The Zero-Torque Category
Zero-Torque Putters,
Built From Geometry
The twist a putter makes at impact is what pushes putts off line. Ashdon's answer is what the industry now calls zero-torque design — a head that reduces torque by 87% and stays square through the stroke.
Most putters are shaped for looks. Ashdon putters are shaped by physics. Traditional putters twist at impact, and that twist — torque — is the single biggest cause of putts that leak to the sides. Ashdon's geometry keeps the face square through the entire stroke, from takeaway to follow-through, reducing torque by 87% versus conventional putters.
The mechanism is shape, not a counterweight bolted on. Triangles and circles are the most structurally efficient shapes in engineering — used in bridges, aircraft, and skyscrapers because they distribute force evenly and resist deformation. The triangle in particular cannot be distorted without changing the length of its sides, so when Ashdon uses triangular geometry to connect the shaft to the head, the connection physically resists twisting. That eliminates the lever-arm effect that causes face rotation in a conventional hosel.
Every head is CNC-milled from solid 303 stainless steel and 6061 billet aluminum, holding tolerances tighter than ±0.001″ — no cast parts, no shortcuts. The result is a putter that keeps the face locked on your intended line, stroke after stroke, and rolls the ball straighter even on mishits. Every model is designed to conform to USGA and R&A rules, and the Roundabout Series geometric head design is patented.
The Collection
Every Ashdon Putter Is Built This Way
Bermuda Triangle Caribbean Blade
$299.95
Roundabout Ballistic Missile G-360 M6 Mallet
$349.95
Bermuda Triangle Ballistic Missile G-360 M5 Mallet
$349.95
Roundabout Mallet
$299.95
Roundabout Guided Missile M3 Mallet
$299.95
Bermuda Triangle Grand Bahama Mallet
$299.95
Bermuda Triangle Blade
$299.95
Roundabout Blade
$298.98
Bermuda Triangle Long Island Mallet
$299.95
Roundabout Guided Missile M4 Mallet
$299.95
Zero-Torque, Answered
What is a zero-torque putter?+
Traditional putters twist at impact — that twisting force is torque, and it sends the face off your intended line. A zero-torque putter is engineered to resist it. Ashdon reduces torque by 87% versus conventional putters through the geometry of the head itself, keeping the face square from takeaway to follow-through.
How does Ashdon reduce torque by 87%?+
Through shape, not added weight. The triangle is the only geometric shape that cannot be distorted without changing the length of its sides. Ashdon connects the shaft to the head using triangular geometry, creating a connection that physically resists twisting — eliminating the lever-arm effect that causes face rotation in conventional hosel designs.
Will a zero-torque putter work with my stroke?+
Yes. Ashdon putters are engineered to work with any stroke — straight-back-straight-through or arc. Because the geometric head design resists torque naturally, the face stays square at impact regardless of your style. If you are unsure which model fits, the free fitting guide matches you by stroke type and height.
Are Ashdon putters USGA approved?+
Yes. All Ashdon putters are designed to conform to USGA and R&A equipment rules and are legal for tournament play at all levels. The Roundabout Series geometric head design is patented (U.S. Patent US5599241A).
Other Categories
Compare Head Styles
Mallet
More mass, further from the center. The largest, most stable head Ashdon builds.
View Mallet Putters →Blade
The classic narrow profile, rebuilt on Ashdon geometry. Feel players start here.
View Blade Putters →High MOI
Geometric mass distribution that resists twisting on off-center hits.
View High MOI Putters →Not Sure Which Model?
Find Your Fit
The free fitting guide matches you to the right Ashdon putter based on your stroke type, height, and tendencies.
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