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Thorlabs ER90B Thorlabs ER90B — Fixed 90° Bracket, Ø6 mm Bore and 4-40 Taps
Reference imageConfirm configuration by manufacturer part number.

Thorlabs

ER90B

Thorlabs ER90B — Fixed 90° Bracket, Ø6 mm Bore and 4-40 Taps

The Thorlabs ER90B is a fixed 90-degree bracket featuring a Ø6 mm bore and 4-40 taps, originally released on September 21, 2004. This component reached its discontinued lifecycle status on November 3, 2022, and has been officially replaced by model ER90BA. Submit the exact part number, quantity, and application requirements for a quote on available inventory.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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Why no listed price?

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.

Manufacturer
Thorlabs
Part number
ER90B
Product series
Fixed 90° Bracket, Ø6 mm Bore and 4-40 Taps
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to ER90B.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Product Name
Fixed 90° Bracket, Ø6 mm Bore and 4-40 Taps
Lifecycle Status
Discontinued
This item has been replaced by ER90BA .
View its last web presentation.
Last Web Presentation
Open
Release Date
September 21, 2004
Discontinued Date
November 3, 2022
Official Replacement Model
ER90BA

Engineering context

Identification and RFQ Guidance

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.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Thorlabs ER90B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.