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- Miniature optical posts and accessories for building space-limited systems
- Ø6 mm stainless steel optical post, side through-hole provides greater fastening torque
- Ø6 mm post holder, extra-wide square relief groove, double-line contact prevents optical post slippage
- Ø12 mm optical post base with base design, compatible with LBTEK's PHA series miniature fork blocks
- 303 stainless steel with sandblasting and passivation surface treatment;
- M3 tapped hole at the top and M6 tapped hole at the bottom;
- Side Ø2.4 mm through-hole;
The Ø12mm optical post with base from LBTEK features an M3 tapped hole at the top, equipped with a removable M3×8 stud, compatible with most optical component mounts. The base-mounted design incorporates an M6 tapped hole at the bottom, compatible with LBTEK PHA-16S mini clamping fork for rapid fixation on optical tables or breadboards. A Ø2.4 mm through-hole on the post is provided to enhance torque during component tightening. The purchase comes with one M3×8 socket set screw. Available in 5-piece packages.
The OP1A-XXB3 series and PHA-16S are paired for application to 16 mm coaxial optical systems.
Product Model | Outer diameter | Length | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|---|
 | OP1A-50B3-P5 | Ø12 mm | 50 mm | 5 pieces | $57.92 | today | Add Cart | ||
| OP1A-50B3 | Ø12 mm | 50 mm | 1 piece | $12.81 | today | Add Cart | ||
| OP1A-38B3-P5 | Ø12 mm | 38 mm | 5 pieces | $54.13 | today | Add Cart | ||
| OP1A-38B3 | Ø12 mm | 38 mm | 1 piece | $11.37 | today | Add Cart | ||
| OP1A-25B3-P5 | Ø12 mm | 25 mm | 5 pieces | $47.72 | today | Add Cart | ||
| OP1A-25B3 | Ø12 mm | 25 mm | 1 piece | $10.07 | today | Add Cart | ||
| OP1A-20B3-P5 | Ø12 mm | 20 mm | 5 pieces | $35.69 | today | Add Cart | ||
| OP1A-20B3 | Ø12 mm | 20 mm | 1 piece | $7.58 | today | Add Cart |
- Compatible with Ø12 mm optical post with base series;
- Waist-type slot length: 16 mm;
- Clamping diameter: 14.2 mm;
- 5-piece package available;
The mini clamping fork from LBTEK has a clamping diameter of Ø14.2 mm and is typically used with Ø12 mm optical posts with base or Ø6 mm flexible post holders. Its three-point contact provides stable clamping force, and the integrated design ensures high rigidity. The PHA-16B3 and PHA-16B4 are constructed from black-anodized 6061-T6 aluminum alloy, while the PHA-16S is fabricated from precipitation-hardened 316L stainless steel to deliver uniform clamping force. The PHA-16B3, PHA-16B4, and PHA-16S are compatible with M3, M4, and M6 socket head cap screws respectively. The 16 mm waist-shaped slot enables 360° rotation around the base for convenient selection of mounting holes. Each clamping fork includes a spacer on the bottom surface to enhance stability when securing posts or post holders with corresponding socket head cap screws. Note: Applying excessive tightening force may induce surface deformation on optical tables, potentially resulting in component misalignment and stability degradation.
The PHA series clamping forks are suitable for fixing Ø12 mm optical posts with bases.
Product Model | Applicable screw specifications | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|
| PHA-16B3 | M3 Socket Head Cap Screw + Ø3 mm Flat Spacer | 1 piece | $13.20 | today | Add Cart | ||
| PHA-16B3-P5 | M3 Socket Head Cap Screw + Ø3 mm Flat Spacer | 5 pieces | $63.41 | today | Add Cart | ||
| PHA-16B4 | M4 Socket Head Cap Screw + Ø4 mm Flat Spacer | 1 piece | $12.81 | today | Add Cart | ||
| PHA-16B4-P5 | M4 Socket Head Cap Screw + Ø4 mm Flat Spacer | 5 pieces | $63.41 | today | Add Cart | ||
| PHA-16S | M6 Socket Head Cap Screw + Ø6 mm Flat Spacer | 1 | $6.41 | today | Add Cart | ||
| PHA-16S-P5 | M6 Socket Head Cap Screw + Ø6 mm Flat Spacer | 5 | $30.07 | today | Add Cart |
- The bottom with M3 tapped hole, the top with removable M3 × 6 screw;
- Ø2.4 mm through-hole;
- Available in 5 lengths: 13 mm, 25 mm, 38 mm, 50 mm, 75 mm;
- Optional 5 pieces per pack;
The optical post from LBTEK is manufactured from non-magnetic 303 stainless steel with precision polishing. The post features an M3 tapped hole at the bottom and a removable M3 stud at the top. There is a Ø2.4 mm through-hole on the side, which provides greater torque when tightening components. The Ø6 mm stainless steel optical post is directly compatible with Ø6 mm post holder.
The OP05-XXB3-series post is mounted on the MPH-series post holder.
Product Model | Length | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|
| OP05-13B3-P5 | 13 mm | 5 pieces | $22.75 | today | Add Cart | ||
| OP05-13B3 | 13 mm | 1 piece | $4.84 | today | Add Cart | ||
| OP05-25B3-P5 | 25 mm | 5 pieces | $23.93 | today | Add Cart | ||
| OP05-25B3 | 25 mm | 1 piece | $5.10 | today | Add Cart | ||
| OP05-38B3-P5 | 38 mm | 5 pieces | $25.23 | today | Add Cart | ||
| OP05-38B3 | 38 mm | 1 piece | $5.36 | today | Add Cart | ||
| OP05-50B3-P5 | 50 mm | 5 pieces | $26.54 | today | Add Cart | ||
| OP05-50B3 | 50 mm | 1 piece | $5.36 | today | Add Cart | ||
| OP05-75B3-P5 | 75 mm | 5 pieces | $28.24 | today | Add Cart | ||
| OP05-75B3 | 75 mm | 1 piece | $5.75 | today | Add Cart |
- 360° rotation base with M6 mounting slots;
- Ultra-wide square groove, dual-line contact prevents optical post sliding;
- Knurled aluminum thumb screw with 2.5 mm hex for securing post;
The Ø6 mm post holder from LBTEK features a rotation base with countersunk slots and M6 head cap screws, providing 360° rotation base for maximum flexibility when mounting components on optical platforms. For height adjustment, the holder base incorporates a through-hole that post allows full bottom through-access, meeting minimum beam height requirements.
Ø6 mm stainless steel optical post mounted on a Ø6 mm post holder.
Product Model | Length | Installation Slot Specifications | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|---|
| MPH05-20B6-P5 Upgrade | 20 mm | M6 | 5 pieces | $117.54 | today | Add Cart | ||
| MPH05-20B6 Upgrade | 20 mm | M6 | 1 piece | $25.36 | today | Add Cart | ||
| MPH05-25B6-P5 Upgrade | 25 mm | M6 | 5 pieces | $121.59 | today | Add Cart | ||
| MPH05-25B6 Upgrade | 25 mm | M6 | 1 piece | $26.15 | today | Add Cart | ||
| MPH05-38B6-P5 Upgrade | 38 mm | M6 | 5 pieces | $130.48 | today | Add Cart | ||
| MPH05-38B6 Upgrade | 38 mm | M6 | 1 piece | $27.98 | today | Add Cart | ||
| MPH05-50B6-P5 Upgrade | 50 mm | M6 | 5 pieces | $138.72 | today | Add Cart | ||
| MPH05-50B6 Upgrade | 50 mm | M6 | 1 piece | $29.81 | today | Add Cart | ||
| MPH05-75B6-P5 Upgrade | 75 mm | M6 | 5 pieces | $155.06 | 4 weeks | Add Cart | ||
| MPH05-75B6 Upgrade | 75 mm | M6 | 1 piece | $33.34 | today | Add Cart |
- Male compatible mount-type FPH05-series post holder;
- Ø6 mm through hole, posts can fully pass through to the base of the post holder, meeting minimum beam height requirements;
The PRA1 post holder base from LBTEK is designed for the FPH05 series flexible post holders. It can be directly threaded into the bottom of FPH05 series flexible post holders and features a length 17.7 mm M4 mounting slot for post holder attachment. The base includes a Ø6 mm through-hole at its center, allowing full bottom through-access, meeting minimum beam height requirements.
PRA1 base is threaded into the FPH05-50 post holder.
Product Model | Installation Slot Specifications | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|
| PRA1-P5 | M4 | 5 | $66.02 | today | Add Cart | ||
| PRA1 | M4 | 1 | $14.25 | today | Add Cart |
- Base-type design for holder clamping fork;
- With 360° rotation flexible clamping block for fixing post;
- Ultra-wide square groove, dual-line contact prevents optical post sliding;
The Ø6 mm flexible post holder from LBTEK features a 360° rotatable flexible clamp block, enabling installation or removal of set screws from any direction when mounting two posts side-by-side. First, secure the vertical displacement of the post, then lock the rotation of the flexible clamp block, enabling fine adjustment of rotation after height fixation. Once the set screw is fully tightened, the flexible clamping block becomes non-rotatable. For height adjustment, the holder base incorporates a through-hole that post allows full bottom through-access, meeting minimum beam height requirements.
Ø6 mm stainless steel optical post mounted on a Ø6 mm flexible post holder.
Product Model | Length | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|
| FPH05-25-P5 | 25 mm | 5 pieces | $97.14 | today | Add Cart | ||
| FPH05-25 | 25 mm | 1 piece | $20.79 | today | Add Cart | ||
| FPH05-50-P5 | 50 mm | 5 pieces | $108.38 | today | Add Cart | ||
| FPH05-50 | 50 mm | 1 piece | $23.27 | today | Add Cart | ||
| FPH05-75-P5 | 75 mm | 5 pieces | $111.91 | today | Add Cart | ||
| FPH05-75 | 75 mm | 1 piece | $24.06 | today | Add Cart |
- 360° rotation base with M3 mounting slots;
- Ultra-wide square groove, dual-line contact prevents optical post sliding;
- Knurled aluminum thumb screw with 2.5 mm hex for securing post;
The Ø6 mm post holder from LBTEK features a rotation base with countersunk slots and M3 head cap screws, providing 360° rotation base for maximum flexibility when mounting components on optical platforms. For height adjustment, the holder base incorporates a through-hole that post allows full bottom through-access, meeting minimum beam height requirements.
Ø6 mm stainless steel optical post mounted on a Ø6 mm post holder.
Product Model | Length | Installation Slot Specifications | Quantity | File | Unit Price | Compare | Lead Time | ||
|---|---|---|---|---|---|---|---|---|---|
| MPH05-20B3-P5 Upgrade | 20 mm | M3 | 5 pieces | $117.54 | today | Add Cart | ||
| MPH05-20B3 Upgrade | 20 mm | M3 | 1 piece | $25.36 | today | Add Cart | ||
| MPH05-25B3-P5 Upgrade | 25 mm | M3 | 5 pieces | $121.59 | today | Add Cart | ||
| MPH05-25B3 Upgrade | 25 mm | M3 | 1 piece | $26.15 | today | Add Cart | ||
| MPH05-38B3-P5 Upgrade | 38 mm | M3 | 5 pieces | $130.48 | today | Add Cart | ||
| MPH05-38B3 Upgrade | 38 mm | M3 | 1 piece | $27.98 | today | Add Cart | ||
| MPH05-50B3-P5 Upgrade | 50 mm | M3 | 5 pieces | $138.72 | today | Add Cart | ||
| MPH05-50B3 Upgrade | 50 mm | M3 | 1 piece | $29.81 | today | Add Cart | ||
| MPH05-75B3-P5 Upgrade | 75 mm | M3 | 5 pieces | $155.06 | today | Add Cart | ||
| MPH05-75B3 Upgrade | 75 mm | M3 | 1 piece | $33.34 | today | Add Cart |
Email: support@lbtek.com
Tel: 400-060-6986 (Mon-Sun 9:00-18:00)
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