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 151-411ST-H is a 50 mm travel micrometer head featuring 10 µm graduations, a spherical tip, and a 2 mm hex. Released on September 12, 2013, this unit is currently classified under a discontinued lifecycle status with an open last web presentation. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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 151-411ST-H. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.