[400 BULK] Steel Black Oxide & Oil Carriage Bolts 1/4-20X4 1/2

Steel Black Oxide & Oil Carriage Bolts 1/4-20X4 1/2 deliver rugged performance for wood and metal projects. Crafted from high-strength steel and finished with a black oxide and protective oil coating, these carriage bolts combine durability with corrosion resistance for everyday use.

Key features:

• Size: 1/4"-20 thread, length 4-1/2" (overall)
• Material: Steel
• Finish: Black oxide with oil coating for additional corrosion resistance and a sleek, dark finish
• Head type: Carriage bolt with domed head and square undercut for fast, secure woodworking joints
• Applications: Ideal for wood-to-wood and wood-to-metal assemblies in furniture, decking, fencing, cabinets, and heavy-duty fastenings

Why choose these bolts? Their robust construction supports high load in assemblies where the bolt is partially hidden and the smooth domed head provides a clean aesthetic. The square neck grips into pre-drilled wood, preventing turning during installation, while the 1/4-inch diameter and 20 threads per inch deliver reliable clamping force.

Shop with confidence—these carriage bolts are designed for consistent performance and ease of use in a variety of projects. Add them to your toolkit for dependable, long-lasting joints that stand up to daily wear.