EXW Singapore — collect or forward from our Singapore office.

3G Electric
JW WINCO Revolving Ball Knob with Threaded Hole - Revolving Ball Knobs with Threaded Hole
JW WINCORevolving Ball Knobs with Threaded Hole

JW WINCO Revolving Ball Knob with Threaded Hole

The JW WINCO Revolving Ball Knob with Threaded Hole is a plastic knob with a stainless steel thread, featuring a 1/2"-13 thread size and 1.22 in thread length (MPN 319.5-50-1/2X13-B).

SKU 3G-OTH-535085

Also listed as: 31955012X13B · 319 5 50 1 2X13 B · 319-5-50-1-2X13-B

Brand
JW WINCO
Item
Revolving Ball Knob with Threaded Hole
Part Number
319.5-50-1/2X13-B
Category
Revolving Ball Knobs with Threaded Hole
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

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

Technical Specifications

JW WINCO
Manufacturer Part Number
319.5-50-1/2X13-B
Type
Plastic w/ SS Thread
Thread
1/2"-13
Thread Lg
1.22 in

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 Hole is a plastic knob with a stainless steel thread, featuring a 1/2"-13 thread size and 1.22 in thread length (MPN 319.5-50-1/2X13-B).

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 adjusting or clamping machinery, jigs, and fixtures. Its plastic body with stainless steel thread resists corrosion in industrial environments. 3G Electric supplies this genuine component worldwide.

What are the specifications of the JW WINCO Revolving Ball Knob 319.5-50-1/2X13-B?

The JW WINCO Revolving Ball Knob model 319.5-50-1/2X13-B has a plastic body with stainless steel thread, a 1/2"-13 thread size, and a 1.22 in thread length. It is designed for secure, repeatable hand-tightening in assembly and positioning applications.

Where to buy JW WINCO Revolving Ball Knobs worldwide?

3G Electric sources and delivers genuine JW WINCO Revolving Ball Knobs worldwide. We handle full logistics and customs clearance, ensuring the correct part reaches your facility. Contact us for availability and lead time on this and other industrial components.

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

Select a JW WINCO Revolving Ball Knob by matching the thread size (e.g., 1/2"-13) and thread length (e.g., 1.22 in) to your mating component. Consider the operating environment: plastic with stainless steel thread suits moderate loads and non-corrosive conditions. 3G Electric can help confirm fit.

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.
Not sure this is the right part? Photo-identify it→

JW WINCO Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from JW WINCO

View all JW WINCO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first