JW WINCO Quick Release Hand Knobs: 4 Point, Aluminum, 1/2"-13 Thread
The JW WINCO Quick Release 4-Arm Knob (MPN 8TFR3A) is an aluminum hand knob with a 2.5 in diameter and 1/2"-13 thread. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14…
SKU 3G-OTH-504449
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Product Description
The JW WINCO Quick Release 4-Arm Knob (MPN 8TFR3A) is an aluminum hand knob with a 2.5 in diameter and 1/2"-13 thread. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as an authorized distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.
Frequently Asked Questions
What is the JW WINCO Quick Release 4-Arm Knob used for?
The JW WINCO Quick Release 4-Arm Knob (MPN 8TFR3A) is used for manual clamping, positioning, and adjustment on industrial machinery, jigs, and fixtures. Its 4-point design provides a secure grip for quick tool-less tightening in machining, assembly, and material handling applications.
What are the specifications of the JW WINCO 8TFR3A knob?
The JW WINCO 8TFR3A is a quick-release 4-arm knob with a 2.5 in diameter, made of aluminum, and features a 1/2"-13 thread. It is designed for manual operation where rapid adjustment and secure locking are needed in industrial equipment setups.
Where to buy JW WINCO quick release knobs worldwide?
3G Electric supplies the JW WINCO 8TFR3A quick release knob to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine industrial component.
How to install a JW WINCO 4-arm hand knob?
To install the JW WINCO 4-arm knob, simply thread the 1/2"-13 stud into a matching tapped hole or nut on your fixture. Tighten by hand using the four arms for leverage. No tools are required. Ensure the mating threads are clean and lubricated for smooth operation.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO quick-release 4-arm knobs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




