

Ø25 mm Optical Post with Base OP1B-200B4
OP1B-200B4Design Tools
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Ø25 mm Optical Post with Base — Model OP1B-200B4
✔ In Stock — Ships Today
The optical post with base from LBTEK is manufactured from non-magnetic 303 stainless steel with sandblasted and passivated surface treatment. Except for the OP1B-12.5B4, all posts feature an M6 tapped hole at the bottom and an M4 tapped hole at the top. Two Ø2 location pins at the top ensure precise installation, while a Ø6mm lateral through-hole enables greater torque during components tightening. The purchase comes with one M4×12 socket set screw.
Key Features
- Top M4 tapped hole, bottom M6 tapped hole (OP1B-12.5B4 features M4 through- hole);
- Length over 20 mm with Ø6 mm through-hole;
- Length options range from 12.5 mm to 300 mm;
- One M4×12 socket set screw is included;
Application
Ø6 mm lateral through-hole for installation tightening/loosening
| Parallelism | <20 um |






