Precision 17-4 Stainless Steel Shafts - Engineered for High-Performance Fishing Reels
▎Marine-Grade Durability · Aerospace Precision
Key Advantages
✅ Premium 17-4 PH Stainless Steel
H900 heat-treated (HRC 40-45) for maximum strength
Superior corrosion resistance vs. standard 304/316
Maintains precision under heavy loads
✅ Military-Spec Surface Protection
Dual-process treatment:
Precision heat treatment for core toughness
Electropolishing + passivation for saltwater defense
5x more resistant to pitting than untreated steel
✅ Swiss-Level Machining Accuracy
German & Japanese CNC lathes (<0.015mm runout)
Ultra-smooth Ra0.4μm finish (friction-reducing)
100% dynamic balancing tested
Technical Specifications
Parameter
Specification
Material Grade
17-4PH (ASTM A564)
Hardness
HRC 40-45 (H900)
Tensile Strength
1,300 MPa
Corrosion Resistance
3000hrs salt spray
Diameter Range
Ø3-50mm
Surface Finish
Ra0.4μm (default)
Why This Outperforms…