Sk 41439 Female Pipe Plug Socket 3/8 Drive 9/32 Hex

Product Description

The SK 41439 is a female pipe plug socket designed to install and remove recessed female pipe plugs found in hydraulic fittings, manifolds, and fluid system components. The socket features a 3/8 inch drive and a 9/32 inch, 4-point hex profile sized to engage 0.281 inch plug heads with a secure fit. The 4-point geometry maximizes contact surface on the plug head, reducing the chance of rounding during torque application. Built for long service life, the socket is manufactured for maximum corrosion resistance, making it suitable for shop and field use by plumbers, pipefitters, hydraulic technicians, and industrial maintenance professionals.

This socket is suited for work on fluid system assemblies where square-head or hex pipe plugs are recessed below a surface and standard open-end or adjustable tools cannot reach. Typical applications include hydraulic manifold service, compressed air systems, coolant circuit maintenance, and general plumbing installations that use NPT pipe plugs. The compact 4-point design works in confined spaces where larger drive sockets would interfere with surrounding hardware. The 3/8 inch drive connection pairs with standard ratchets, extensions, and torque wrenches commonly found in HVAC, plumbing, and mechanical trade tool sets.

Key Features

• 9/32 inch hex, 4-point socket profile engages 0.281 inch female pipe plug heads
• 3/8 inch drive fits standard ratchets, extensions, and torque wrenches
• 4-point contact geometry reduces plug rounding under torque
• Built for long life and maximum corrosion resistance
• Compact design allows access in confined or recessed fitting locations

Compatibility

Designed as an OEM-style replacement socket for use with 9/32 inch hex female pipe plugs on 3/8 inch drive tool sets in plumbing, hydraulic, and fluid system applications.

Installation Notes

This socket is installed and used by licensed plumbers, pipefitters, and hydraulic technicians. Before servicing any fluid system, depressurize the circuit completely and isolate the section being worked on. Pair with a calibrated torque wrench when reinstalling pipe plugs to avoid overtorque and thread damage. Follow applicable IPC or IFGC guidelines for pipe plug torque and thread sealant requirements.