Description
Wichard Watertight U-Bolt 8mm Black | Boat Supply Store
This Wichard Black Watertight U-Bolt is engineered to provide a reliable, long-term fastening solution in demanding marine environments, preventing water ingress and subsequent corrosion. Constructed from high-grade 316L stainless steel, it boasts an exceptional working load of 5290 lb (2400 kg) and a breaking load of 10580 lb (4800 kg). Its integrated rubber collar offers complete watertightness, simplifying installation by eliminating the need for additional sealants, making it ideal for securing shrouds or lifelines on offshore vessels operating in the Gulf of Mexico.
Key Features
- Superior Strength through fully drop-forged construction
- Corrosion Resistance with high-quality 316L stainless steel
- Guaranteed Watertightness via an integrated, resistant rubber collar
- Simplified Installation without the necessity of waterproof sealant
- Exceptional Load Ratings for demanding applications
- Immediate Deployment with included bolts and counter-plate
- Robust Performance in harsh marine conditions
- Technical Precision in material and dimension
Specifications
| Product Specifications | |
|---|---|
| Brand | Wichard Marine |
| Diameter | 8mm (5/16") |
| Length | 80mm (3 5/32") |
| Material | 316L Stainless Steel with Black Rubber Collar |
| Working Load | 5290 lb (2400 kg) |
| Breaking Load | 10580 lb (4800 kg) |
| Weight | 0.271 lb (123 g) |
| Dimension A | 36mm (1 27/64") |
| Dimension B | 25mm (63/64") |
| Dimension C | 40mm (1 37/64") |
| Max Tightening Torque | 18 nm |
Who This Is For
Sailors and boat owners requiring high-strength, corrosion-resistant, and watertight fastening solutions for critical rigging applications. Marine professionals will also find this U-bolt indispensable for ensuring the integrity of lifelines and shrouds in challenging offshore conditions.
How It Compares
| Feature | Wichard Watertight U-Bolt 8mm Black | Ronstan RF3500 U |
|---|---|---|
| Watertight Seal | Integrated Rubber Collar | Typically less capable |
| Material | 316L Stainless Steel | 316 Stainless Steel |
| Diameter | 8mm (5/16") | — |
| Length | 80mm (3 5/32") | — |
| Working Load (lb) | 5290 | null |
| Breaking Load (lb) | 10580 | null |
| Includes Bolts and Counter-plate | Yes | null |
Common Concerns Answered
Is the Wichard Black Watertight U-Bolt significantly more expensive than standard U-bolts?
While the initial purchase price may be higher than non-watertight alternatives, the integrated rubber collar for complete watertightness and the use of premium 316L stainless steel justify the investment by preventing costly corrosion and ensuring long-term reliability, reducing future maintenance and replacement expenses.
How durable is the rubber collar seal over time in a marine environment?
The rubber collar is specifically designed for marine resilience, offering excellent resistance to UV degradation and saltwater. Its robust construction, combined with the secure fit achieved during proper installation, ensures long-term watertight performance.
What makes this U-bolt 'watertight' compared to others?
The defining feature is the integrated rubber collar that creates a hermetic seal when the U-bolt is tightened against the mounting surface. This effectively prevents water from entering the bolt holes, a common point of corrosion in standard marine hardware.
Frequently Asked Questions
What is the working load limit of the Wichard Black Watertight U-Bolt?
The working load limit for this U-bolt is 5290 lb (2400 kg).
What materials is the Wichard Black Watertight U-Bolt made from?
It is constructed from high-quality 316L stainless steel with an integrated black rubber collar.
How is the watertightness achieved on this U-bolt?
Watertightness is achieved through a resistant rubber collar that forms a seal around the bolt when it is properly installed and tightened.
What is the maximum tightening torque for this U-bolt?
The maximum recommended tightening torque for this U-bolt is 18 nm.
What is included with the Wichard Black Watertight U-Bolt?
The U-bolt comes complete with necessary bolts and a counter-plate for immediate installation.
