Square nut is a four-sided fastener with a flat bottom and threaded internally. They allow more surface in contact with the part being fastened and provide greater resistance to loosening. Ideal for tight spaces and blind spots.

• Material: Available in steel or stainless steel
• Size range: From 4-40 to 1/4″ to 1-1/2″ diameter to custom
• Finishes: Plain or plated
• Thread: Coarse and fine, American Standard, Metric, Custom and Specialty