Fine Thread Steel Lock-Nut, 7/8”-14

Fine Thread Steel Lock-Nut, 7/8”-14

The SNF78 Fine Thread Steel Lock-Nut (7/8"-14) is a heavy-duty all-metal locknut designed to provide secure, vibration-resistant fastening in mechanical and industrial applications. Built from Grade C medium carbon steel, this locknut delivers dependable strength while the zinc and wax coating helps resist corrosion and extends service life. The 7/8"-14 fine thread provides tighter engagement and improved holding power compared to coarse threads, making it ideal for equipment and machinery where fasteners must stay put under load.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: SNF78
• Product Type: Fine thread hex lock-nut
• Thread Size: 7/8"-14 (Fine Thread)
• Nut Type: All-metal locknut
• Material: Grade C medium carbon steel
• Finish: Zinc and wax coated for corrosion resistance
• Design: Prevailing torque style to resist loosening under vibration
• Function: Provides secure locking for threaded fasteners
• Construction: Heavy-duty steel for mechanical and industrial use

Ideal For

• Agricultural and industrial machinery
• Equipment repair and assembly
• Applications requiring fine thread high-strength fastening
• Installations exposed to vibration or movement
• Mechanics who know that a proper lock-nut keeps things tight long after the wrench is put away