AE
Email: sales@boninscaffolding.com
WhatsApp: +86 136 4619 6162
AE
Email: sales@boninscaffolding.com
WhatsApp: +86 136 4619 6162








Items: Pressed 3MM Swivel Coupler
Size: 48.3*48.3
Type: YH112
Standard: JIS
Surface: EP
Suitable For: Japan Korea
Contact us today to get a quote or to discuss your custom requirements. We supply reliable scaffolding parts for projects of any scale.
The Bonin Type YH112 is a JIS Standard Pressed Swivel Coupler (Universal Clamp). Crafted from 3.0mm high-grade steel, it allows for 360-degree rotation, making it essential for diagonal bracing and flexible connections. Engineered with a smooth-rotating rivet and durable Electro Plated (EP) finish, specifically for the Japanese and South Korean scaffolding sectors.
Type: JIS Universal Clamp (Swivel)
Standard: JIS A 8951 Compliant
Tube Fit: 48.3mm / 48.6mm
Finish: EP (Yellow/Rainbow or White)
Key Features for Asian Markets:
Perfect Fit for 48.6mm Tubes: Designed with precise geometry to grip standard JIS 48.6mm OD pipes securely without slipping or damaging the tube surface. Also compatible with standard 48.3mm tubes.
Smooth Rotation (High-Quality Rivet): The core of the YH112 is its central rivet. We use a high-strength riveting process that ensures the coupler rotates smoothly for easy installation while maintaining high shear strength to meet JIS safety requirements.
Clean & Durable EP Finish: Available in the popular Rainbow (Yellow Chromate) or White Zinc plating. Our Electro Plating process ensures a bright, consistent finish free from dark spots, providing excellent rust protection for rigorous construction environments in Tokyo, Osaka, and Seoul.
Safety First (Deburred Edges): All pressed edges are carefully deburred to prevent cuts and injuries to workers, aligning with the strict safety culture of Japanese construction sites.
Applications:
Diagonal Bracing (Suisuji) installation
Connecting non-rectangular sections
Temporary Fencing and Enclosure support
Q: What is the difference between YH110 and YH112?
A: YH110 is a Fixed (Double) Coupler for 90-degree connections. YH112 is a Swivel (Universal) Coupler that rotates 360 degrees, used for diagonal braces. In Japan, they are often referred to as “Chokko” (Fixed) and “Jizai” (Swivel).
Q: Is the plating durable enough for outdoor use?
A: Yes, our Electro Plating (EP) involves a passivation process (Chromating) that provides good corrosion resistance for typical construction durations. For long-term permanent structures near the sea, we can also offer Hot Dip Galvanized options upon request.
Q: Can I mix Yellow and White zinc in one container?
A: Yes, we can accommodate mixed orders. Please specify the quantity for each color (e.g., 10,000 pcs Yellow, 5,000 pcs White) when placing your order.