding power, ensuring components remain firmly connected under stress
  • Zinc finish provides moderate corrosion resistance and should not be used in chemically treated wood. Use hot-dipped galvanized fasteners in treated wood applications