Heavy Duty Black Hex Socket Cap Screws 20 Piece M6 M7 High Tensile 12 9 Grade For Machinery Furniture Electrical And Steel Projects Great For DIY Repairs And Industrial Use

Heavy Duty Black Hex Socket Screws, M6/M7, 20pc pack
✔️ 20-piece set, M6/M7, 12.9-grade alloy steel, black finish

This 20-piece set contains black oxide hex socket cap screws in M6 and M7 sizes. Made from 12.9 grade alloy steel for high tensile strength, these fasteners resist slipping under load and are suited for use in machinery, electrical, steel, furniture, automotive, marine, and aircraft projects.

✅ Material: 12.9 grade alloy steel for high tensile strength
✅ Finish: black oxide coating resists fading and scratches
✅ Package: 20-piece set with M6 and M7 sizes
✅ Applications: suitable for machinery, electrical, steel, furniture, automotive and more

💡 What is a hex socket cap screw used for in heavy-duty assemblies? This handy overview helps you pick the right fastener for demanding builds. - Used to fasten components in machinery, automotive, and industrial setups. - The 12.9 grade steel delivers high tensile strength for heavy loads. - Black oxide finish resists corrosion and keeps a clean look. - M6 and M7 sizes cover common metric mounting patterns in DIY and professional work.

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