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Ersk Ball Screw (ball screw for CNC machine)
US$8.00-35.00
1 Set
Sample price:US$35.00/piece.Request sample
Product profile
Customization
AvailableFlange
With FlangeNut Number
SingleModel NO.
SFI2505-4Nut Type
CirculatorPrecision
C7Rows Number
4-RowScrew Diameter
21-30mmType
Inner LoopProduct Name
Sfi2505 Ball Screw AssembleModel No.
Sfi2505Manufacturing Process
Rolled ThreadThread Direction
Thread DirectionApplication
CNC Milling MachineryStructure
Ball Screw Shaft+Nut+Steel BallsFeature
Interchanged EasilyTreatment
Heat TreatmentHardness
HRC58-60Tolerance
C5, C7, C10 PrecisionMaterial
S55c, CF53Interchanged
Easy Interchange Tbi Ball Screw and NutsEnd Machinized
Matched Bk/Bf End SupportsBall Screw Precision
C5Ballscrew Pitch
5mm/10mmTransport Package
Wooden Case, Safety Cartons or by NegotiationSpecification
SFI seriesTrademark
ERSKOrigin
Lishui, Zhejiang, ChinaHS Code
84834010Production Capacity
10000set. /MonthKey features
High Precision Options: Available in C5, C7, and C10 precision grades for various applications.
Easy Interchangeability: Compatible with TBI ball screws and nuts for easy replacement.
High Rigidity & Low Noise: Gothic arch groove profile ensures smooth operation with minimal friction.
Customization Available: Supports customization from samples and designs for specific needs.
Durable Materials: Made from S55C/CF53 shafts and 20CrMo nuts with HRC58-62 hardness.
Fast Delivery: Large stock available with short delivery times based on quantity.
Quality Certified: ISO9001 certified with 100% visual and functional inspection.
Professional Support: 24-hour sales support and technical assistance for customers.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 17 Years CertifiedNearest Port: Ningbo Port , Shanghai PortAverage Response Time: ≤1.87h
AI-Powered supplier vetting
SummaryLishui Wangong Precision Machinery Co., Ltd. is a limited company founded in 2008, with 98 employees and operations covering R&D, manufacturing, sales, and service. It manufactures precision transmission components, including linear shafts, ball screws, linear guides, cylinder rails, linear bearings, and roller linear rails. The supplier demonstrates documented service procedures, complaint handling, corrective and preventive actions, export licensing, OEM/ODM capability, and customization from samples and designs. Production infrastructure includes lathing, CNC machining, milling, and ultrasonic cleaning facilities, with documented finished-product inspection instructions. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas service coverage. Financial capacity is referenced for 2022–2024, but no financial performance details are provided. A BV audit is recorded with validity from April 16, 2025 to April 15, 2026, but the audit result is listed as 0...
Supplier typeThe supplier is identified as Lishui Wangong Precision Machinery Co., Ltd., a limited company founded in 2008. It is described as a combined business integrating R&D, production, sales, and service, and is not an offshore company or part of a larger company group.
After-Sales capabilityThe supplier has documented procedures and followed records for service capability assessment, corrective and preventive actions, and effective customer complaint handling. However, it has no overseas warehouse, showroom, agent, or branch, and reports service coverage in zero countries; therefore, its formal service processes are evidenced, while overseas after-sales reach is limited.
R&D capabilityThe supplier states that it has R&D capability, introduced new products during the past year, and provides ODM services. It can customize from samples and designs, but it explicitly has no available SDK; the available evidence supports product development capability but not a broader technology-platform capability.
Production capacityThe supplier manufactures multiple precision transmission components and operates lathing, CNC machining, milling, and ultrasonic cleaning facilities. It also has uniformly followed finished-product inspection instructions, but no quantitative productivity figures are provided and the audit evaluation result is recorded as 0, so overall production strength cannot be fully confirmed.
Customization capabilityThe supplier explicitly offers customization from samples and from customer designs, and also provides ODM services. These statements directly demonstrate both design-based customization and original design manufacturing capability.
Product Q&A
Q:What precision grades are available?
A:
We offer C5, C7, and C10 precision grades to meet different application requirements.
Q:Are these ball screws interchangeable with TBI?
A:
Yes, our ERSK ball screws and nuts are designed to be easily interchangeable with TBI brand products.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set.
Q:Can you customize the ball screws?
A:
Yes, we provide OEM and ODM services, allowing customization from samples or designs.
Q:What is the lead time for delivery?
A:
Lead time depends on quantity but is generally one month for both peak and off-peak seasons.
Send Inquiry
*To:
Lishui Wangong Precision Machinery Co., Ltd.
Lishui Wangong Precision Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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