Hex Head Plug
Hex Head Plug
High-quality Hex Head Plug forged and precision-threaded for quick, weld-free assembly of small-bore piping.
- ASME B16.11
- NPT
- BSPT
- Class 2000
- Class 3000
- Class 6000
Hex Head Plug Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of Hex Head Plug in stainless steel, carbon steel, alloy steel, duplex, nickel alloy and other grades, in a wide range of sizes and pressure ratings.
A hex head plug has a male thread and hex head to close a female-threaded port; square head and round head plugs are also available.
Threaded (screwed) fittings are forged fittings with internal or external pipe threads, allowing small-bore piping to be assembled and dismantled without welding. They are used in utility, instrument, air, water and low-to-medium pressure process lines.
Key Features of Hex Head Plug
Port Closure
Closes threaded openings.
Easy Tightening
Hex head for spanner grip.
No Welding Needed
Quick assembly and easy maintenance.
Accurate Threads
Threads checked with ring and plug gauges.
Hex Head Plug Specifications
| Parameter | Specification |
|---|---|
| Product | Hex Head Plug |
| Head Type | Hex / Square / Round Head |
| Standard | ASME B16.11, MSS SP-83, MSS SP-95, BS 3799 |
| Size | 1/8" NB to 4" NB |
| Pressure Class | 2000 LBS, 3000 LBS, 6000 LBS |
| Threads | NPT (ASME B1.20.1), BSPT, BSPP (ISO 7 / ISO 228) |
| Manufacturing | Forged & Machined |
Hex Head Plug Material & Grades
| Material | Grades / Specifications |
|---|---|
| Stainless Steel | ASTM A182 / ASME SA182 F304, F304L, F304H, F310, F316, F316L, F316H, F316Ti, F321, F347, F904L |
| Duplex & Super Duplex | ASTM A182 F51, F53, F55, F60 |
| Carbon Steel | ASTM A105, A350 LF2 / LF3, A694 F42 – F70 |
| Alloy Steel | ASTM A182 F1, F5, F9, F11, F12, F22, F91 |
| Nickel Alloys | ASTM B564 – Nickel 200, Monel 400, Inconel 600/625, Incoloy 800/825, Hastelloy C276, Alloy 20 |
| Copper Nickel | ASTM B151 – Cu-Ni 90/10 (C70600), Cu-Ni 70/30 (C71500) |
Pressure Class vs Pipe Schedule
As per ASME B16.11, the pressure class of threaded fittings is matched to the wall thickness of the connecting pipe:
| Fitting Class | Matching Pipe Schedule |
|---|---|
| Class 2000 | Schedule 80 / XS |
| Class 3000 | Schedule 160 |
| Class 6000 | XXS |
Types of Threaded Fittings
Elbows & Tees
45°, 90° and street elbows, tees and crosses.
Couplings & Unions
Full, half and reducing couplings and unions.
Plugs & Bushings
Hex, square and round head plugs, hex bushings.
Nipples & Caps
Hex nipples, pipe nipples and caps.
Applications & Industries
- Utility & Air Lines
- Water Treatment
- Oil & Gas
- Chemical Processing
- Power Generation
- Instrumentation
- Hydraulics
- Fertilizer Plants
- Pharmaceutical
- Food Processing
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
Hex Head Plug can be supplied with inspection, testing and documentation according to the applicable standard and customer purchase order requirements.
- Dimensional inspection as per ASME B16.11
- Thread gauge inspection (NPT / BSP)
- Visual inspection
- Positive Material Identification (PMI)
- Hardness testing as applicable
- Mill Test Certificate EN 10204 3.1
- Third-party inspection on request
Why Choose Our Hex Head Plug?
No Welding Needed
Quick assembly and easy maintenance.
Accurate Threads
Threads checked with ring and plug gauges.
Forged Body
Forged bar or blanks for strength and soundness.
Wide Range
All common shapes, sizes and classes.
Hex Head Plug Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies Hex Head Plug for domestic and international projects. Fittings can be supplied in standard sizes from stock and in special sizes, grades and finishes as per drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure, export-worthy packaging.
Share your size, grade, pressure class and quantity with our team to receive a competitive quotation for Hex Head Plug.
Related Threaded Fittings
Hex Head Bushing
A hex head bushing has a male and a female thread of different sizes to reduce the size of a threaded connection.
Hex Nipple
A hex nipple has male threads on both ends with a hex in the centre, used to join two female-threaded fittings.
Threaded 90 Degree Elbow
A threaded 90° elbow makes a right-angle turn in small-bore piping with female threads on both ends.
Technical Note: Dimensions, pressure ratings and material properties should be verified against the applicable ASME / MSS / DIN / ISO standard, approved drawings, purchase order and Mill Test Certificate (MTC) before final use.