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By certification 
bolts for engine mission of autos_
specification: M6*110
Finishing:zinc-plating ,black oxide coating
Material:10B21
we also can give your suggestion and design according to your drawings and samples. .Any specific screws can be provided according to customers' requirements .
All the NON STANDARD FASTENERS are customized.
FREE SAMPLES can be sent on request.
Come to see us,Let's talk more details.
specification: M6*110
Finishing:zinc-plating ,black oxide coating
Material:10B21
we also can give your suggestion and design according to your drawings and samples. .Any specific screws can be provided according to customers' requirements .
All the NON STANDARD FASTENERS are customized.
FREE SAMPLES can be sent on request.
Come to see us,Let's talk more details.
