Draper Male Screw Tailpieces - 1/4" Taper 3/8" Bore

BSP Taper (British Standard Pipe Taper) is a common thread form used for mechanical joints and pipe fittings. The taper helps to create a seal as the threads are tightened.

These are screw-type tailpieces, not quick-connect. They screw into compatible female fittings, which may then be part of a quick-connect system or a direct hose connection.

The 'bore' refers to the internal diameter of the tailpiece through which air passes. A 3/8" bore allows for a larger volume of air to flow compared to smaller bores, minimizing pressure loss.

This pack contains five Draper male screw tailpieces.

These tailpieces are designed for pneumatic (air) systems. While BSP threads can be used for water, the specific design and material might not be optimal or rated for all water pressure and fluid types.

The larger 3/8" bore allows for higher air volume transfer, which is beneficial for tools that require a lot of air to operate efficiently, such as impact wrenches or large grinders.

Ensure the male tailpiece and female coupling are clean and free of debris. Check that the thread is properly seated and tightened. For persistent leaks, consider applying a thread sealant suitable for pneumatic applications, though typically the taper thread forms its own seal.

Verify that you are using the correct thread type (1/4" BSP Taper). Ensure there is no cross-threading. Clean both the male and female threads before attempting to connect again.

Confirm the 3/8" bore is not obstructed. Check that the connection is fully seated and not restricted by an incompatible or damaged female fitting.