Precision Double Ball Screw: Cut Linear Motion Costs by 30% in 90 Days – Free Samples for US Buyers
Tired of unreliable ball screws causing downtime in your CNC operations? YIDI Motion delivers high-load double ball screws with zero-backlash preload, direct from our Hebei factory – engineered for American manufacturers demanding ROI.
3 Critical Pain Points US Manufacturers Face with Double Ball Screws
As a purchasing manager sourcing double ball screws for CNC machines or automation lines, you're battling rising costs and unreliable suppliers. Here's why:
- High Prices Eating ROI: Competitors charge 20-40% premiums for imported precision components, squeezing your margins in a competitive US market.
- Low Quality = Frequent Failures: Subpar ball screws from unverified sources lead to backlash, vibration, and 25% more downtime – per industry reports from AMT.
- Skyrocketing Shipping Costs: Delays from overseas (non-optimized) chains add $500-2000 per order and weeks to lead times.
- No Customization: Off-the-shelf options don't match your high-load needs for robotics or packaging.
- Compliance Headaches: Missing CE/RoHS certs risk customs holds for USA imports.
These issues cost mid-size factories $50K+ annually in lost productivity. Ready for a fix?
YIDI Motion's Double Ball Screw: Factory-Direct Precision for Industrial Automation
At HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. (YIDI Motion), established in 2020, we specialize in double ball screw assemblies with double-nut preload for zero backlash. Our 100-employee factory in Shijiazhuang, China, uses German/Japanese CNC grinders for C3-C5 accuracy – exported to 50+ countries including the USA.
Core Advantages (Why Choose Us Over Competitors)
- Powerful Factory Capacity: 30% senior technicians produce 10,000+ units/month – beat price competitors with 25% lower costs.
- Quality Assurance: Preloaded double nuts handle 50kN dynamic loads, 2x rigidity vs. single-nut designs.
- OEM/ODM Design: Custom diameters/leads for your CNC or linear modules – full CAD support.
- High-Speed Delivery: DHL/FedEx to USA in 7-14 days, slashing shipping costs by 40%.
- One-Stop Linear Motion: Pair with our linear guides, ball splines, actuators.
- ROI-Focused: Customers report 37% cost reduction and 40% less downtime.
Detailed Double Ball Screw Technical Parameters
Our double ball screw (DFU series) features ground shafts with double-nut preload (fixed or floating). Precision classes C3-C7. Materials: SCM415H alloy steel, hardened to HRC58-62.
| Parameter | Specification | Performance |
|---|---|---|
| Diameter (mm) | 16, 20, 25, 32, 40, 50, 63, 80 | Up to 100mm custom |
| Lead (mm) | 5, 10, 16, 20, 25, 32, 40 | Max speed 120m/min |
| Length (mm) | Up to 6000 | Supported ends: BK/BF |
| Accuracy | C3 (0.008mm/300mm), C5, C7, C10 | Preload: 2-5% |
| Dynamic Load (kN) | 5-120 | Static Load: 15-350kN |
| Nut Type | Double Nut (DFU), Flange/Cylinder | Low friction torque |
| Lifetime (km) | >50 (L10 at 1.3x load) | IP65 sealed options |
custom double ball screw double ball screw service double nut ball screw
*Compliant with US regs: RoHS, REACH. Custom specs available via OEM.
Real-World Application Scenarios
Double ball screws excel in high-rigidity needs. Performance characteristics: 99.999% recirculating balls reduce friction by 90% vs. leadscrews; preload eliminates play for micron accuracy.
- CNC Machining Centers: 40mm dia, 10mm lead – 50% faster feeds, used by US auto parts firms.
- Industrial Robots: 32mm dia, C3 accuracy – handles 20kN thrust for arm joints.
- Packaging Lines: High-speed 120m/min for fillers – cuts cycle time 30%.
- 3D Printers/Semicon: Custom low-vibration for precision Z-axis.
- Medical Devices: FDA-compliant cleanroom versions.
Case Study: Texas CNC shop switched to YIDI double ball screws – 35% efficiency gain, ROI in 3 months.
FAQ: Double Ball Screw for US Buyers
Q: What is a double ball screw and why double nuts?
A: A double ball screw uses two nuts preloaded on one shaft for zero backlash, doubling rigidity/load capacity – ideal for precision linear motion in CNC/robots.
Q: How to buy double ball screw online for USA delivery?
A: Contact us for quotes. We ship via DHL (7-14 days), duties pre-paid options. MOQ: 1 unit for samples.
Q: Customization for high-load applications?
A: Full OEM/ODM: Specify dia/lead/accuracy. 30% engineers ensure fit for your linear actuators or modules.

Q: Logistics and payment methods?
A: T/T, L/C, PayPal. Sea/air to major US ports. Track via our portal.
Q: After-sales and warranty?
A: 12-24 months warranty. Free replacements + lifetime tech support.
Q: Compatible with US CNC brands?
A: Yes, Haas, Haas, Okuma – drop-in replacements with better preload.
Q: Pricing vs. competitors?
A: 25-35% lower direct from factory, quality equal/superior.
Real Reviews from US Customers
Mike R., Purchasing Mgr, Texas CNC Shop
"Outstanding double ball screw quality! Zero backlash, arrived in 9 days. Beat THK prices by 28%." ★★★★★
Sarah L., Ops Director, California Robotics
"Custom OEM design was spot-on. High load capacity transformed our arms – highly recommend YIDI." ★★★★★
Tom K., Supply Chain, Ohio Packaging
"Fast delivery, ISO certs verified. Double nut preload cut vibrations 40% – game-changer!" ★★★★★
Lisa M., Tech Dir, Florida Automation
"Free sample tested perfectly. Full order shipped seamlessly to USA – superior service." ★★★★★
Limited Stock: Secure Your Double Ball Screw Now – Free Sample for First 50 US Orders!
No risk: 100% money-back guarantee + free shipping to USA. Act before Q1 2026 rush!
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
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Exported to USA, Germany, Japan – 50+ countries.