Hammer Hammerhead Bowling Ball

A Strong, Controllable Symmetric for Medium Oil

About the Hammerhead

The Hammer Hammerhead revives a classic Hammer name with a strong, controllable symmetric motion. It pairs the symmetric Spheroid Core with the solid Aggression coverstock, delivering an early, even read with real hooking strength on medium oil. It is an easy-to-control benchmark that reads the lane and drives through the pins.

The Hammerhead gives you benchmark strength in a smooth, symmetric package. The Spheroid core has a strong differential for plenty of flare, while the Aggression Solid cover reads the midlane early. The result is a controllable, continuous hook without the sharp backend of an asymmetric, a dependable medium-oil piece that hooks more than its smooth roll suggests.

Understanding the Hammer Spheroid Core and Hammer Aggression Solid Reactive

Hammer built the Hammerhead for a strong, controllable symmetric read on medium oil. Specifically, the symmetric Spheroid Core posts a 2.481 RG and a strong .048 differential, numbers that produce an early roll with high flare for a symmetric ball, while the Aggression Solid cover at a 2000-grit finish reads the midlane and drives through the pins. As a result, it gives you benchmark strength with a controllable, continuous motion. The per-weight specifications are listed below.

A Strong Symmetric Core for Flare and an Early Roll

At the heart of the Hammerhead is the symmetric Spheroid Core. At 15 lb it measures a 2.481 RG and a strong .048 differential, numbers that produce an early roll with high flare for a symmetric ball. The strong differential gives it real hooking strength while the symmetric design keeps the reaction predictable and easy to repeat.

That combination of strength and control is what makes the Hammerhead a benchmark: it hooks more than its smooth roll suggests, but it reads the lane the same way every shot. There is no sharp asymmetric flip, just a strong, continuous move you can line up and trust.

A Solid Reactive Cover for an Early, Controllable Read

The Hammerhead wraps that core in Hammer’s Aggression Solid Reactive coverstock at a 2000-grit finish. The solid cover reads the midlane early, so the ball gets into a roll on medium oil and makes a controllable, continuous move rather than skidding too far down the lane.

That early, even read is what makes the Hammerhead such a dependable benchmark. Leave it at the 2000-grit box finish for medium oil, take the surface lower for more traction when the volume climbs, or polish it up for a cleaner, longer look when the lanes dry. Have surface changes done at your pro shop for an even, consistent finish.

Hammerhead Specs

RG and differential vary by weight. Specifications provided by the manufacturer.

BowlersMart Tips: Where the Hammerhead Fits in Your Hammer Arsenal

Shop With Confidence at BowlersMart

The Hammer Hammerhead Bowling Ball ships free with no minimum purchase and is backed by our 60-day return policy. As an authorized Hammer dealer, every ball is genuine and covered by the full one-year Hammer warranty. Place your order before 2 PM EST and it ships the same day.

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