Brass bolt, head Ø 20 mm, length 70 mm, with centering Ø 3 x 3 mm (11D3-Z)
Shipping
1-3 days delivery
Key Features
- Professional brass survey bolt with precision centering point
- 20mm diameter head
- 70mm overall length
- 3 × 3mm integrated centering point
- Manufactured from corrosion-resistant brass
- Extended shank for maximum anchorage and stability
- Designed for permanent survey control points
- Suitable for precise total station and prism positioning
- Durable construction for long-term outdoor installations
- Ideal for surveying, construction and civil engineering applications
Technical Specifications
- Product Type: Brass Survey Bolt
- Material: Brass
- Head Diameter: 20mm
- Length: 70mm
- Centering: 3 × 3mm
- Application: Permanent survey control marker
- Installation: Concrete, masonry and other suitable solid surfaces
- Suitable for: Indoor and outdoor use
Product Overview
The Brass Survey Bolt Ø20mm × 70mm with 3 × 3mm Centering Point is a professional survey control marker designed for establishing permanent, high-precision reference points in surveying, construction and civil engineering projects. Manufactured from corrosion-resistant brass, it provides exceptional durability and long-term reliability in demanding outdoor environments.
Featuring a 20mm diameter head, 70mm overall length and an integrated 3 × 3mm centering point, this survey bolt enables precise positioning of total stations, prisms and other surveying equipment over a fixed reference point. The extended 70mm shank provides superior anchorage in concrete, masonry and other solid substrates, making it particularly suitable for permanent installations where maximum stability is required.