FEMALE ADAPTOR - 1/4"tube x 1/2"BSP(P) flat inside ORIGINAL DM FITTING PART NO. AFAB0407F

1/4" Water to 1/2" Female Adapter FI BSP Adaptor - Quick Easy Push Fit

1/4" (commonly referred to in the industry as 6mm) high pressure water filter tubing is the most common tubing used on most under sink water filter systems and fridge water filter lines.

Please Note: Thread size (in this case 3/4 inch) refers to the nominal bore of the pipe. Subtract approx. 1/4″ (6mm) from thread diameter measurement for nominal pipe size (in this case 1/2 inch).

No tools required - simply push pipe to connect.

Quick connect  1/4″ OD tubing to 1/2″ BSP Female Brass thread adaptor. 

CI450814FW, AFAB0407F

Thread Type and Size Chart

BSP size (British Standard Pipe)         

                        Actual Diameter Imperial        Actual Diameter Metric

1/8” BSP               0.35 inch                                     9 mm

1/4” BSP               1/2 inch                                      12 mm

3/8” BSP               6/10 inch                                    15 mm

1/2” BSP               3/4 inch                                      19 mm

3/4″ BSP               1 inch                                          25 mm

1”  BSP                  1 & 1/4 inch                               31 mm

1 & 1/4″ BSP        1 & 2/3 inch                                40 mm

1 & 1/2″ BSP        1 & 3/4 inch                                45 mm

2”  BSP                  2 & 1/4  inch                             57 mm

UNS size (Unified National Special)

                        Actual Diameter Imperial        Actual Diameter Metric

7/16” UNS             0.4375”                                     11 mm