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 54029 is an English Imperial tap featuring a 0-80 thread, released on March 18, 2016, and officially discontinued on September 25, 2019, with last web presentation status noted as open. This discontinued component has been directly replaced by model TAP080. Submit a Request for Quote (RFQ) detailing the exact part number, required quantity, and application specifications.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
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 54029. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.