Abstract: A blind fastener includes a bolt and a nut. The bolt includes a shaft, a bolt head, and a lug. The bolt head being disposed between the shaft and the lug and extending radially outward from the shaft. An end of the shaft opposite the bolt head defining external threads. The lug includes a first tool engagement portion, a first frangible portion, and a rim. The rim extends between the first tool engagement portion and the first frangible portion and extends radially inward of the first tool engagement portion. The nut includes a sleeve, a nut head, and a handling member. The sleeve defines a central bore configured to receive the shaft and defining internal threads configured to mate with the external threads. The nut head defining a recess configured to receive the bolt head. The handling member includes a second frangible portion and a second tool engagement portion.

Abstract: A tool for installing a blind fastener including a bolt and a nut includes a collet, a socket assembly, a drive body and a mode clutch. The collet is configured to selectively engage a tool engagement portion of the nut. The socket assembly includes a socket housing and a plurality of rollers. The socket housing defines a bore disposed about the axis. A surface of each roller is configured to engage a cylindrical tool engagement portion of the bolt within a bore to rotate the bolt about an axis. The drive body is coupled to the socket housing and configured to rotate the socket housing about the axis. The mode clutch is operable in an engaged mode in which the socket housing is coupled to the collet for common rotation about the axis and a disengaged mode in which the socket housing is rotatable relative to the collet.

Abstract: A tool for installing a blind fastener including a bolt and a nut includes a base, collet, socket assembly, drive body, and mode clutch. The collet is coupled to the base and disposed about an axis. The collet can selectively engage a portion of the nut. The socket assembly includes a socket housing and a plurality of rollers. The socket housing is rotatable relative to the collet and defines a bore disposed about the axis. The rollers are spaced circumferentially about the axis. A surface of each roller can engage a cylindrical portion of the bolt within the bore to rotate the bolt about the axis. The drive body is coupled to the socket housing and configured to rotate the socket housing about the axis relative to the base. The mode clutch is configured to selectively couple the socket housing with the collet for common rotation about the axis.

Abstract: Golf club components with complex structures such as lattice structures, beam structures, and complex surface-based structures, are described herein. A binder jet machine is used create complex structures within these golf club components to optimize weighting, sound, and performance of golf club heads. These components may be manufactured using a method that includes the steps of designing a golf club head component in CAD using optimization software, printing the component from a powdered material, and then removing excess powder from the component via port holes that extend into an external surface of the component and communicate with interior voids within the component.

Abstract: A blind fastener for connecting workpieces includes a bolt and nut. The bolt includes a shaft, bolt head, and lug. The bolt head is between the shaft and lug and extends radially outward from the shaft. The shaft defines external threads opposite the bolt head. The lug includes a first tool engagement portion and a first frangible portion that frangibly couples the lug to the bolt head. The nut includes a sleeve, nut head, and handling member. The shaft is threadably received in the sleeve. The nut head extends radially outward from the sleeve and defines a recess that receives the bolt head. The handling member surrounds at least a portion of the lug. The handling member includes a second frangible portion and a second tool engagement portion. The second frangible portion frangibly couples the second tool engagement portion to the nut head.

Abstract: A tool for installing a blind fastener including a bolt and a nut includes a base, collet, socket assembly, drive body, and mode clutch. The collet is coupled to the base and disposed about an axis. The collet can selectively engage a portion of the nut. The socket assembly includes a socket housing and a plurality of rollers. The socket housing is rotatable relative to the collet and defines a bore disposed about the axis. The rollers are spaced circumferentially about the axis. A surface of each roller can engage a cylindrical portion of the bolt within the bore to rotate the bolt about the axis. The drive body is coupled to the socket housing and configured to rotate the socket housing about the axis relative to the base. The mode clutch is configured to selectively couple the socket housing with the collet for common rotation about the axis.

Abstract: A blind fastener for connecting a plurality of panels includes a core bolt and a core nut. The core nut surrounds the core bolt. The core nut includes a main body, a nut head, and a tool engagement section. The nut head has a larger outside diameter than the main body. The core nut defines a frangible portion between the nut head and the tool engagement section. The frangible portion is configured to allow the tool engagement section to break off from the nut head when a torque applied to the tool engagement section is greater than a threshold torque after the blind fastener is installed in the plurality of panels.