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JW WINCO Steel Threaded Plug - Steel Threaded Plugs
JW WINCOSteel Threaded Plugs

JW WINCO Steel Threaded Plug

The JW WINCO Threaded Plug is a steel plug with an FPM seal, featuring a Metric Fine M42x2 thread and an Internal Hex drive. This product is designed for industrial sealing applications requiring a metric fine thread…

SKU 3G-OTH-162953

Also listed as: 749M42X2B · 749 M42X2 B

Brand
JW WINCO
Item
Steel Threaded Plug
Part Number
749-M42X2-B
Category
Steel Threaded Plugs
Available to Order
Also known as:749-M42X2-BJW WINCO
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Technical Specifications

JW WINCO
Manufacturer Part Number
749-M42X2-B
Type
FPM Seal, Metric Fine, M42x2 Thd, Internal Hex
Drive Size
50 mm

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JW WINCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Threaded Plug is a steel plug with an FPM seal, featuring a Metric Fine M42x2 thread and an Internal Hex drive. This product is designed for industrial sealing applications requiring a metric fine thread connection.

Frequently Asked Questions

What is the JW WINCO Threaded Plug used for?

The JW WINCO Threaded Plug is used for sealing industrial hydraulic and pneumatic ports, manifolds, and fluid power systems. Its steel body with FPM seal provides reliable leak-proof closure in high-pressure and high-temperature environments, common in manufacturing, oil and gas, and heavy machinery applications.

What are the specifications of the JW WINCO Threaded Plug 749-M42X2-B?

This JW WINCO plug is made of steel with an FPM seal, features a Metric Fine M42x2 thread, and an Internal Hex drive with a 50 mm drive size. It is designed for secure sealing in metric fine-threaded ports, offering corrosion resistance and durability under demanding industrial conditions.

Where to buy JW WINCO Threaded Plug in worldwide?

3G Electric supplies the JW WINCO Threaded Plug worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine JW WINCO components to facilities across 14 departments, ensuring you receive the correct metric fine plug for your sealing application.

How to install a JW WINCO Threaded Plug with Internal Hex drive?

To install, clean the port threads and apply a compatible thread sealant if required. Use a hex key or socket matching the 50 mm drive size to tighten the plug to the manufacturer's recommended torque. Avoid over-tightening to prevent damage to the FPM seal or thread galling. Always verify pressure ratings before service.

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 steel threaded plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Steel threaded plug with NBR seal for sealing hydraulic and pneumatic ports. Type G thread (1/8 in) with internal hex drive (14 mm). Used in fluid power systems, manifolds, and valve blocks for leak-proof closure
JW WINCO
Steel threaded plug with NBR seal for sealing hydraulic and pneumatic ports. Type G thread (1/8 in) with internal hex drive (14 mm). Used in fluid power systems, manifolds, and valve blocks for leak-proof closure

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