Speedmaster PCE319.1001 5/16" x 18 UNF Black Oxide 12-Point Hex Nut

The Speedmaster PCE319.1001 is a 5/16" x 18 UNF black oxide 12-point hex nut designed for precision fastening applications. The black oxide finish provides corrosion resistance and a professional appearance, making it suitable for both industrial and general mechanical assembly work. This nut features a 12-point design that allows for easier engagement and removal compared to standard 6-point configurations.

Made to UNF (Unified Fine) thread specifications, this hex nut delivers reliable thread compatibility and secure fastening performance across a wide range of machinery, equipment repair, and automotive applications. The black oxide coating helps resist rust and oxidation in typical workshop and field environments, while the standardized dimensions ensure compatibility with corresponding 5/16" x 18 UNF bolts and studs.

Key Features & Benefits

• 5/16" x 18 UNF Thread: Precision-engineered to Unified Fine specifications for reliable compatibility with standard 5/16" x 18 UNF fasteners.
• Black Oxide Finish: Corrosion-resistant coating provides durability and a professional appearance in mechanical assemblies.
• 12-Point Hex Design: Enables easier engagement and removal compared to traditional 6-point hex configurations.
• Industrial-Grade Construction: Built for machinery, equipment repair, and mechanical fastening applications requiring secure thread engagement.

Specifications

Ideal Applications

• Machinery and equipment assembly and repair
• Automotive mechanical fastening
• Industrial equipment maintenance
• General mechanical assembly work