JW WINCO Hand Knobs; 4-Prong Knobs: Plastic w/ SS Thread, M8 Thread
The JW WINCO 4-Arm Knobs with Threaded Stud (MPN 8N30SA1/ST) are plastic hand knobs with a stainless steel thread, featuring an M8 thread and 40 mm diameter. 3G Electric interprets customer demand and delivers…
SKU 3G-OTH-530601
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Product Description
The JW WINCO 4-Arm Knobs with Threaded Stud (MPN 8N30SA1/ST) are plastic hand knobs with a stainless steel thread, featuring an M8 thread and 40 mm diameter. 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 authorised distributor for brands including Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is a JW WINCO 4-arm knob with threaded stud used for?
A JW WINCO 4-arm knob with threaded stud is used for manual clamping, positioning, or adjustment on machinery and fixtures. Its four-prong design provides a secure grip for frequent hand tightening in industrial settings such as assembly lines, jigs, and workholding applications.
What are the specifications of the JW WINCO 8N30SA1/ST hand knob?
The JW WINCO 8N30SA1/ST hand knob has a 40 mm diameter, an M8 threaded stud, and is made of plastic with a stainless steel thread. It is a 4-arm (4-prong) design suitable for manual tightening in industrial equipment.
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 solutions provider, we source genuine parts like the 8N30SA1/ST and deliver to any location. Contact us for availability and lead time.
How to install a JW WINCO 4-prong knob with M8 thread?
To install a JW WINCO 4-prong knob, simply thread the M8 stud into a matching tapped hole or nut on your fixture. Hand-tighten until secure; avoid over-torquing to prevent damage to the plastic body. For frequent adjustments, ensure the mating threads are clean and lubricated.
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.









