JW WINCO Hand Knobs; Star Knobs: 7 Point, Plastic w/ Steel Thread, 1/4"-20 Thread
The JW WINCO Hand Knob is a 7-arm star knob with a threaded hole, featuring a plastic body with a steel thread insert. It has a 1/4"-20 thread size and a 0.47-inch thread length (MPN 3TX31/K).
SKU 3G-OTH-524906
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Product Description
The JW WINCO Hand Knob is a 7-arm star knob with a threaded hole, featuring a plastic body with a steel thread insert. It has a 1/4"-20 thread size and a 0.47-inch thread length (MPN 3TX31/K).
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 7-arm star knob used for?
A JW WINCO 7-arm star knob provides manual grip for adjusting, clamping, or positioning machinery and equipment. Its plastic body with steel thread insert resists corrosion while the 1/4"-20 thread allows secure fastening on industrial fixtures, jigs, and control panels.
What are the specifications of the JW WINCO 3TX31/K hand knob?
The JW WINCO 3TX31/K is a 7-point star knob with a plastic body and steel thread insert. It has a 1/4"-20 thread size and a 0.47 in thread length. The threaded hole design enables direct mounting on studs or bolts for manual tightening applications.
Where to buy JW WINCO hand knobs worldwide?
3G Electric supplies JW WINCO hand knobs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine JW WINCO 7-arm star knobs like the 3TX31/K with 1/4"-20 thread and 0.47 in thread length to any international destination.
How to select the right JW WINCO star knob for an application?
Select a JW WINCO star knob by matching thread size and length to your stud or bolt — the 3TX31/K uses 1/4"-20 thread with 0.47 in thread length. Consider the 7-arm design for ergonomic grip and the plastic/steel construction for environments requiring corrosion resistance and moderate torque.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO 7-arm knobs with threaded hole. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









