JW WINCO Revolving Ball Knobs: Ball, Plastic w/ SS Thread, M12 Thread, 21 mm Thread Lg
The JW WINCO Revolving Ball Knob with Threaded Stud (MPN 319.5-50-M12-A) is a 50 mm diameter plastic knob with a stainless steel M12 threaded stud and 21 mm thread length. 3G Electric sources this genuine industrial…
SKU 3G-OTH-532007
Need installation or engineering help?
Ask a question
Product Description
The JW WINCO Revolving Ball Knob with Threaded Stud (MPN 319.5-50-M12-A) is a 50 mm diameter plastic knob with a stainless steel M12 threaded stud and 21 mm thread length. 3G Electric sources this genuine industrial component across 14 departments, with specialist expertise in controls and motion components to ensure the right part for your application.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a JW WINCO Revolving Ball Knob used for?
A JW WINCO Revolving Ball Knob provides a comfortable, rotating grip for manual adjustment on machinery, control panels, and industrial equipment. Its plastic ball with stainless steel M12 threaded stud suits applications requiring frequent hand tightening or positioning, common in machine tools and assembly fixtures.
What are the specifications of the JW WINCO 319.5-50-M12-A Revolving Ball Knob?
The JW WINCO 319.5-50-M12-A Revolving Ball Knob has a 50 mm diameter plastic ball with a stainless steel M12 threaded stud and 21 mm thread length. It is designed for secure, corrosion-resistant mounting in control and motion applications.
Where to buy JW WINCO Revolving Ball Knobs worldwide?
3G Electric supplies genuine JW WINCO Revolving Ball Knobs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this component across 14 departments, including controls and motion, to deliver the right part for your application.
How to install a JW WINCO Revolving Ball Knob with threaded stud?
Install the JW WINCO Revolving Ball Knob by threading the M12 stainless steel stud into a matching tapped hole or nut. Tighten by hand or with a tool on the stud base, avoiding over-torque to prevent damage. Ensure the mating surface is clean for secure, vibration-resistant mounting.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO revolving ball knobs with threaded stud. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









