ÁñÁ«appµ¼º½Èë¿Ú 557
MAGNI 557
Fastener Coating
ÁñÁ«appµ¼º½Èë¿Ú 557 is a multi-layer coating system that combines an inorganic zinc-rich basecoat with an organic topcoat. Engineered for use on stampings and fasteners, including nuts, bolts and other hardware, ÁñÁ«appµ¼º½Èë¿Ú 557 features a basecoat that provides sacrificial protection of steel and a black topcoat that creates a durable barrier.
- PFAS-Free, Chrome-Free, Alleviates Hydrogen Embrittlement
- Applied via dip-spin or spray application methods
- Engineered with integrated friction modifiers to eliminate the need for sealers or post-coating lubricants, resulting in fewer layers
- Ensures repeatable torque / tension characteristics in assembly
Performance Data*:
Color
Black
Coating thickness
13-21 microns
Coefficient of friction
ISO 16047:
0.15 ± 0.03
(other levels available from .09 to .30)
Salt spray
ASTM B117:
1,000 hours;
(Additional layers up to 2,500 hours)
* Typical Values – refer to OEM Specifications and ÁñÁ«appµ¼º½Èë¿Ú Application Guidelines for official specifications
OEM Specifications:
Daimler
DBL8440.21/.23/.31/.41,
DBL9440.50 Pending
Ford
S439B Pending
General Motors
GMW 3359 Pending
Stellantis
PS5007 Pending
Volkswagen
TL233 Ofl-t630 Pending
Other OEMs
Pending