SKU: FRG900209
UPC: 822320037524
MPN: 900209
The PTFE Die Set .551 - .669 from Fragola is a precision hose crimping tool die set engineered for professional-grade hydraulic and pneumatic line assembly. This die set handles closed diameters ranging from 0.551 to 0.669 inches, covering the most common industrial and automotive hose crimping applications. The PTFE (polytetrafluoroethylene) die construction delivers superior non-stick properties, reducing material buildup and extending tool life across repeated crimping cycles.
Built for use with Fragola crimper systems, this die set produces consistent, repeatable crimps essential for high-pressure hydraulic systems, brake lines, fuel systems, and air suspension work. The PTFE material resists adhesion from hose material and crimping compound residue, reducing maintenance downtime and ensuring dimensional accuracy across production runs. The specified size range (.551–.669 closed diameter) accommodates standard metric and SAE hose fittings commonly found in performance automotive, industrial machinery, and fluid power applications.
This die set is essential for technicians and fabricators who perform custom hydraulic line fabrication, brake system restoration, fuel system upgrades, or routine maintenance of fluid power equipment. Whether building high-pressure clutch lines for racing applications, restoring classic automotive hydraulics, or servicing industrial machinery, having the correct die set eliminates guesswork and ensures leak-free, code-compliant connections. The kit's compact dimensions (5.05 x 3.45 x 5.95 inches) and 3.79 lb weight make it portable enough for field work while remaining robust enough for shop use.
Fragola die sets are known for precision manufacturing and compatibility with standard crimping presses. This particular size range represents one of the most frequently specified die sets in automotive and industrial crimping work, making it a foundational tool for any fabrication or maintenance operation that relies on fluid power systems. Proper die selection is critical—undersized or oversized dies result in poor crimps, leaks, and safety hazards. This set's focus on the mid-range diameter spectrum ensures compatibility with the vast majority of standard hose assemblies.
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