Description
Hollaender 3-7 Elbow (1-1/4″ IPS) – Aluminum Magnesium Pipe Fitting
The Hollaender 3-7 Elbow is a reliable and cost-effective fitting designed for building durable DIY raft frames. Made from a corrosion-resistant aluminum-magnesium alloy, it provides solid performance in river environments while helping keep overall build costs down.
This fitting is fully compatible with standard 1-1/4″ IPS pipe and works well in combination with SRC raft frame fittings and other modular systems. It is an excellent choice for builders looking to balance strength, adjustability, and price.
Key Features
- Aluminum-magnesium construction for strength and corrosion resistance
- Fits standard 1-1/4″ IPS pipe used in most raft frames
- Compatible with SRC and other modular pipe fitting systems
- Budget-friendly option for DIY frame builders
Why Use This Fitting
Building a custom raft frame can get expensive quickly. The Hollaender 3-7 Elbow provides a practical way to reduce costs without sacrificing structural integrity. It is especially effective when used in a hybrid setup, combining value-focused fittings with premium components in high-stress areas.
Common Applications
- Corner joints in side rails
- Angled frame connections
- Hybrid raft frame builds
Specifications
- Size: 1-1/4″ IPS
- Material: Aluminum-magnesium alloy
- Fitting Type: 3-7 Elbow
- System Compatibility: Speed-Rail (SRC) and similar systems
Build Tip
For best results, use these fittings in lower-stress joints and combine them with fully adjustable fittings in key load areas to create a strong and cost-efficient frame.
Note: This product links to an external retailer. Price and availability may vary.



