Square Head and Square Nut machine bolts are roll threaded. Bolts 1/2-inch and larger in diameter and 7-inch and longer in length. Also available are cone points which permit driving without damage to the threads. Other lengths and 1-inch diameter machine bolts available on special order in production quantities.
Unit of Measure


Diameter (in.)

N/A 3/8

Min. Tensile Strength (lb.)

N/A 4650

Bolt Length (in.)

N/A 5

Thread Length (in.)

N/A 3

Approx. Shipping Weight (lb.) per 100 pcs.

N/A 18.2


N/A ANSI Standard
Bell Standard