Zhejiang Qifeng Hardware Make Co., Ltd -

Zhejiang Qifeng Hardware Make Co., Ltd

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hexagon head square neck bolts
Specification: DIN 603
Detail: 1) Size: M6 - M20 2) Length: from 16mm to 300mm 3) Grade: 4.6, 8.8 4) Meterials: A325 / A449 / A307 5) Plating: ZINC / H.D.G / BLACK OXIDE

hexagon head bolts
Specification: DIN 931
Detail: 1) Size: M6 - M52 2) Length: from 60mm to 1,500mm 3) Grade: 8.8 and Below 4) Meterials: A325 / A449 / A307 / OTHER 5) Plating: ZINC / H.D.G / BLACK OXIDE / OTHER

hexagon head screws
Specification: DIN 933
Detail: Features: 1) Size: M6 - M52 2) Length: from 60mm to 1,500mm 3) Meterials: A325/A449/A307 4) Plating: ZINC / H.D.G / BLACK OXIDE / OTHER


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