7/8"-9 Grade G All-Metal Flange Top Lock Nuts (4 Pack) – Heavy Duty Phosphate and Oil Coarse Thread Locking Fasteners, High Temperature & Vibration Resistant Steel All-Metal Flange Phosp Oil Nut – 4 Pack
7/8"-9 Grade G All-Metal Flange Top Lock Nuts (4 Pack) – Heavy Duty Phosphate and Oil Coarse Thread Locking Fasteners, High Temperature & Vibration Resistant Steel
These 7/8"-9 All-Metal Flange Top Lock Nuts are engineered for professional and industrial use where vibration, heat, and load demand uncompromising performance. Manufactured from alloy steel, the top-lock design provides consistent locking force without nylon components. Ideal for automotive assemblies, heavy equipment, and structural joints where reliability is critical. Phosphate and oil finish.
Product Features
- SAE Grade G Performance: High-strength alloy steel designed for critical fastening applications. SAE J995. With Grade G nuts, maximum grade of cap screw to be used with is Grade 8. UNC Coarse Thread. Phosphate and Oil Finish. 4-Pack.
- All-Metal Locking Design: No nylon insertmaintains locking force under heat and vibration. Crimped top that is crimped to create the locking feature. Built-in flange.
- High-Temperature Capable: Suitable for automotive, equipment, and industrial environments.
- Designed for Critical Joints: Preferred where loosening is not acceptable.
- Standard 7/8"-9 Coarse Thread: Fits common coarse-thread bolts used in automotive and structural work. SAE J995 Material and Physical Properties. IFI 100/107. HRC 24/36.