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Monster Bolts - Fastener news

Black Bolts. Hex bolts with Black Oxide.

Black Oxide Finish Guide: Process, Benefits & When to Use Black Fasteners

Black BoltsOct 26, 2022

Black oxide is a thin, dimensionality-neutral conversion coating that delivers a deep black look. Learn how it’s made, how it resists corrosion with oil/wax, and when to choose it vs zinc or stainless.

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