Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Thorlabs
The Thorlabs metric tap features an M4.5 x 0.5 thread specification and was originally released on September 20, 2001. This component reached its discontinued date on September 23, 2019, and has been officially replaced by model TAPM4505. Please submit your exact part number, quantity, and application requirements to request a quote for available inventory.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs 99833. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.