JW WINCOSteel Threaded Plugs

JW WINCO Threaded Plug: Steel, NBR Seal, Metric Fine, M42x2 Thd, Internal Hex

The JW WINCO Threaded Plug is a steel plug with an M42x2 metric fine thread and an internal hex drive. It includes an NBR seal for leak-proof closure. This product is identified by manufacturer part number 749-M42X2-A.

SKU 3G-OTH-162946

Also listed as: 749M42X2A · 749 M42X2 A

Brand

JW WINCO

Item

Threaded Plug: Steel, NBR Seal, Metric Fine, M42x2 Thd, Internal Hex

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

749-M42X2-A 

Type

NBR Seal, Metric Fine, M42x2 Thd, Internal Hex 

Drive Size

50 mm 

Technical Documents

No technical documents available for this product.

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the JW WINCO threaded plug used for?

The JW WINCO threaded plug seals hydraulic and pneumatic ports, manifolds, and valve blocks. Its steel body and NBR seal provide leak-proof closure in industrial fluid-power systems, including pumps and controls, across machining, material handling, and other plant-floor applications.

What are the specifications of the JW WINCO threaded plug?

This JW WINCO plug is steel with an NBR seal, metric fine thread M42x2, internal hex drive, and 50 mm drive size. Manufacturer part number 749-M42X2-A. It is designed for leak-proof sealing in high-pressure fluid systems.

Where to buy the JW WINCO threaded plug worldwide?

3G Electric supplies the JW WINCO threaded plug worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine parts across 14 departments, including pneumatics and hydraulics, to meet your demand.

How to install a JW WINCO threaded plug?

Clean the port threads and apply a compatible thread sealant if required. Use an internal hex driver to tighten the plug to the manufacturer’s recommended torque. Avoid over-tightening to prevent seal damage. The NBR seal provides leak-proof closure when properly seated.

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 steel threaded plugs. 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 →