Q = Does the metal tip of the syringe fit into the 3-way taps SRG-450-100?
A = Yes, the metal tip does fit into the 3-way taps SRG-450-100. It forms a tight fit when pushed right in.
The narrow part of the metal end tapers from 4.0mm to 4.4mm approx.
Q = Do any of the hypodermic needles fit the tip of the glass syringes?
A = Yes, the needles fit all glass and plastic syringes except the gas syringe SRG-300-100. The ends of the syringes taper from approx. 4.0mm to 4.4mm