4in Flat Head Bolt

4-inch Flat Head/Martini Bolts, 3/8-inch bolt, with a 7/32 hex head. Manufactured with a unique cold-forging technique, these bolts offer greater strength, higher fatigue resistance, and durable threads. High-quality bolts are essential for maximizing the lifespan of your t-nuts. These alloy steel bolts are suitable for indoor applications. Note that these are not fully threaded bolts.