Elastic Type Hex Lock Nut 1/2-13 Replacement for SCAG 04021-07

Product Overview

This elastic type hex lock nut is a reusable, self-locking fastener designed for use with SCAG mowers and other outdoor power equipment. The 1/2"-13 thread lock nut provides secure vibration resistance to keep bolts tight during operation, making it ideal for maintaining blade spindles, pulleys, and deck hardware.

Key Features & Performance

• Elastic locking collar prevents loosening from vibration and thermal cycling
• Grade 8 construction for high strength and durability
• Reusable up to multiple removal cycles without losing locking torque
• Precise 1/2"-13 thread size for direct replacement of original nuts
• Zinc plated finish resists corrosion in outdoor environments

Common Uses

• Securing cutting deck blades on SCAG mowers
• Fastening pulley assemblies on zero-turn lawn tractors
• Maintaining spindle bolts on commercial turf equipment
• General purpose lock nut applications requiring vibration resistance

Technical Specifications

• Part Number(s): 04021-07
• Thread Size: 1/2"-13
• Type: Elastic Lock Nut
• Material: Steel, Grade 8
• Finish: Zinc Plated

Frequently Asked Questions

Q: Can this elastic lock nut be reused? A: Yes, it is designed for multiple reuse provided the elastic collar has not been worn or damaged from overtightening.

Q: Will this nut fit all SCAG mower models? A: It fits any SCAG model that uses a 1/2"-13 thread lock nut as original equipment; verify your part number matches 04021-07.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.