SF Type Socket and Female Thread Hi Cupla – Nitto
From factory air line to pneumatic tool connection, available in various body materials, sizes and end configurations. Excellent durability.
- An excellent general purpose coupling for connecting factory air supply to pneumatic tools.
- Steel coupling is suitable for air. Brass or stainless steel is suitable for water. Note that fluid will come out from the plug when disconnected.
- Critical structural parts of steel models are heat-treated for increased strength giving greater durability and resistance to wear.
- Available in various body materials, sizes and end configurations applicable to a wide range of applications.
| Model | Application | Mass (g) Steel | Mass (g) Brass | Mass (g) S/Steel | L (mm) | øD (mm) | H (WAF) | T (mm) |
| 20SF | R 1/4 | 97 | 101 | 94 | (49.5) | (26.5) *1 | Hex.19 | Rc 1/4 |
| 30SF | R 3/8 | 98 | 103 | 95 | (50.5) | (26.5) *1 | Hex.21 | Rc 3/8 |
| 40SF | R 1/2 | 136 | 146 | 136 | (52.5) | (26.5) *1 | Hex.29 | Rc 1/2 |
| 400SF | R 1/2 | 216 | 233 | 215 | (57) | 35 | Hex.29 | Rc 1/2 |
| 600SF | R 3/4 | 259 | 277 | 257 | (61) | 35 | Hex.35 | Rc 3/4 |
| 800SF | R 1 | 327 | 361 | 327 | (68) | 35 | Hex.41 | Rc 1 |
*1 : D = 25.4 for brass and stainless steel models.
Not suitable for vacuum application in either connected or disconnected condition.
Fluid must run form socket to plug.

