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DIN6921 High Strength Black Oxide Flange Bolts

Brand Name: Pandafastener
Standard: DIN6921
Finish: Plain
Material: Steel
Package: Small Box Packed
Certificate: ISO9001 ISO14001 ISO45001 SGS
Supply Ability: 10000 ton per Month
Grade: A2-70 A4-70 A4-80 etc.
Delivery time: 5-20days
Port: Tianjin Qingdao
MOQ: 1000pcs
  • DIN6921

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Black oxide flange bolts are a type of fastener known for their distinctive black finish. These bolts feature a flange, which acts as a built-in washer, providing a larger bearing surface and distributing the load more evenly. The black oxide coating on the bolts not only enhances their appearance but also adds a layer of corrosion resistance. This makes them suitable for applications where both aesthetics and durability are important. Black oxide flange bolts are commonly used in automotive, machinery, and construction industries, where they provide a secure and visually appealing fastening solution.

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