Automotive fasteners with zinc-nickel plating

Zinc-nickel replaced cadmium and yellow zinc in most automotive coating specifications because it holds up to salt, heat and stone chipping under the vehicle. We plate it on our own line: 1,000 h at 12 µm, 1,440 h at 15 µm neutral salt spray.

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Parts for chassis, wheel and engine-bay use

Truck Wheel Hub Bolt – representative photo

Truck & Trailer Wheel Hub Bolt

Truck Flange Wheel Nut

DIN 6921 Flange Bolt – representative photo

DIN 6921 Hex Flange Bolt

DIN 6923 Flange Nut – representative photo

DIN 6923 Hex Flange Nut

DIN 960 / DIN 961 Fine Thread Hex Bolt

DIN 6926 Flange Lock Nut – representative photo

DIN 6926 Nylon Insert Flange Lock Nut

DIN 980 All-Metal Prevailing Torque Lock Nut

DIN 938/939 Tap-End Stud – representative photo

DIN 938 / DIN 939 Tap-End Stud

Flat Head Rivet Nut – representative photo

Flat Head Knurled Blind Rivet Nut

DIN 912 Socket Cap Screw – representative photo

DIN 912 Socket Head Cap Screw

What to specify

Coating standard or OEM spec, thickness and salt-spray hours
Passivation colour (clear / black) and top coat or friction-control sealer if required
Property class and hydrogen-embrittlement relief for 10.9 and above
Drawing or part number, annual volume and packaging