JW WINCO Revolving Ball Knobs: Ball, Plastic w/ Steel Thread, 1/2"-13 Thread
The JW WINCO Revolving Ball Knob with Threaded Stud is a plastic knob with a steel thread, featuring a 1/2"-13 thread size and 0.83 in thread length (MPN 319.2-50-1/2X13-A). This component is a revolving ball knob…
SKU 3G-OTH-531995
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Product Description
The JW WINCO Revolving Ball Knob with Threaded Stud is a plastic knob with a steel thread, featuring a 1/2"-13 thread size and 0.83 in thread length (MPN 319.2-50-1/2X13-A). This component is a revolving ball knob designed for manual adjustment or positioning applications.
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 is used for manual adjustment, positioning, or clamping on industrial machinery and equipment. Its revolving ball design provides a comfortable grip for operators to tighten or loosen threaded components by hand, common in machine tools, jigs, and fixtures.
What are the specifications of the JW WINCO 319.2-50-1/2X13-A knob?
The JW WINCO 319.2-50-1/2X13-A is a revolving ball knob with a plastic ball and steel threaded stud. It has a 1/2"-13 thread size and 0.83 in thread length. The manufacturer part number is 319.2-50-1/2X13-A, and it is designed for manual adjustment applications.
Where to buy JW WINCO Revolving Ball Knobs worldwide?
3G Electric supplies JW WINCO Revolving Ball Knobs worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this component to your facility. Contact us to source the 319.2-50-1/2X13-A or other JW WINCO knob variants for your application.
How to install a JW WINCO Revolving Ball Knob with threaded stud?
To install a JW WINCO Revolving Ball Knob, simply thread the steel stud into a matching 1/2"-13 tapped hole or nut. Hand-tighten until secure; avoid over-torquing to prevent damage to the plastic ball. For applications requiring a specific orientation, use a thread-locking compound to hold position.
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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.









