Description
Wichard Watertight U-Bolt 8mm Black | Boat Supply Store
Eliminate potential leak paths and ensure structural integrity with the Wichard Black Watertight U-Bolt, engineered for the harsh marine environment. This 8mm (5/16") U-bolt features a drop-forged 316L stainless steel construction providing a substantial 5290 lb (2400 kg) working load and an exceptional 10580 lb (4800 kg) breaking load. Its integrated black rubber collar guarantees a watertight seal without the need for supplemental sealants, making it ideal for deck penetrations on offshore fishing vessels operating in the Gulf of Mexico.
Key Features
- Superior Strength with fully drop-forged 316L stainless steel construction
- Guaranteed Watertightness via an integrated, resistant black rubber collar
- Simplified Installation eliminating the need for external waterproof sealants
- Exceptional Load Ratings offering 5290 lb working and 10580 lb breaking strength
- Corrosion Resistance inherent to high-quality 316L marine-grade stainless steel
- Immediate Usability with included bolts and counter-plate
- Reduced Maintenance by preventing water ingress into deck structures
- Reliable Performance in demanding sailing and powerboat applications
Specifications
| Product Specifications | |
|---|---|
| Diameter | 8mm (5/16") |
| Length | 100mm (3-15/16") |
| Material | 316L Stainless Steel with black rubber collar |
| Working Load | 5290 lb (2400 kg) |
| Breaking Load | 10580 lb (4800 kg) |
| Max Tightening Torque | 18 nm |
| Included Components | Bolts and counter-plate |
Who This Is For
Sailors, boat owners, and marine professionals requiring robust, watertight, and corrosion-resistant fastening solutions for various rigging and accessory applications. This product is specifically designed for those who demand superior reliability and ease of installation in challenging marine environments.
How It Compares
| Feature | Wichard Watertight U-Bolt 8mm Black | Ronstan U |
|---|---|---|
| Watertight Collar | Yes (Integrated Rubber) | No | No |
| Material | 316L Stainless Steel | 316 Stainless Steel | 316 Stainless Steel |
| Diameter | 8mm (5/16") | — |
| Length | 100mm (3-15/16") | — |
| Working Load | 5290 lb (2400 kg) | null | null |
| Breaking Load | 10580 lb (4800 kg) | null | null |
| Max Tightening Torque | 18 nm | null | null |
| Includes Bolts and Counter-plate | Yes | null | null |
Common Concerns Answered
Is the price higher than standard U-bolts?
The Wichard Black Watertight U-Bolt is priced competitively for its premium features. While it may be a higher initial investment than non-watertight alternatives, the integrated watertight seal and superior 316L stainless steel construction provide long-term value and prevent costly water damage.
What is the difference between Working Load (WL) and Breaking Load (BL)?
Working Load (WL) represents the maximum load the U-bolt is designed to handle safely in normal operation, which is 5290 lb (2400 kg). Breaking Load (BL) is the load at which the U-bolt is expected to fail, a significantly higher 10580 lb (4800 kg), providing a substantial safety margin.
Are there any reported issues with this U-bolt?
No complaints have been identified for this specific Wichard model. Its design prioritizes durability and watertight integrity, making it a reliable choice for critical marine applications.
Frequently Asked Questions
What is the working load limit of the Wichard Black Watertight U-Bolt?
The working load limit (WLL) for the Wichard Black Watertight U-Bolt is 5290 lb (2400 kg).
What materials is the Wichard Black Watertight U-Bolt made from?
This U-bolt is constructed from drop-forged 316L stainless steel with an integrated black rubber collar for watertightness.
How is the watertightness achieved on this U-bolt?
Watertightness is achieved through a unique, integrated black rubber collar that forms a seal against the mounting surface, eliminating the need for additional sealants.
What is the maximum tightening torque for this U-bolt?
The maximum recommended tightening torque for this U-bolt is 18 Nm.
What applications is this U-bolt suitable for?
This U-bolt is suitable for a variety of applications including securing running rigging, stanchions, pulpits, dinghy davits, and other deck hardware where a secure and watertight fastening is critical.
