K2 SingleRail Climber HangerBolt 12x300 Stainless Steel A2 M12 300mm Pitched Roof Mounting

Engineered from corrosion-resistant A2 stainless steel, this M12 hanger bolt delivers a rock-solid dual-thread fastening solution for pitched-roof solar installations. Its 300 mm length and aggressive wood thread bite deep into roof battens, while the metric M12 thread provides a precise, secure anchor for module clamps. Whether you're working with tile, slate, corrugated metal, or trapezoidal profiles, this bolt is built to hold firm in all climates.

Overview

The K2 SingleRail Climber HangerBolt 12x300 is a specialized fastener for the K2 SingleRail mounting system. It combines a hexagonal drive for easy installation with height adjustability to accommodate varying batten heights. The included EPDM sealing washer ensures a watertight seal, and three stainless steel M12 nuts complete the assembly. TÜV Rheinland certification backs its reliability for long-term outdoor use.

What stands out

• Dual-thread design: M12 metric thread for module attachment and aggressive wood thread for secure anchoring into roof battens.
• Stainless steel A2 (V2A) construction offers excellent corrosion resistance, suitable for outdoor use in all climates.
• Includes 3 stainless steel M12 nuts and an EPDM sealing washer for watertight installation.
• Height adjustable to ensure optimal module alignment on uneven roof surfaces.
• Part of the K2 SingleRail Climber series, known for reliability and compliance with TÜV Rheinland standards.

Technical details

• Fastener type: Hanger bolt
• Thread diameter: M12
• Total length: 300 mm
• Material: Stainless steel A2 (V2A)
• Roof application: Pitched roofs (tile, slate, corrugated, trapezoidal)
• Compatible mounting system: K2 SingleRail System
• Included components: 3x M12 nuts (stainless steel), 1x EPDM sealing washer
• Installation drive: Hexagonal
• Adjustability: Height adjustable
• Thread type: Metric (M12) and wood thread
• Head type: Hexagonal
• Manufacturer series: SingleRail Climber
• Certification: TÜV Rheinland
• UV resistance: Yes (EPDM washer)

Our verdict

For installers who demand durability and precision on pitched roofs, the K2 SingleRail Climber HangerBolt 12x300 is a top-tier choice. Its stainless steel build and dual-thread engineering ensure a secure, long-lasting mount, while the height-adjustable design simplifies alignment on uneven surfaces. Backed by TÜV Rheinland, it's a reliable component for any K2 SingleRail system.