Product Information

Professional Prism-to-Pole Connection System

Name: GAD31-M Screw-to-Stub and Lock Adapter for Leica TS
Brand: Metricop
SKU: MA17
Price: 160.00 USD
Availability: InStock

The GAD31-M adapter bridges the gap between standard 5/8" threaded prisms and Leica stub-mounted poles, delivering a rock-solid connection system for precision surveying professionals who demand reliability in critical measurement applications.

Secure Mounting Technology

Engineered with precision threading and robust materials, this adapter creates a permanent-grade connection between your prism and pole system. The anti-rotation lock mechanism eliminates the frustration of loosening connections during extended field sessions, ensuring your measurements remain accurate from first setup to final reading.

Universal Compatibility

Designed specifically for Leica ecosystem integration, the GAD31-M seamlessly connects any standard 5/8" threaded prism to Leica-compatible poles and carriers. This versatility means you can leverage existing prism investments while upgrading to Leica's precision pole systems, maximizing equipment utility across projects.

Key Professional Advantages

•Anti-rotation lock prevents equipment drift during long observation sessions
•Precision-machined threads ensure consistent, wobble-free prism positioning
•Durable construction withstands harsh field conditions and repeated use
•Compact profile adds minimal weight and bulk to your pole system
•Quick-connect design speeds up field setup and equipment changes

Model: GAD31-M
Thread: 5/8 inch (Standard prism fitting)
Mount: Leica Stub
Lock: Additional lock to stop rotation
Compatibility: Leica MPR122 prism

Features :

5/8" Thread Compatibility

Securely mounts standard 5/8" threaded prisms to Leica stub systems

Anti-Rotation Lock

Additional locking mechanism prevents unwanted rotation during measurements

Leica System Integration

Direct compatibility with Leica TS poles and carrier systems

Field-Proven Durability

Engineered for reliable performance in harsh surveying environments

MPR122 Optimized

Specifically designed for seamless integration with Leica MPR122 prisms

Quick Setup Design

Streamlined installation process minimizes setup time in the field

Precision Mounting

Ensures accurate prism positioning for optimal measurement results

Professional Grade

Manufactured to meet demanding surveying industry standards

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Reviews :

4.8/5

★★★★★

Based on verified reviews

★★★★★

Michael Rodriguez

Senior Land Surveyor · Verified Purchase

Perfect Compatibility with Leica Systems

The GAD31-M adapter integrates seamlessly with our Leica TS16 total station setup. The anti-rotation lock mechanism provides exceptional stability during long measurement sessions, eliminating the micro-movements that can compromise accuracy. Build quality is outstanding with precision-machined threads that engage smoothly every time.

★★★★★

Sarah Chen

Field Operations Manager · Verified Purchase

Reliable Field Performance

After six months of daily field use, this adapter shows no signs of wear or loosening. The secure mounting system has significantly reduced setup time for our survey crews. The lock mechanism engages positively and holds firm even in challenging weather conditions.

★★★★★

David Thompson

Chief Surveyor · Verified Purchase

Essential Precision Tool

The GAD31-M has become indispensable for our boundary surveys requiring maximum accuracy. The anti-rotation feature prevents prism drift during extended observations, maintaining consistent readings throughout the day. Metricop's engineering attention to detail is evident in every aspect of this adapter.

★★★★☆

James Mitchell

Survey Technician · Verified Purchase

Solid Construction, Minor Setup Learning Curve

Excellent build quality and the lock mechanism works as advertised for preventing rotation during measurements. Initial setup required familiarization with the locking sequence, but once mastered, it's straightforward. The adapter has performed flawlessly across various terrain conditions and weather scenarios.

★★★★★

Lisa Anderson

Project Surveyor · Verified Purchase

Outstanding Value for Professional Use

This adapter delivers professional-grade performance at a competitive price point. The precision threading ensures consistent prism alignment, while the lock system provides confidence during critical measurements. Highly recommended for any surveying operation utilizing Leica total stations with standard 5/8" prisms.

What's in the Box

Everything you need to get started.

✓ 1× GAD31-M Screw-to-Stub and Lock Adapter

Note: Prisms, poles, and carriers sold separately.

Frequently Asked Questions

General

✓ Is the GAD31-M compatible with all Leica total stations? ▾

Yes, the GAD31-M is designed to work with all Leica TS series total stations and other instruments that utilize the standard Leica stub connection system. It provides a secure interface between your 5/8" threaded prisms and Leica-compatible poles.

✓ What is the anti-rotation lock feature and how does it work? ▾

The anti-rotation lock prevents the prism from rotating during measurements, ensuring consistent positioning and improved accuracy. This mechanism locks the adapter to the stub connection, eliminating potential measurement errors caused by prism movement during surveying operations.

✓ Can I use this adapter with non-Leica prisms? ▾

Yes, the GAD31-M accepts any prism or target with a standard 5/8"-11 thread, regardless of manufacturer. This universal threading compatibility makes it suitable for use with prisms from various suppliers while maintaining the secure Leica stub connection.

✓ What materials is the GAD31-M constructed from? ▾

The GAD31-M is manufactured from high-grade aluminum alloy with precision-machined threads and connection points. This construction provides durability for field conditions while maintaining the lightweight characteristics essential for surveying equipment. The anodized finish resists corrosion and wear.

✓ Is installation and removal difficult in field conditions? ▾

No, the GAD31-M features a user-friendly design that allows for quick installation and removal without tools. The secure locking mechanism can be engaged and disengaged easily, even while wearing gloves, making it practical for various field conditions and rapid setup requirements.

Still have questions? Contact our technical support team.

Shipping:

Origin: We fulfill orders from our global logistics network / production centers.
Typical delivery times:
- US & EU: 7–12 business days
- Global: 10–15 business days
Tracking: Every shipment includes end-to-end tracking.
Duties & taxes: Calculated at checkout where available, or payable upon import per local rules.
Dispatch time: Usually 1–3 business days after order confirmation (we’ll notify you if an item needs extra prep).
Partial shipments: If a multi-item order is ready in stages, we may ship available items first.

Returns:

Return window: 14 days from delivery for unused items in original packaging (exceptions: consumables and custom builds).
Return address: We’ll provide a regional return address when you open an RMA (US or EU where applicable).
Refunds: Processed within 5–7 business days after inspection.
Exchanges: Fast replacement dispatch once the RMA is approved.

Warranty & Service:

Coverage: All instruments include manufacturer warranty.
Support: Remote onboarding (setup call + quick-start materials) and priority email support.
Repairs & calibration: We coordinate with authorized service partners as needed.

Support

Manufacturer warranty: All instruments include official warranty per brand policy.
Remote onboarding: We help you get started—video call + setup checklist + quick-start PDF.
Technical support: Priority email response; diagnostic help for connectivity, firmware, and workflows.
Repairs & calibration: We route service through authorized partners; we’ll coordinate logistics and keep you updated.

FAQ

Q: Where are you located?
A: Metricop is a specialized online store registered in the US & EU. We ship globally with tracking.

Q: Where do you ship from?
A: From our global logistics network / production centers. Typical delivery for US/EU is 7–12 business days (global 10–15).

Q: Do you offer warranty?
A: Yes - manufacturer warranty on all instruments. We also provide remote onboarding and coordinate service with authorized partners.

Q: How do returns work?
A: Start an RMA within 14 days of delivery. We’ll provide a regional return address (US/EU where applicable).

Q: Can I get a formal quote?
A: Yes - use Request for Quote. We typically reply within 2 business hours.

Q: Payment methods?
A: Major cards and bank transfer. For business purchases we provide tax-compliant invoices.

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