JW WINCORevolving Ball Knobs with Threaded Stud

JW WINCO Revolving Ball Knob with Threaded Stud

The JW WINCO Revolving Ball Knob with Threaded Stud (MPN 319.5-25-1/4X20-A) is a plastic knob with a stainless steel thread, featuring a 1/4"-20 thread size and 0.43 in thread length.

SKU 3G-OTH-531993

Also listed as: 31952514X20A · 319 5 25 1 4X20 A · 319-5-25-1-4X20-A

Brand

JW WINCO

Item

Revolving Ball Knob with Threaded Stud

Part Number

319.5-25-1/4X20-A

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

319.5-25-1/4X20-A 

Type

Plastic w/ SS Thread 

Thread

1/4"-20 

Thread Lg

0.43 in 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Revolving Ball Knob with Threaded Stud (MPN 319.5-25-1/4X20-A) is a plastic knob with a stainless steel thread, featuring a 1/4"-20 thread size and 0.43 in thread length.

Frequently Asked Questions

What is a JW WINCO Revolving Ball Knob used for?

A JW WINCO Revolving Ball Knob provides a secure, ergonomic grip for adjusting machinery, valves, or fixtures. Its revolving ball design reduces friction during tightening, making it ideal for industrial equipment across machining, material handling, and controls applications.

What are the specifications of the JW WINCO 319.5-25-1/4X20-A?

This JW WINCO Revolving Ball Knob (MPN 319.5-25-1/4X20-A) features a plastic ball with a stainless steel threaded stud. It has a 1/4"-20 thread size and a 0.43 in thread length, designed for secure fastening in industrial assemblies.

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 and customs clearance to deliver this component to your facility, regardless of location.

How to install a JW WINCO Revolving Ball Knob?

Install the JW WINCO Revolving Ball Knob by threading the stainless steel stud into a matching 1/4"-20 tapped hole. Tighten by hand or with a tool on the knob body; the revolving ball allows smooth rotation without loosening the grip.

Used in

Common applications for JW WINCO

Hydraulic power units — JW Winco filter breather vents (e.g., SKU 912HX4) with 3/4" SAE thread and 10-micron filtration for air exchange on reservoirs.

Gearbox and compressor mounting — JW Winco cylindrical vibration-isolating mounts (e.g., SKU 802C02) with 55A durometer natural rubber to reduce transmitted vibration.

Industrial machinery adjustment — JW Winco knurled knobs (e.g., SKU 822Y21) with M6 steel thread insert for manual clamping and positioning on jigs and fixtures.

Fluid drainage in reservoirs — JW Winco fluid drain valves (e.g., SKU 912HP9) with M16x1.5 mounting thread and tethered cap for controlled draining of hydraulic tanks.

Corrosive environment fastening — JW Winco stainless steel wing knobs (e.g., SKU 822W63) with 1/4"-20 threaded hole for frequent manual adjustment in wet or chemical-exposed areas.

Metric and inch thread applications — JW Winco knurled knobs (e.g., SKU 822Y18) with 3/8"-16 thread for equipment requiring inch-based manual fastening.

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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.

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