Indexable Spade Drill: 0.6299 to 0.6692" Dia, 2-1/64" Max Depth, Helical Flute MPN:60316H-075F

The carriage bolt is a robust fastener that is widely used in various industries such as construction, automotive, and machinery. One specific type of carriage bolt is the 1/4-20, 2-1/2 length under head, square neck variety. Made of carbon steel, this carriage bolt features a threaded shank, a hexagonal head with a square neck for precise alignment, and an unthreaded shank below the head. The 1/4-20 size ensures compatibility with standard bolts and hardware, while the 2-1/2 length under head provides adequate penetration for secure attachment. Carriage bolts like this one are commonly used by professionals in various applications that require high strength and accuracy in fastening. Overall, this carriage bolt is an essential component for individuals and businesses in the fastener and hardware industry.