The JPX 925 Hot Metal redefines the performance of an already industry-leading franchise. Combining the power and speed of Nickel Chromoly with the newly engineered CORTECH Design featuring a Contour Ellipse face, consistency of distance across the entire impact zone has never been as long and predictable. The addition of tungsten weighting low in the head adds a height and landing angle element that makes hitting precise shots into greens easier than ever. Designed for mid-to-high handicap golfers who demand distance without sacrificing forgiveness, the JPX 925 Hot Metal is the complete distance iron.
The CORTECH Design is a completely reengineered Multi-Thickness Profile that sits at the heart of the JPX 925 Hot Metal's performance. The Contour Ellipse face geometry is precisely sculpted to concentrate mass where it matters most, enhancing center ball speed while ensuring remarkably consistent distance even on off-center strikes. The result is an impact zone that has never been as long and predictable, giving mid and high handicap players the same kind of distance consistency previously reserved for tour-level players. This face design represents a fundamental step forward in Mizuno's hot metal iron engineering.
The Seamless Cup Face features thinned areas revolving 360 degrees around the entire face perimeter, dramatically increasing the rebound area for maximum ball speed across the whole face — not just the center. By removing material at the perimeter in a continuous, seamless manner, the face deflects more efficiently at impact regardless of where the ball makes contact. This engineering means that even mishits retain impressive ball speed, producing more consistent distances and reducing distance gaps across the face. The seamless construction also contributes to a cleaner, more consistent sound at impact.
Tungsten weighting is strategically positioned low in the 4–7 irons, creating a lower centre of gravity (CG) that promotes a high launch angle and a steeper landing angle. A higher, more controlled ball flight allows approach shots to land more softly on greens, stopping closer to the target. The multi-material construction — combining Nickel Chromoly with dense tungsten — lets Mizuno engineers optimize both the face performance and the CG location independently, delivering a club that is simultaneously faster and more launchable. This technology is what gives the JPX 925 Hot Metal its characteristic combination of distance and precision.
Variable Sole Thickness is an engineering refinement that increases the overall face flex area, expanding the effective CORTECH rebound zone to a larger portion of the face. By carefully varying the thickness of the sole material, Mizuno is able to allow the face to flex more freely at impact, translating more energy into ball speed. This technology works in concert with the Contour Ellipse face and the Seamless Cup Face construction, creating a trio of face-speed technologies that together produce the most distance-efficient JPX Hot Metal iron to date. The result is noticeable distance gains that are consistent from iron to iron across the set.
Harmonic Impact Technology is Mizuno's proprietary system of fine-tuning head geometry to deliver ideal impact feel and feedback at the moment of contact. The internal geometry of the JPX 925 Hot Metal head is specifically engineered to produce a satisfying, confidence-inspiring sound and a pure feeling through the hands — hallmarks of Mizuno iron design. This technology ensures that despite the hot metal construction optimized for speed, the feel remains distinctly Mizuno: solid, informative, and rewarding. Golfers can trust that the sensation from a well-struck iron will confirm their shot quality immediately, aiding in course management and shot-making development.
The JPX 925 Hot Metal head is constructed from Nickel Chromoly 4335, a high-performance steel alloy prized for its exceptional strength-to-weight ratio and malleability. The combination of high strength means the face can be machined thinner than conventional carbon steel, enabling faster ball speeds while maintaining structural integrity over thousands of impacts. The malleability of the alloy allows the hosel to be bent for custom lie and loft adjustments during a professional fitting — an important benefit for golfers seeking a truly personalized setup. Head length measures 85.4 mm, placing it in the forgiving, game-improvement category of iron design.
| 4 | 5 | 6 | 7 | 8 | 9 | PW | GW | SW | |
|---|---|---|---|---|---|---|---|---|---|
| Loft | 19° | 22° | 25° | 28° | 32.5° | 37° | 42° | 48° | 54° |
| Lie Angle | 60.5° | 61.0° | 61.5° | 62.0° | 62.5° | 63.0° | 63.5° | 64.0° | 64.0° |
| Offset | 0.224" | 0.213" | 0.201" | 0.189" | 0.173" | 0.154" | 0.130" | 0.106" | 0.083" |
| Club Length | 38.75" | 38.25" | 37.75" | 37.25" | 36.75" | 36.25" | 35.75" | 35.5" | 35.25" |
| Hand | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH | RH/LH |
RH = Right Hand | LH = Left Hand. This set is supplied as 5–PW (6 irons). Other configurations available on request.
| Iron Type | Forgiving Speed Cavity – game-improvement cavity back design |
| Best Suited For | Mid to high handicap golfers (average to higher HCP) |
| Head Length | 85.4 mm |
| Head Material | Nickel Chromoly 4335 |
| Set Composition | 5–PW (6 irons) |
| Handed | Right Hand (RH) |
The following steel shaft options are available for the JPX 925 Hot Metal irons in this listing:
Additional shaft options (including True Temper Dynamic Gold 95 in R300 and S300 flex) are available on request.
No additional properties are available for this product.
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