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Fredsert Threaded Inserts

Standard Fredserts

APPURTENANCE – CLASSIC STYLE FREDSERT

  • Eliminates the need for weld bosses
  • Designed for strength & durability
  • Precision ID/OD thread concentricity
  • Used where a stand-off or clearance is required
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

APPURTENANCE – PRO STYLE FREDSERT

  • Used where a stand-off or clearance is required
  • No driver needed-socket head built into Appurtenance
  • Eliminates need for weld bosses
  • Designed for strength & flexibility
  • Precision ID/OD thread concentricity
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

FEMALE – METRIC STYLE FREDSERT

  • General purpose insert
  • Designed for strength & durability
  • Precision ID/OD thread concentricity
  • Can be mounted ‘Proud’ or ‘Flush’ relative to plate surface
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

FEMALE – INCH STYLE FREDSERT

  • General purpose insert
  • Designed for strength & durability
  • Precision ID/OD thread concentricity
  • Can be mounted ‘Proud’ or ‘Flush’ relative to plate surface
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

HEX STYLE FREDSERT

  • Bolt installed from opposite side of plate
  • Provides flexibility for difficult areas
  • Designed for strength & durability
  • No driver needed-socket hex built into Fredsert
  • Precision ID/OD thread concentricity
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

MALE STYLE FREDSERT

  • Used where an externally-threaded Boss is needed
  • Designed for strength & durability
  • Precision ID/OD thread concentricity
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

FITTING STYLE FREDSERT

  • Used where a hydraulic fitting passes through a wall
  • Fredsert creates a seal on external threads without Loctite
  • Designed for strength & durability
  • Precision ID/OD thread concentricity
  • Titanium option provides 40% weight savings over Stainless
Fredsert Data

EXTREME CORROSION STYLE FREDSERT

  • Electro-ceramic coating eliminates potential for galvanic corrosion
  • Used in areas where standing water can become trapped
Fredsert Data

NON-STANDARD STYLE FREDSERT

  • Thin wall designs
  • Non-standard ID/OD thread combinations
  • Medium/Light-duty designs
Fredsert Data

Testing Details

  • Testing conducted at General Dynamics Land Systems Test Laboratory, Sterling Heights, MI (October, 2011)
  • All inserts installed into 0.5 thick plate of 6061 Aluminum, per manufacturer’s specifications
  • Comparative test consisted of (3) Torque-Out tests and (3) Pull-Out (Tensile) tests for each insert style
  • Values shown on each chart show average recorded failure point across (3) samples of each insert style
  • All tests were performed using Grade 8 bolts
  • All inserts tested were M12x1.75 internal thread size
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Fredsert Material Options

Self-Locating Weld Boss

Weld Boss Style - Metric
Weld Boss Style - Inch
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