Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a toe portion, a heel portion, a top portion, a bottom portion, a rear portion, a first interior cavity portion, and a second interior cavity portion. The second interior cavity portion may include a filler material. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a toe portion, a heel portion, a top portion, a sole portion, a front portion, a back portion, a hosel portion, a first interior cavity, and a hosel transition portion between the first interior cavity and the hosel portion. The golf club head may include a second interior cavity extending into the hosel transition portion and connected to the first interior cavity. The body portion may include a port connected to the first interior cavity. The first interior cavity may be filled with a polymer material from the port. The golf club head may include a mass portion located at or below a horizontal midplane of the body portion. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head may include a body portion having an interior cavity and a front portion. A face portion is attached to the front portion of the body portion to enclose the interior cavity. The golf club head may further include a first filler material coupled to a portion of an inner wall of the body portion, and a second filler material between the first filler material and the face portion and coupled to the face portion. The first filler material has a greater coefficient of restitution (COR) than the second filler material, and the second filler material has a greater stiffness than the first filler material. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a rear portion, and a front portion having a face portion with a face portion thickness extending between a front surface and a back surface. The body portion may be associated with a body portion volume. The golf club head may also include an interior cavity. The interior cavity may include an elastic polymer material including a radiocontrast material. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having an interior cavity, a port connected to the interior cavity, a toe portion, a heel portion, a top portion, a sole portion, a back portion, a port, and a front portion having a perimeter ledge portion defining at least a portion of an outer boundary of the front portion. The example golf club head may also include a face portion having a front surface with at least one groove and a back surface opposite the front surface and associated with a total back surface area. The back surface may include a first back surface region associated with a first back surface area and a second back surface region associated with a second back surface area. The total back surface area may equal to the sum of the first back surface area and the second back surface area.

Abstract: Embodiments of golf club heads comprising a head interior and a hosel structure, the head interior bounded by a head front portion, a head rear portion, a head heel portion, a head toe portion, a head top portion, and a head sole portion, the golf club heads further comprising various optimized characteristics, are presented herein. Other examples and related methods are also disclosed herein.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a method of manufacturing a golf club head may include providing a body portion having a face opening and an interior cavity. The method may include preparing a surface of the interior cavity to receive a structural adhesive by abrading the surface and cleaning the surface with a solvent. The method may include joining a face portion to the body portion to cover the face opening. The method may include introducing the structural adhesive to the interior cavity. The structural adhesive may form a solid plastic material coupled to a rear surface of the face portion and coupled to a surface of the interior cavity. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a front portion, a rear portion, a toe portion, a heel portion, a top portion, and a bottom portion. The golf club head may include a first weight port region on the bottom portion and a second weight port region on the bottom portion. The first weight port region may include a first set of weight portions. The second weight port region may include a second set of weight portions. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf clubs and golf club heads and methods to manufacture golf clubs and golf club heads are generally described herein. In one example, a golf club head may include a body portion includes an interior cavity and a front portion having a perimeter ledge portion and an undercut portion. The golf club head includes a face portion having a back surface with a perimeter portion attached to the perimeter ledge portion to close the interior cavity. The golf club head further includes a first mass portion, and a second mass portion. A port above the second mass portion is connected to the interior cavity and is configured to receive the first mass portion. The golf club head further includes a polymer material in the interior cavity interior cavity. Other examples and embodiments may be described and claimed.

Abstract: A golf club head includes a crown surface having an apex at a highest point and extending between the face, the rear, the heel and the toe of the golf club head. The golf club head also includes a plurality of crown turbulators projecting from the surface of the crown and located at least partially between the leading edge and the apex, wherein the height of each turbulator decreases from the leading edge toward the rear portion.

Abstract: Examples of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a body portion of a golf club head may include a front portion. A face portion may be coupled to the front portion. The face portion may include a central strike portion and a perimeter. A plurality of projections may extend from the face portion to provide a ball striking surface for impacting a golf ball. The plurality of projections may be aligned in one or more directions across the face portion and may progressively increase in size in any direction from the central strike portion to the perimeter of the face portion. Other examples and examples may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may have a body portion having a toe portion, a heel portion, a top portion, a sole portion, a front portion, a lead edge portion, a back portion, and an interior cavity. The golf club head may also have a polymer material partially or entirely filling the interior cavity. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a front portion, a rear portion, a toe portion, a heel portion, a top portion, and a bottom portion. The front portion may include a front pocket defined by an interior wall. A face portion may be positioned in the front pocket. The material of the face portion may have a substantially higher yield strength than the material of the interior wall. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a face portion having a front surface and a back surface with a plurality of back surface grooves. Each back surface groove includes a groove opening with a groove opening width and an interior groove width at a location inside the back surface groove. The interior groove width is greater than the groove opening width. The golf club head further includes a body portion and an interior cavity enclosed by coupling the face portion and the body portion, a port connected to the interior cavity; and a polymer material injected into the interior cavity from the port and filling the plurality of back surface grooves. Other examples and embodiments may be described and claimed.

Abstract: Examples of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. A hosel portion may have a hosel base portion attached to the top portion. A hosel upper portion may extend from the hosel base portion. A hosel transition portion may be between the hosel base portion and the hosel upper portion. The hosel transition portion may provide a gradual transition between an outer surface of the hosel base portion and an outer surface of the hosel upper portion. A shaft may be mounted on the hosel portion and may have an end portion configured to engage the hosel transition portion. Other examples and examples may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having an interior cavity, a toe portion, a heel portion, a top portion, a sole portion, a front portion, and a back portion. The body portion may include a face portion coupled to the front portion to close the interior cavity with the face portion having a front surface, a back surface having a center portion, and a reinforcement section extending into the interior cavity from the back surface. A polymer material in the interior cavity may be coupled to at least the center portion of the back surface and at least partially surrounded by the reinforcement section. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a front portion, a rear portion, a toe portion, a heel portion, a top portion, a bottom portion having an outer surface portion, and a skirt portion between the top portion and the bottom portion. The golf club head may include a first plurality of weight ports in the outer surface portion and a second plurality of weight ports in the outer surface portion. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion having a toe portion, a heel portion, a top portion, a sole portion, a front portion, a back portion, a hosel portion, a first interior cavity, and a hosel transition portion between the first interior cavity and the hosel portion. The golf club head may include a second interior cavity extending into the hosel transition portion and connected to the first interior cavity. The body portion may include a port connected to the first interior cavity. The first interior cavity may be filled with a polymer material from the port. The golf club head may include a mass portion located at or below a horizontal midplane of the body portion. Other examples and embodiments may be described and claimed.