Carriage Bolt: 5/16-18, 1-1/4" Length Under Head, Square Neck MPN:489045PS

Carriage bolts have a square neck under the head providing greater clamping pressure making them ideal for wooden or masonry materials when extra gripping power is required while maintaining an evenly distributed torque preventing stripping or wobbling. Their grade 5 designation offers high tensile strength, corrosion resistance perfect for exterior applications and the length of 1-1/4 inches with 5/16 diameter providing adequate depth while the 18 threads per inch thread count delivers a secure fit suitable for concrete, metal or wood structures. Carriage bolts come in various lengths ensuring compatibility to diverse industries such as construction, transportation, marine or general maintenance thus catering to a broad spectrum of clientele and requirements.