10.9 High Strength Round Head Hex Screws Nut Set Black Round Head Bolts Boxed Screws

Grade 10.9 High Strength Round Head Hex Screws and Nuts Set is a professional, boxed fastener kit designed for industrial applications, machinery maintenance, construction projects, and wholesale use. Crafted from high-quality alloy steel, these fasteners meet Grade 10.9 standards, delivering exceptional tensile strength, hardness, and load-bearing capacity—ideal for heavy-duty fastening tasks that require reliability and durability.

 

Featuring a black oxide finish, the round head hex bolts and matching nuts offer superior corrosion resistance, rust protection, and wear resistance, making them suitable for both indoor and outdoor industrial environments. The round head design provides a smooth, low-profile finish while ensuring stable clamping force, and the hex socket drive allows for easy, secure installation with a hex key, reducing slippage and improving work efficiency.

 

This boxed set is thoughtfully assembled for convenience, providing a complete fastening solution for professionals, contractors, and wholesale buyers. Perfect for machinery assembly, construction projects, equipment maintenance, industrial repairs, and batch production, the set is engineered to meet the high demands of industrial and commercial use.

 

With its high-strength construction, anti-corrosion finish, and practical boxed design, this Grade 10.9 fastener set is a reliable choice for wholesale orders, industrial operations, and any heavy-duty fastening application that requires consistent performance and long-lasting durability.