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High Strength Hexagon Bolt DIN 933 - Black Oxide Coated Full Thread Industrial Fastener

Our Hex Hexagon Bolt (DIN 933 Standard) is engineered for reliable fastening across industrial, construction, and mechanical applications. Crafted with precision, it features a full-thread design for secure, deep engagement. The black oxide coating enhances corrosion resistance, boosts surface hardness, and delivers a durable, professional finish—ideal for both indoor and outdoor use. Available in various sizes to meet your project needs, this bolt combines strict DIN 933 dimensional accuracy with robust performance.
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  • DIN933

  • Weifeng

hex head black bolt black oxide hex bolts Black Oxide din933 hex bolt din933 hex bolt din933
Product Description

主图-5主图附图-1

This hexagon bolt strictly complies with DIN 933 standards, featuring full-thread design and premium carbon steel construction with black oxide coating. The black oxide finish enhances corrosion resistance, reduces friction during installation, and offers a sleek, wear-resistant surface—ideal for indoor dry environments, machinery, and industrial equipment.
The hexagonal head ensures easy torque transfer with common tools (wrenches/sockets), preventing slippage during tightening. Full-thread configuration provides uniform load distribution and secure fastening for structural connections, automotive parts, and equipment assembly. Available in common sizes (M6-M24), it’s compatible with nuts and washers of matching standards, meeting diverse industrial needs.


Product Description

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Ningbo Weifeng Fastener Co., Ltd., established in the year 2003, is a global industry and trade combined company. Our company is specialized in developing, manufacturing, trading and providing services for fasteners and hardware tools.

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