Keystone Threaded Products US020AG1A003045 Hex Nut

Product Description

The KEYSTONE THREADED PRODUCTS US020AG1A003045 is a heavy-duty hex nut machined from Grade 303 stainless steel. It features a 1-1/4-5 Acme thread form with a right-hand thread direction and a 2G thread fit class, making it well-suited for precision mechanical assemblies where smooth engagement and corrosion resistance are required. The nut measures 2 inches across the flats and stands 1-7/32 inches in height. Weighing 0.786 pounds, this is a solid, single-piece fastener intended for use by maintenance technicians, millwrights, and industrial tradespeople working with Acme-threaded rod or leadscrew applications.

This hex nut is used in industrial and commercial mechanical assemblies that rely on Acme thread forms, such as power transmission systems, linear actuators, jacks, clamps, and valve stems. The 303 stainless steel construction provides good machinability and moderate corrosion resistance, making it appropriate for environments with mild moisture exposure or where stainless fasteners are specified. It is sold individually and suited for both original equipment builds and field replacement work.

Key Features

• 1-1/4-5 Acme thread form with right-hand thread direction
• Grade 303 stainless steel for corrosion resistance and machinability
• 2G thread fit class for standard precision engagement
• 2 inches across flats for use with standard hex tooling
• 1-7/32 inches in height for full thread engagement on heavy-duty fastening
• Does not meet military specifications - commercial grade application

Compatibility

Designed for use with 1-1/4-5 Acme-threaded rod, leadscrew, or stud assemblies requiring a Grade 303 stainless steel hex nut with a 2G fit class and right-hand thread.

Installation Notes

Installation should be performed by qualified maintenance technicians or tradespeople familiar with Acme thread fasteners. Use a standard hex wrench or open-end wrench sized for a 2-inch across-flats fastener. Ensure mating threaded components are clean and free of debris before engagement to avoid galling, which can occur with stainless steel fasteners. Do not overtighten - consult the equipment manufacturer's torque guidance for the specific assembly.