JW WINCO Hand Knobs; Eight-Lobed Knobs: Plastic w/ Brass Thread, M8 Thread
The JW WINCO Hand Knob is an 8-arm knob with a threaded hole, featuring a plastic body with a brass M8 thread and a 13 mm thread length (MPN 6303040). This component is designed for manual adjustment and clamping…
SKU 3G-OTH-501732
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Product Description
The JW WINCO Hand Knob is an 8-arm knob with a threaded hole, featuring a plastic body with a brass M8 thread and a 13 mm thread length (MPN 6303040). This component is designed for manual adjustment and clamping applications where a secure, ergonomic grip is required.
Frequently Asked Questions
What is a JW WINCO eight-lobed hand knob used for?
A JW WINCO eight-lobed hand knob is used for manual adjustment and clamping in industrial machinery, jigs, and fixtures. Its ergonomic eight-lobed design provides a secure grip for frequent hand tightening, making it ideal for positioning guards, adjusting work stops, or securing components in assembly and machining operations.
What are the specifications of the JW WINCO 6303040 hand knob?
The JW WINCO 6303040 hand knob has a plastic body with a brass M8 threaded insert, a 13 mm thread length, and an eight-lobed design. It is an 8-arm knob with a threaded hole, designed for manual clamping. The brass thread provides durability and corrosion resistance in repeated adjustment applications.
Where to buy JW WINCO hand knobs worldwide?
3G Electric supplies JW WINCO hand knobs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine JW WINCO components like the 6303040 eight-lobed knob. Contact us for availability and lead time to your location.
How to install a JW WINCO eight-lobed hand knob?
To install a JW WINCO eight-lobed hand knob, simply thread the M8 brass insert onto a compatible male stud or bolt until hand-tight. Avoid over-tightening with tools to prevent damage to the plastic body. For clamping applications, ensure the mating surface is clean and the knob is fully engaged before applying final torque by hand.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO 8-arm knobs with threaded hole. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









