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 located at the front portion and may include a central projection located at or proximate a geometric center of the face portion and a plurality of outer projections disposed at different distances from the central projection. For each and every combination of any two outer projections of the plurality of outer projections, a lesser volume is associated with whichever one of the two outer projections is located closest to the central projection and a greater volume is associated with whichever one of the two outer projections is located farthest from the central projection. Other 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 includes a body portion, a plurality of weight portions, a polymer material in the hollow body portion, a face insert portion comprising a first portion located at a center portion of the face insert portion and having a first thickness, a second portion surrounding the first portion and having a second thickness, and a third portion surrounding the second portion and having a third thickness. The first thickness is greater than the third thickness, the second thickness decreases from the first thickness to the third thickness, and the first thickness, the second thickness and the third thickness are greater than a thickness of a front portion surrounding the face insert 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 hollow body portion having a toe portion, a heel portion, a top portion, a bottom portion, a rear portion, and a front portion having a face portion. A first interior cavity is separated from a second interior cavity by a cavity wall portion. The cavity wall portion includes a forward wall section, a rearward wall section positioned further from the face portion that the forward wall section, and an intermediate portion positioned between the forward wall section and the rearward wall section. At least one of the forward wall section or the rearward wall section of the cavity wall portion is non-parallel to the face portion. Other examples and embodiments may be described and claimed.

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, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion, a face portion coupled to the body portion, a filler material in an interior cavity of the body portion, a mass portion, a first port connected to the interior cavity, a second port below a horizontal midplane of the body portion and connected to the interior cavity, and a cover portion coupled to the body portion to cover the first port. The second port is configured to receive the mass portion. A distance between the first port and the toe portion edge is less than a distance between the second port and the toe portion edge. The second port is substantially larger than the first port. 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, and an interior cavity. The interior cavity may include a central portion, a first internal channel extending from the toe portion to the central portion, and a second internal channel extending from the heel portion to the central portion. A face portion may be attached to the front portion to enclose the interior cavity. A first filler material may be in the central portion of the interior cavity. A second filler material may be in the first internal channel and the second internal channel. 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 a face portion including a front surface, a back surface, a plurality of front grooves on the front surface, a face perimeter, and a back groove portion on the back surface. The back groove portion may include a back groove portion length extending on the back surface of the face portion proximate to the face perimeter. The back groove portion length may be greater than or equal to 50% of the face perimeter. 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 includes a body portion defining an interior cavity, a port on the body portion connected to the interior cavity, and a face portion coupled to a front portion of the body portion to enclose the interior cavity. The face portion includes a recess portion and a face plate portion. The face plate portion includes an outer portion surrounding an inner portion. The inner portion of the face plate portion configured to enclose the recess portion. The golf club head also includes a first filler material in the interior cavity, and a second filler material in the recess portion. The first filler material and the second filler material have different coefficients of restitution. 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 and a front portion. The golf club head may include a face portion on the front portion and having a front surface and a back surface with a center portion and a perimeter portion at least partially surrounding the center portion. The golf club head may include a face bracket portion having at least one bracket arm with end portions attached to the perimeter portion. The golf club head may further include a face insert portion located between and coupled to the back surface of the face portion and to the face bracket 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 top portion, a bottom portion, a toe portion, a heel portion, a front portion, a rear portion, and a body cavity. A solid wall structure may be located inside the body portion and spaced apart from an interior surface of the front portion to form a channel therebetween. The channel may include a lower channel region having a first maximum width, a middle channel region having a second maximum width, and an upper channel region having a third maximum width. The second maximum width may be greater than the first maximum width and greater than the third maximum width. 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 includes a body portion being hollow to define an interior cavity, a filler material in the interior cavity, a face portion, and a back portion having a back wall portion. The back wall portion includes a first external ledge portion and a second external ledge portion, and a perimeter groove below the external ledge portion. The golf club head also includes a removable mass portion coupled to the back wall portion. The face portion includes a back surface with a perimeter portion, a face recess portion and a back groove portion in the face recess portion. The filler material is coupled to the face recess portion and the back groove 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 face portion for striking a golf ball and an enclosed interior cavity. A filler material may be inside the interior cavity and may reinforce the face portion. The filler material may include a low density polymer material to enable discretionary mass placement to other areas of the golf club head to improve certain mass properties of the golf club head. Other examples and embodiments may be described and claimed.

Abstract: Examples of hosels and methods to manufacture hosels are generally described herein. In one example, a hosel may include a neck portion configured to receive a golf shaft. The neck portion may have a transition portion that tapers in a downward direction. An insert portion may extend downward from the transition portion and may be configured to be received inside a cavity of a putter-type golf club head. The insert portion may alternate between a first perimeter size and a second perimeter size before tapering toward a terminal end. Other examples may be described and claimed.

Abstract: Examples of golf club shafts and methods to manufacture golf club shafts are generally described herein. In one example, a golf club shaft includes a first tubular portion formed from a first material and coupled to a second tubular portion having a plurality of layers formed from a second material and a third material. A reinforcing member is disposed in at least one of the plurality of layers and is formed from a fourth material. The reinforcing member extends a length that is less than or equal to a length of the second tubular portion. The first, second, third, and fourth materials are different from one another. 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, an iron-type golf club head may include a hollow body portion having a toe portion, a heel portion, a top portion, a sole portion, a front portion, and a back portion. The back portion may have an upper back wall, a lower back wall, and a ledge portion connecting the upper back wall to the lower back wall. The golf club head may include an interior cavity in the hollow body portion and an elastic polymer material in the interior cavity. The interior cavity may have a maximum cavity width proximate to the ledge portion. The hollow body portion may include a first port located in the upper back wall and a second port located in the lower back wall. 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 includes a body portion, a face portion coupled to the body portion and including and outer surface with a plurality of grooves and a plurality of projections, a filler material in an interior cavity of the body portion, a first mass portion coupled to the body portion, a second mass portion coupled to the body portion, and a port on the body portion configured to receive the first mass portion. At least a portion of the first mass portion is below a horizontal midplane of the hollow body portion, and the first mass portion and the second mass portion have at least one different physical property. 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 includes a hollow body portion defining an interior cavity and a front portion with a front opening, a face portion coupled to the front portion to enclose the interior cavity, a first filler material at least partially filling the interior cavity, a second filler material at least partially filling the interior cavity, and a plate portion inside the interior cavity. The plate portion at least partially separates the first filler material from the second filler material. The first filler material and the second filler material have at least one different physical property. 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 method of manufacturing a golf club head includes providing a body portion having a front portion with a front opening. A front pocket portion is welded to the front portion to close the front opening and form a first cavity. A polymer insert is positioned within the front pocket, the polymer insert occupying less than a total available space within the front pocket portion. A face portion is welded to the front pocket portion to close the front pocket portion and form a second cavity having a volume less than a volume of the first cavity. Other examples and embodiments may be described and claimed.