JW WINCORevolving Ball Knobs with Threaded Stud

JW WINCO Revolving Ball Knobs: Ball, Plastic w/ Steel Thread, M12 Thread, 21 mm Thread Lg

SKU 3G-OTH-532005

Brand

JW WINCO

Item

Revolving Ball Knobs: Ball, Plastic w/ Steel Thread, M12 Thread, 21 mm Thread Lg

Technical Specifications

JW WINCO

Manufacturer Part Number

319.2-50-M12-A 

Type

Plastic w/ Steel Thread, M12 Thread 

Dia

50 mm 

Thread Lg

21 mm 

View Full Spec Sheet

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Revolving Ball Knob with Threaded Stud (MPN 319.2-50-M12-A) is a 50 mm diameter plastic knob with a steel M12 thread and 21 mm thread length. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments—and far more—with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is a JW WINCO Revolving Ball Knob used for?

A JW WINCO Revolving Ball Knob provides a comfortable, rotating grip for manual adjustment on industrial machinery, control panels, and clamping fixtures. Its 50 mm diameter plastic ball with steel M12 thread suits applications requiring frequent hand operation. 3G Electric supplies this genuine JW WINCO component globally.

What are the specifications of the JW WINCO 319.2-50-M12-A Revolving Ball Knob?

The JW WINCO 319.2-50-M12-A is a 50 mm diameter revolving ball knob made of plastic with a steel threaded stud. It features an M12 thread and a 21 mm thread length. This genuine JW WINCO part is designed for durable, ergonomic manual control in industrial settings.

Where to buy JW WINCO Revolving Ball Knobs worldwide?

3G Electric supplies genuine JW WINCO Revolving Ball Knobs worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the JW WINCO 319.2-50-M12-A or other configurations for your application.

How to select the right JW WINCO Revolving Ball Knob for my application?

Select a JW WINCO Revolving Ball Knob by matching thread size (e.g., M12), thread length (21 mm), and ball diameter (50 mm) to your equipment's mounting requirements. Consider material—plastic with steel thread offers corrosion resistance and ergonomic grip. 3G Electric can help confirm compatibility for your machinery.

Used in

Common applications for JW WINCO

Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.

Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.

Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.

Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.

Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.

Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO revolving ball knobs with threaded stud. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all JW WINCO products →Contact our engineers →