JW WINCO Cast Iron Hand Knobs: 7 Point, Cast Iron, 1/4"-20 Thread, 0.47 in Thread Lg
The JW WINCO Cast Iron Hand Knob is a 7-arm knob with a threaded hole, featuring a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. Made from cast iron, this 7-point knob (MPN 3TC77/E) provides a manual…
SKU 3G-OTH-524840
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Product Description
The JW WINCO Cast Iron Hand Knob is a 7-arm knob with a threaded hole, featuring a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. Made from cast iron, this 7-point knob (MPN 3TC77/E) provides a manual grip interface for industrial equipment adjustments.
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 cast iron hand knob used for?
A JW WINCO cast iron hand knob provides a manual grip interface for adjusting industrial equipment. Its 7-arm design and 1/4"-20 threaded hole allow secure hand-tightening on machinery, fixtures, or jigs where tool-free adjustments are needed.
What are the specifications of the JW WINCO 3TC77/E hand knob?
The JW WINCO 3TC77/E is a 7-point cast iron hand knob with a 1.26 in diameter, 1/4"-20 thread, and 0.47 in thread length. It is made from cast iron and features a threaded hole for mounting on studs or bolts.
Where to buy JW WINCO hand knobs worldwide?
3G Electric supplies JW WINCO cast iron hand knobs worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 3TC77/E or other JW WINCO parts.
How to install a JW WINCO cast iron hand knob?
To install a JW WINCO cast iron hand knob, thread it onto a matching 1/4"-20 stud or bolt until hand-tight. Avoid over-torquing to prevent damage to the cast iron. For permanent applications, use a thread-locking compound. Always verify thread compatibility before installation.
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.









