Stainless Steel Hexagonal Threaded Pipe Fittings

Precision Manufacturing

Hexagonal heads are cold-forged for precise and uniform dimensions.

Threads are CNC rolled for complete and high-precision tooth profiles.

Polished surface treatment provides both aesthetics and corrosion resistance.

Dual-Function Design

Standard pipe thread end: Enables sealed connection of pipeline media.

Hexagonal external thread end: Provides a wrench tightening point.

Integrated structure avoids the risk of intermediate leakage.

Product Series

By Material

304 General Purpose: Suitable for most water and gas media.

316 Corrosion Resistant: Resistant to acids, alkalis, and chloride ion corrosion.

316L Low Carbon: No secondary treatment required after welding.

By Specification

Standard Hexagonal: Across-flat dimensions conform to GB/T standards.

Thickened Hexagonal: Enhances torque bearing capacity.

Fine Thread: For special precision equipment connection requirements.

Technical Parameters

Thread Specifications: M6-M24 Metric Thread / 1/4"-1" Pipe Thread

Hexagonal Across-Flats: 8-36mm Standard Series

Material Standards: GB/T 1220, ASTM A276

Surface Treatment: Natural polishing, electrolytic polishing

Main Applications

Equipment Interface: Connecting pumps, valves, instruments, and other equipment with internal threads.

Conversion Connection: Converting pipes to standard equipment interfaces.

Branch Connection: Leading small branch pipes from the main pipeline.

Repair and Reinforcement: Replacing damaged original external threaded connectors.

Installation Specifications

① Clean the threaded area, removing oil and impurities.

② Wrap PTFE tape around the threaded end (15-20 turns).

③ Manually screw in the internal thread until it feels tight.

④ Tighten with a wrench of the appropriate size (avoid excessive force).

Quality Inspection: 100% inspection of thread go/no-go gauges.

Torque testing ensures hexagonal head strength.

96-hour salt spray test shows no rust.

Material spectral analysis ensures composition meets standards.

Professional Tips: Selection Recommendations

General Connections: Select standard type, 304 stainless steel.

Corrosive Environments: Recommended material: 316/316L.

High-Pressure Applications: Select thickened hexagonal type.

Food Equipment: Electropolished surface is mandatory.

Installation Precautions

Do not apply thick grease to the threads.

Avoid using pipe wrenches to directly clamp the hexagonal face.

For critical areas, it is recommended to use thread-locking compound.

Stainless Steel Hexagonal External Thread – Providing double protection for your pipe connections with precise threads and a stable hexagonal head!