U Bolt
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
High-Performance U Bolt Solutions for Industrial Applications
Qingdao RuiRui Machinery Manufacturing Co., Ltd. delivers precision-engineered U Bolt fasteners that meet the demanding requirements of today's industrial environments. With our 20+ CNC machining capabilities and 17 years of fabricating brilliance, we deliver high-tensile steel item congregations including resistances as tight as ±0.005mm. Our ISO 9001:2015 certified office guarantees steady quality over each batch, with at least arrange amount of 1000 pieces for volume applications.
What Makes Our U Bolts Superior
Our item fabricating handle combines progressed CNC turning innovation with thorough quality control. Each clasp experiences exactness machining on our Swiss-type machines, guaranteeing ideal string consistency and dimensional accuracy.
Key Features
· Material: Premium review steel development for the most extreme durability
· Threading: Precision-rolled strings for improved wear resistance
· Tolerances: Standard ±0.030 inch resistance on width and thickness
· Surface Wrap up: Different coating alternatives counting hot-dip galvanization
· Testing: 100% dimensional assessment with CMM verification

Technical Specifications
|
Parameter |
Specification |
|
Material |
Carbon Steel, Stainless Steel |
|
Thread Type |
Coarse, Fine (UNC/UNF) |
|
Diameter Range |
M6 - M64 (1/4" - 2.5") |
|
Length Range |
25mm - 500mm |
|
Coating Options |
Zinc Plated, HDG, Dacromet |
|
Standard Compliance |
ASTM A307, A325, DIN 3570 |
|
MOQ |
1000 pieces |
|
Lead Time |
4-7 weeks |
Industrial Applications That Demand Reliability
Automotive and Transportation
Your leaf spring suspension frameworks require latches that can withstand millions of stretch cycles. Our Review 8 strung poles give the clamping constrain required to secure leaf springs to axles whereas standing up to extricating from street vibrations.
Pipeline and Infrastructure
When you're securing high-pressure channeling frameworks, disappointment isn't an alternative. Our corrosion-resistant U-shaped clamps disperse stack equally around channels, avoiding point-stress harm whereas obliging warm expansion.
Power Transmission Systems
Mounting overwhelming hardware to circular posts requests remarkable grasp quality. Our square and V-shaped variations nibble into shaft surfaces, conveying the slip resistance you require against wind shear and ice loading.

-
Why Choose RuiRui for Your Fastening Solutions
Source Manufacturing plant Advantage: Working straightforwardly with our fabricating office disposes of agents, decreasing your costs by 20-30% whereas guaranteeing speedier lead times.
Engineering Support: Our dedicated R&D team provides design-for-manufacturability analysis, helping optimize your U Bolt specifications for both performance and cost-effectiveness.
Quality Assurance: Every batch undergoes first article inspection and AQL sampling. We provide complete material certifications and dimensional reports for full traceability.
Flexible Production: From prototype development with zero MOQ to mass production runs, we scale our 24/7 production capacity to meet your timeline requirements.
Manufacturing Excellence You Can Trust
Located in Qingdao with convenient access to shipping networks, we've built our notoriety on conveying steady quality. Our multi-axis CNC turning capabilities handle complex geometries while keeping up the accuracy your applications demand.
The combination of robotized bar nourishing frameworks and live tooling permits us to total parts in single setups, lessening taking care of varieties and progressing consistency over generation runs.
Quality Control Process
1. Approaching Fabric Assessment: Chemical composition and mechanical property verification
2. In-Process Observing: Real-time dimensional checking amid machining
3. Last Assessment: Total dimensional reports utilizing optical comparators
4. Bundling: Export-ready bundling with full documentation

Getting Your Project Started
Simply send your CAD files or specifications to receive a comprehensive quote within 48 hours. Our engineering team will review your requirements and provide recommendations for material selection, coating options, and design optimization.
Whether you need custom threading, special coatings, or unique bend configurations, our U Bolt manufacturing capabilities can accommodate your specific requirements while maintaining our commitment to quality and delivery performance.
Ready to discuss your fastening requirements? Contact our engineering team at kshdhardware@qdkshd.com for your custom quote today.
Send Inquiry










