Rex Main Chute Mount Locknut 7/8-9

Rex Main Chute Mount Locknut 7/8-9

This is a 7/8"-9 coarse thread top lock nut, specifically used to secure the main chute assembly to a concrete mixer truck. Made from high-strength steel with a zinc plating for corrosion resistance, its all-metal, top-locking feature prevents loosening caused by constant vibration during transit and concrete discharge. This nut is a critical replacement part for performing maintenance or repairs on the chute mounting system for brands like Rex and McNeilus.

Key Features

• Top lock all-metal design resists loosening from vibration.
• Withstands higher temperatures than nylon insert locknuts.
• 7/8 inch diameter with 9 TPI UNC coarse threading.
• Grade C steel construction for high strength.
• Zinc-plated finish for enhanced corrosion resistance.

Fits These Mixers

McNeilus, Terex, Con-Tech. Primarily used for the main chute mount on Rex concrete mixers, this is also a common fastener on other mixer brands. Its standard 7/8"-9 size allows for use on any equipment requiring a high-strength, vibration-resistant lock nut for mounting hardware.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.