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250 Series K-Arm Stainless Steel Spider Fitting for Point-Supported Glass Curtain Wall
The 250 series K-arm spider fitting is the core connector of point-supported glass curtain wall systems. Its K-claw design distributes structural loads evenly across adjacent glass panels, keeping the facade visually lightweight while providing reliable holding strength. Investment cast in SS304 or SS316 stainless steel, it is engineered as a repeatable node for facade grids where panels meet at a common point.
The K-arm configuration suits corner and junction points in the glazing grid, where two or three panel corners share one structural node. A threaded centre connection pairs the spider with standard routel fittings, so the same node can be used on curtain walls, canopies and structural glazing without special adaptors. The satin or mirror finish leaves a clean, uniform surface across the whole facade.
Key Features
- Material: SS304 / SS316 stainless steel, precision investment cast
- Design: K-arm, 250mm center distance
- Finish: Mirror polished or satin brushed, uniform and clean
- Quality: 100% inspected before shipment; material test certificates available on request
Specifications
- Series: 250 series K-arm spider configuration
- Center distance: 250mm
- Material options: SS304 or SS316 stainless steel
- Connection: Threaded centre for routel (RT) fittings
- Finish options: Mirror polished or satin brushed
Installation & Usage
The spider is fixed to the supporting structure through its back connection, and each glass corner is engaged with a routel fitting that threads into the arm. Fasteners are tightened after the panel grid is aligned, and gaskets are checked for even seating. Protective film is kept on polished faces during handling, and the stainless surfaces are cleaned on completion to remove construction residue.
Quality Assurance
Every 250 series spider fitting is 100% inspected before shipment for casting finish, thread integrity and center distance accuracy. Material test certificates are available on request.
Applications
- Point-supported glass curtain walls
- Glass canopies and skylights
- Structural glazing and glass balustrade systems
- Atrium, entrance and feature facade nodes
Customization & OEM
Custom center distances, arm lengths and finishes are available. Wholesale and OEM orders are welcome; send your facade drawings to request a quote, with matching routels and fixings supplied for the complete node.
