JW WINCOSteel Tapered-Threaded Plugs

JW WINCO Threaded Plug: Steel, Type R, 1/4 in Thd, Internal Hex, 7 mm Drive Size

The JW WINCO Threaded Plug is a steel tapered-threaded plug, Type R, with a 1/4 in thread size. It features an internal hex drive with a 7 mm drive size and a 6 mm outside diameter (MPN 906-ST-R1/4-A).

SKU 3G-OTH-172636

Also listed as: 906STR14A · 906 ST R1 4 A · 906-ST-R1-4-A

Brand

JW WINCO

Item

Threaded Plug: Steel, Type R, 1/4 in Thd, Internal Hex, 7 mm Drive Size

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

906-ST-R1/4-A 

Type

Type R, Internal Hex 

Thd

1/4 in 

Drive Size

7 mm 

Outside Dia

6 mm 

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

Frequently Asked Questions

What is the JW WINCO Threaded Plug used for?

The JW WINCO Threaded Plug is used to seal threaded ports in hydraulic and pneumatic systems, preventing fluid leakage and contamination. It is commonly applied in industrial machinery, automotive, and fluid power equipment where a reliable, leak-proof seal is required.

What are the specifications of the JW WINCO Threaded Plug?

The JW WINCO Threaded Plug (MPN 906-ST-R1/4-A) is a steel Type R tapered-threaded plug with a 1/4 in thread size. It features an internal hex drive with a 7 mm drive size and a 6 mm outside diameter. The steel construction provides durability and corrosion resistance.

Where to buy JW WINCO Threaded Plug in worldwide?

You can source the JW WINCO Threaded Plug through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other JW WINCO components.

How to install a JW WINCO Threaded Plug?

To install the JW WINCO Threaded Plug, clean the threaded port and apply a suitable thread sealant if required. Use a 7 mm hex key to tighten the plug to the manufacturer's recommended torque. Avoid over-tightening to prevent thread damage. Ensure the plug is fully seated for a leak-proof seal.

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 tapered-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 →