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Product profile
Customization
AvailableFlange
With FlangeNut Number
SingleModel NO.
SFU2004Nut Type
CirculatorPrecision
C7Rows Number
4-RowScrew Diameter
11-20mmType
Inner LoopModel No.
Sfu2004Manufacturing Process
Rolled ThreadThread Direction
Right ThreadProduct Name
Ball Screw and Ball Screw Nut AssembleApplication
Automatic MachineryStructure
Ball Screw Shaft+Nut+Steel BallsFeature
Interchanged EasilyTreatment
Heat TreatmentHardness
HRC58-60Ball Screw Shaft Dia
20mmBall Screw Shaft Pitch
4mmEnd Machinized
Customized or Bk/Bf10Tolerance
C5, C7, C10 PrecisionMaterial
S55c, CF53Ball Screw End Support
Bk/Bf10 BracketsTransport Package
Wooden Case, Cartons Packing or by NegotiationSpecification
SFU seriesTrademark
ERSKOrigin
Lishui, Zhejiang, ChinaHS Code
84834010Production Capacity
100000set. /MonthKey features
High Precision Grades: Available in C5, C7, and C10 precision levels for various accuracy requirements.
Customizable Ends: Ends can be machinized to customized specifications or standard Bk/Bf10 types.
High Durability: Features heat treatment with hardness HRC58-62 for extended service life.
Smooth Operation: Low friction design allows easy conversion from rotary to linear motion.
OEM/ODM Support: Supports customization from samples or designs with professional R&D.
Fast Delivery: Large stock availability ensures short delivery times for standard items.
Quality Assurance: ISO9001 certified with 100% visual and functional inspection of finished products.
Interchangeable Design: Compatible with major brands like TBI, ensuring easy replacement and integration.
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: ≤2.21h
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 needs.
Q:Can the ball screw ends be customized?
A:
Yes, the ends can be machinized according to your drawings or customized to Bk/Bf10 standards.
Q:What is the maximum length available?
A:
The maximum length is 6000mm, but other lengths can be produced based on customer requirements.
Q:What materials are used for the ball screw?
A:
The shaft is made of S55C material, and the nut is made of 20CrMo material.
Q:What are the payment terms?
A:
We accept T/T or L/C for large orders, and PayPal or Western Union for small orders.
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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