SS Convergence Bolt (M12,250mm)

Specifications & Features
Model: Bolt12-20-250-SS

Geomaster stainless steel Convergence Bolt with integrated bi-reflex Target (Retro-reflective Target Rebar Adapter) for surveying and geotechnical monitoring in humid, acidic tunnels, ensuring corrosion resistance,
long service life, and maintenance-free operation.

1. Key Specifications
1)Bolt Adapter: Leica-style Spigot M12
2)Rebar Diameter: 20mm
3)Overall Height: 250mm
4)N.W.: 600g
5)Material: Stainless Steel Rebar (SS)

2. Corrosion Resistance
Stainless steel rebar for superior corrosion resistance in humid and acidic tunnel environments; eliminates
the risk of sulfation and seizure associated with zinc alloy (antimony) components, ensuring long service life and maintenance-free operation.

3. Application
Ideal for tunnel convergence monitoring, structural deformation measurement, and geotechnical surveying
in civil engineering and construction projects.

4. Bolt Adapter
Leica-style Spigot M12, fixed and specifically designed for Leica surveying equipment (Prism Targets and
Bi-reflex Targets) with M12 socket, eliminating the need for a separate adapter.

5. Compatibility
1)Ideal for Geomaster Bi-reflex Targets GRT144-600 series.
2)Fits Geomaster Prism Holders & Targets and Mounting Sets, including GHP1, GHP3, GPR1, GPR113, GPR121,
and GHT112.
3)Compatible with all Leica-style surveying equipment (prism adapters and bi-reflex targets)
with M12 female socket.

6. Protective Cap
Supplied with a white PVC protective cap.
Note: Any updating would be subject to change without prior notice. Ground Anchor

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