JW WINCO Hand Knobs; 4-Prong Knobs: Plastic w/ Steel Thread, M8 Thread
The JW WINCO Hand Knob is a 4-arm knob with threaded stud, featuring a 40 mm diameter and M8 thread. This 4-prong knob combines a plastic body with a steel thread, identified by manufacturer part number…
SKU 3G-OTH-530599
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Product Description
The JW WINCO Hand Knob is a 4-arm knob with threaded stud, featuring a 40 mm diameter and M8 thread. This 4-prong knob combines a plastic body with a steel thread, identified by manufacturer part number 6335.4-ST-40-M8-55.
Frequently Asked Questions
What is a JW WINCO 4-arm hand knob used for?
A JW WINCO 4-arm hand knob provides manual clamping, positioning, or adjustment on machinery and equipment. Its 40 mm diameter and M8 threaded steel stud allow tool-free tightening in jigs, fixtures, and industrial workholding applications.
What are the specifications of the JW WINCO 6335.4-ST-40-M8-55 hand knob?
The JW WINCO 6335.4-ST-40-M8-55 is a 4-prong hand knob with a 40 mm diameter and M8 thread. It features a plastic body with a steel threaded stud, designed for manual adjustment and clamping in industrial settings.
Where to buy JW WINCO hand knobs worldwide?
3G Electric supplies JW WINCO hand knobs worldwide, handling logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine JW WINCO parts like the 6335.4-ST-40-M8-55 to any international destination.
How to select the right JW WINCO hand knob for an application?
Select a JW WINCO hand knob by matching the thread size (e.g., M8) and diameter (e.g., 40 mm) to your fixture or machine stud. Consider the required grip and torque; plastic bodies with steel threads offer corrosion resistance and strength for manual adjustment tasks.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO 4-arm knobs with threaded stud. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









