Français
Español
Deutsch
NPT Pipe Plug Manufacturer
-- Steady & Reliable Manufacturer --
Product Overview
We manufacture NPT and NPTF tapered pipe thread plugs in carbon steel, stainless steel and brass, covering common head styles including hex head, hex socket (Allen) and square head, with BSP and PT thread standards also available on request. Thread size, material and plating can be matched to an OEM part number or a buyer's own drawing.
We work with valve and fitting distributors, OEM purchasing teams and hydraulic equipment builders who need a manufacturing partner able to hold thread and sealing-face tolerances consistently across large production runs, with private-label packaging available.
Specifications
| Item | Detail |
|---|---|
| Materials Supported | Carbon steel (zinc/black oxide plated), 300 series stainless steel, brass |
| Thread Standards Supported | NPT, NPTF, BSP, PT, from 1/16" to 2" |
| Head Styles | Hex head, hex socket (Allen), square head |
| Sealing Method | Tapered thread seal; PTFE tape or thread sealant recommended at installation |
| Custom Development | OEM part-number matching from a sample or drawing |
| Surface Finish | Zinc plate, black oxide, passivated (stainless), or natural brass |
| Packaging | Bulk pack, blister card, or private-label retail packaging |
| Documentation | Material certificate and dimensional inspection report available |
Application Fields
- ✓Valve and pipe fitting distribution
- ✓OEM hydraulic and pneumatic equipment manufacturing
- ✓General plumbing and industrial piping systems
- ✓Compressor and pressure vessel port plugging
- ✓Marine and offshore piping systems
- ✓Private-label retail packaging for parts retailers
Key Advantages
- Full thread-standard and material range under one supplier, simplifying sourcing for distributors carrying multiple plug variants.
- Multiple head styles available, so the same thread size can be supplied as hex head, hex socket, or square head depending on the application.
- OEM part-number matching capability lets buyers replace a discontinued or hard-to-source pipe plug reliably.
- Private-label and custom packaging support distributors and retailers building their own branded product line.
- Material certificates and inspection reports are available for buyers who need incoming-quality documentation.
Company Profile
Dongtai Jinzhize Metal Products Co., Ltd.
As NPT Pipe Plug Manufacturer Manufacturer and NPT Pipe Plug Manufacturer Factory, Dongtai Jinzhize Metal Products Co., Ltd. is a specialized manufacturing facility dedicated to threaded connection products for the automotive and aerospace sectors. We primarily produce Helical Wire Inserts, Self-Tapping Inserts, Key Locking Inserts, Threaded Adapters, Oil Plugs, as well as matching installation taps and tools.
Established in 2015, the company operates from a 10,000-square-meter-owned manufacturing plant equipped with hundreds of machine tools and automated production systems. Through years of development, we have built an experienced team of design, development, and production specialists, complemented by a rigorous quality management system and comprehensive after-sales service mechanism.
Our products are widely utilized in the automotive industry (including engines and transmissions for both passenger and commercial vehicles), the aerospace industry, and rail vehicle manufacturing.
With an annual output value of 153 million RMB in 2024, we possess the capability for a large-scale, stable supply. We are committed to providing customers with highly consistent, traceable products and reliable service support.
