Stainless Steel Hexagon Reducing Bush
Useful Information
Technical Specification
- Material: Stainless Steel - CF8M (316)
- Connection Type: Hexagon reducing bush
- Standard: ISO 4144
- Thread Type: BSPT Male x BSPP Female
- Operating Temperature Range: -20°C to +220°C
- Manufacturing Standard: ASTM A-351
Description
Designed to reduce thread size while maintaining system integrity, this hexagon reducing bush enables quick and reliable connection between fittings of different diameters. Manufactured from high-quality 316 stainless steel (CF8M), it offers excellent corrosion resistance and long-term durability. With a BSPT male thread on the outside and a BSPP female thread internally, it ensures a tight seal for a wide range of industrial applications. The hexagonal shape provides easy grip for secure installation using standard tools.
Key Features & Benefits
- Reduces fitting size while maintaining a strong, leak-resistant joint
- BSPT male and BSPP female threads conform to recognised standards
- 316 stainless steel construction offers excellent resistance to corrosion and chemicals
- ISO 4144 compliant, manufactured under strict quality control systems
- Withstands temperatures from -20°C to +220°C
- Hexagonal body ensures easy installation with spanners or wrenches
- Ideal for use in pressure systems, pipelines, and fluid handling setups
- Available in a broad range of size combinations for system flexibility

| Nominal Diameter (inch) | A (mm) | B (mm) | Weight (kg) |
| ¼ x ⅛ | 12 | 6.5 | 0.013 |
| ⅜ x ¼ | 14 | 6.5 | 0.021 |
| ½ x ¼ | 16.5 | 7.5 | 0.035 |
| ½ x ⅜ | 17 | 7 | 0.031 |
| ¾ x ½ | 18 | 8 | 0.048 |
| 1 x ½ | 19 | 8 | 0.081 |
| 1 x ¾ | 19 | 8 | 0.067 |
| 1¼ x ½ | 20.5 | 9 | 0.143 |
| 1¼ x ¾ | 20.5 | 9.5 | 0.141 |
| 1¼ x 1 | 20.5 | 9.5 | 0.114 |
| 1½ x ¾ | 22 | 9 | 0.197 |
| 1½ x 1 | 22 | 9 | 0.176 |
| 1½ x 1¼ | 22 | 9 | 0.121 |
| 2 x 1 | 26 | 9 | 0.328 |
| 2 x 1¼ | 26 | 9 | 0.269 |
| 2 x 1½ | 26 | 9 | 0.228 |
| 2½ x 2 | 27 | 8 | 0.445 |
| 3 x 2 | 33 | 11 | 0.795 |
| 3 x 2½ | 33 | 11 | 0.589 |
| 4 x 2 | 36 | 12 | 1.492 |
| 4 x 3 | 36 | 12 | 1.203 |
