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 with an M20.5 x 0.5 thread, identified by part number 29453, was released on July 23, 2019, and subsequently discontinued on September 25, 2019. This component has been officially superseded by replacement model TAPM20505. Please submit the exact part number, quantity, and application requirements to request a quote.
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 29453. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.