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standard: DIN 933
Size: M4-M36 1/4-- 1 1/2!
Material:Carbon steel !
Grade: 4.8 8.8
Surface: Black , Z/p ,Yellow zinc
standard: DIN 933
Size: M4-M36 1/4-- 1 1/2!
Material:Carbon steel !
Grade: 4.8 8.8
Surface: Black , Z/p ,Yellow zinc