Stainless Steel Hexagon Head Plug
Useful Information
Technical Specification
- Material: Stainless Steel - CF8M (316)
- Connection Type: Hexagon head plug
- Standard: ISO 4144
- Thread Type: BSPT (ISO 7.1)
- Thread Gender: Male
- Operating Temperature Range: -20°C to +220°C
- Available Sizes: ⅛" to 4"
- Manufacturing Standard: ASTM A-351
Description
This hexagon head plug is designed for sealing off the ends of female-threaded pipes and fittings in fluid or gas systems. Precision-machined from corrosion-resistant 316 stainless steel (CF8M), it offers reliable performance across a wide temperature range. The BSPT tapered male thread provides a secure, leak-tight fit, while the hexagonal head allows for quick and easy tightening with standard tools. A dependable choice for industrial, marine, and chemical processing applications requiring robust sealing.
Key Features & Benefits
- 316 stainless steel for excellent resistance to corrosion and chemical attack
- BSPT tapered male thread ensures a secure, pressure-tight seal
- Hexagon head enables straightforward installation and removal
- Complies with ISO 4144 and ASTM A-351 manufacturing standards
- Operates in temperatures ranging from -20°C to +220°C
- Ideal for closing off outlets or unused ports in pipe systems
- Suitable for industrial, marine, food-grade, and chemical installations
- Available in a broad range of sizes for versatile use

| Nominal Diameter (inch) | A (mm) | B (mm) | C (mm) | Weight (kg) |
| ⅛ | 16.5 | 10.5 | 6 | 0.009 |
| ¼ | 19 | 13 | 6 | 0.015 |
| ⅜ | 19 | 13 | 6 | 0.022 |
| ½ | 23 | 16 | 7 | 0.038 |
| ¾ | 25.5 | 17.5 | 8 | 0.056 |
| 1 | 28.5 | 20 | 8.5 | 0.083 |
| 1¼ | 30 | 21 | 9 | 0.125 |
| 1½ | 30.5 | 21 | 9.5 | 0.165 |
| 2 | 35 | 26 | 9 | 0.259 |
| 2½ | 40 | 30 | 10 | 0.471 |
| 3 | 44 | 33 | 11 | 0.597 |
| 4 | 48.5 | 36 | 12.5 | 1.069 |
