Thorlabs PB4 pedestal base adapter

Product Description

Thorlabs PB4 Ø1.85″ Studded Pedestal Base Adapter

This rugged base adapter converts standard optical posts to stud-mounted configurations, providing enhanced stability for demanding applications.

Key Features:

• Studded Design: 1.85″ (47mm) diameter base with 1/4″-20 center stud

• Secure Mounting: (4) 8-32 counterbored holes for stable attachment

• Material: 6061-T6 aluminum with Type II anodization

• Compatibility: Accepts all Thorlabs 1/2″ and 1″ diameter posts

Technical Specifications:

• Base Diameter: 1.85″ (47mm)

• Threading: 1/4″-20 center stud (0.5″ length)

• Mounting Holes: (4) 8-32 on 1.5″ (38mm) bolt circle

• Height: 0.5″ (12.7mm)

Recommended Pairings:

• TR series posts for complete mounting solutions

• BA8 breadboard adapters for table mounting

Applications:

• Vibration-sensitive optical setups

• Heavy instrument mounting

• Industrial measurement systems

• Permanent lab installations