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Materials

  • 304 Stainless Steel
    • Standard, general-purpose material
    • Ideal for original equipment applications, repair, and overhaul
    • Stocked in most sizes
  • Inconel X750
    • Used in areas exposed to high temperatures
    • Typical uses: gas turbine engines, nuclear applications, well drilling
    • Non-magnetic
  • Phosphor Bronze
    • Ideal for salt water applications
    • Non-magnetic
    • Excellent electrical conductivity
  • Nitronic 60®
    • Superb gall resistance
    • Compatible with stainless steel screws
    • Ideal for use in vacuum environments
    • Requires no additional coatings or plating
    • Particle-free
    • Non-magnetic
  • Titanium
    • Superior strength-to-weight ratio
    • Corrosion-resistant
    • Excellent low-temperature stability

Coatings & Platings

  • Dry Film Lubricant
    • Provides additional lubrication in high-friction applications
    • High temperature resistance (400°F)
    • Highly recommended with Heli-Coil screw-locking inserts
    • Mildly corrosive
    • Material Spec: AS5272
    • Color: Gray
  • Primer Free® II
    • RoHS-compliant; contains no chromates
    • Eliminates need for zinc primers and epoxies
    • Provides uniform top-to-bottom coverage
    • Prevents galvanic corrosion between insert and parent material
    • Eliminates locking torque issues associated with primers
    • Improves installation productivity
    • Provides additional lubrication facilitating insert installation
    • Material Spec: None
    • Color: Matte Black
  • Cadmium
    • For military specification purposes only
    • Not recommended for new design due to its toxic nature
    • Cadmium Plating Material Spec: QQ-P-416 Type II
    • Color: Iridescent Yellow (free-running)
    • Color: Olive Drab (screw-locking)
  • Silver Plating
    • Recommended to reduce galling of threads at high temperatures
    • For use up to 1200°F
    • Highly recommended with inserts made from Inconel X750
    • Material Spec: QQ-S-365
    • Color: Silver White
  • Color Coding
    • Facilitates verification of insert installation
    • Allows for quick identification of similar-size inserts
    • Available in Blue, Green, Red, and Black