A complete threaded ground-glass joint.

Figure 1.A complete threaded ground-glass joint.

It consists of an externally threaded female ground-glass standard taper joint and a corresponding male joint with threaded plastic nut.

Figure 2.It consists of an externally threaded female ground-glass standard taper joint and a corresponding male joint with threaded plastic nut.

A plastic retaining ring loosens the joint for safe disassembly.

Figure 3.A plastic retaining ring loosens the joint for safe disassembly.

The threaded plastic nut secures the joint without the use of clamps.

Figure 4.The threaded plastic nut secures the joint without the use of clamps.

The O-ring seals above the ground-glass joint, eliminating the need for grease on the joint.

Figure 5.The O-ring seals above the ground-glass joint, eliminating the need for grease on the joint.