Cadmium Plating
Provides high corrosion resistance and lubrication to prevent galling.
Suitable up to 250°C
Colour: Iridescent yellow
Specifications
DEF STAN 03-19
QQ-P-416
Previously DTD904
Surface treatment
A wide range of surface treatments are available to provide corrosion resistance and lubricating properties. They provide a dissimilar metal barrier in the fight against corrosion and help to offset the effects of galvanic corrosion. In providing lubrication they offest the galling effect of certain alloyed metals.
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Silver Plating
To reduce galling of threads at high temperatures.
Colour: Silver whiteSpecifications
DEF STAN 03-9
BS2816:1989
Previously DTD939 -
Zinc Plating
Provides corrosion resistance as an alternative to Cadmium.
Colour: Iridescent yellowSpecifications
DEF STAN 03-20
Previously DTD903 -
Cadmium Plate & Olive Drab
As specified on US military specs such as NASM21209.
Colour: Olive DrabSpecifications
QQ-P-416 -
Dry Film Lubricated
Additional lubrication in high friction applications.
Recommended for use with HELICOIL® screwlock inserts.
Colour: GreySpecifications
MIL-L-8937 -
ArmaGuard
Prevents galvanic corrosion between insert and parent material.
Eliminates the need for zinc primers.
Improves installation productivity.
Colour: Glossy Black
