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NPTLOK Hex Nipple

NPTLOK hex nipple is a short pipe with male pipe threads on both ends to be screwed into female thread fittings, which ensures a leak-free connection. Male threads are protected with plastic caps. It has a six-sided (hexagon) shape head like a nut in the center of the fitting (between the threads) for easy tightening with a wrench. It gets its name from the hexagon shape in the middle section.

The size of the hex nipple depends on the female thread size of the pipe, to which it will connect. The size range is from 1/4”-3”. If you want to measure hex nipple length, the length should include male threads on each end.

Materials of hex nipple are available in stainless steel 304, 316, brass, or carbon steel, which can resist corrosion and can be used in a wide range of environment

hex nipple datasheet

hexagonal shape of hex nipple

Hexagonal shape head is easily gripped by a standard wrench

Hex nipple is also called ” hexagonal nipple”. A hexagonal shape like a nut is in the middle of the hex nipple. The hexagonal head is convenient to be tightened, or loosened with a standard wrench, allowing for quicker installation and disassembly. It is better operated than a round pipe nipple.

Hex nipple is ideal for an environment that requires assembly, disassembly, and re-assembly.

Many choices of connections and configurations for hex nipple

For the male thread of hex nipple, our factory can offer NPT, BSPP, G, RT, Metric, and other threads following customers’ requirements. You can choose NPT-NPT, NPT-BSPP, G-RT, NPT-Metric, etc. And the sizes of male threads are from 1/4”-3”.

You have different configuration choices based on your project requirements.

Many choices of configuration for hex nipple
hex nipple applications

Hex Nipple Applications

The hex nipple is often used to extend pipe length and connect different pipe sections. The hex nipple is suitable for a wide range of applications:

Marine

Sanitary

Automotive

Piping and Plumbing

Mechanical systems

The hex nipple is not suitable for hydraulic use.

How is the hex nipple manufactured?

The hex nipple is machined with the bar stock.

How many pieces of the hex nipple are manufactured for one day?

We can manufacture 1000pcs hex nipples

Do you use plastic cap to protect the thread?

Yes

Can you manufacture the hex nipple following my drawings?

Yes

How do you inspect the hex nipple during the production?

We will use the thread gauge to inspect the thread sizes.

How many quantity of hex nipple will be tested?

About 20% of the order quantity.

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