• Our Commercial Full Mortise Spring Hinge 3.5×3.5 inches CPS3535 Series function as full mortise single acting spring hinges. Recommended for use where automatic self-closing is required. The 3 knuckled hinges is adjustable and the spring tension can be increased or decreased by using included adjusting tool. For maximum versatility use 3 hinges on required opening. Full spring tension may not be required on all hinges but allows for greater adjustment. Radius or square corner available and are sold and packaged as a set of 2 or 3.
  • The Commercial Full Mortise Spring Hinge 4.5x4 inches are recommended for use where automatic self-closing of a door is required. This 3 knuckled hinge is adjustable and the spring tension can be increased or decreased by using included adjusting tool. Full spring tension may not be required on all hinges but allows for greater adjustment. Radius or square corner available and are sold and packaged as either a set of two or three.
  • The Commercial Full Mortise Spring Hinge 4.5x4.5 inches are recommended for use where automatic self-closing of a door is required. This 3 knuckled hinge is adjustable and the spring tension can be increased or decreased by using included adjusting tool. Radius or square corner available and are sold and packaged as a set of three.
  • Commercial Full Mortise Spring Hinge 4×4 inches are recommended for use where automatic self-closing is required. This 3 knuckled hinge is adjustable and the spring tension can be increased or decreased by using included adjusting tool. Full spring tension may not be required on all hinges but allows for greater adjustment. Radius or square corner available and are sold and packaged as either a set of two or three.