Powered by Made-in-China.com
Product profile
Customization
AvailableFlange
With FlangeNut Number
SingleModel NO.
SFA4020Nut Type
End CapPrecision
C7Rows Number
4-RowScrew Diameter
31-40mmType
Inner LoopProduct Name
Rolled Thread Ball ScrewBall Screw Shaft Dia
40mmBall Scrw Shaft Pitch
20mmStructure
Ball Screw+Nut+Steel BallFeature
SmoothlyApplication
Automatic MachineryProcess Type
Rolled Thread Ballscrew C7End Machinized
Customized or Bk/Bf30Length
100mm to 6000mmEnd Support
Bk/Bf30Nut Housing
DSG40Coupling
Jm2-65couplingInterchanged
Interchanged Into Tbi Ball Screw PartsQuatity
High Tolerance Quality C5, C7Stock
Very PlentyTransport Package
PVC Bag, Wooden Box, Export Standard PackingSpecification
SFA4020Trademark
ERSKOrigin
ZhejiangProduction Capacity
15000Key features
High Precision C7 Grade: C7 precision with 0.05mm accuracy, suitable for high-precision applications.
Customizable Length: Length ranges from 100mm to 6000mm, customizable to specific requirements.
TBI Interchangeable: ERKS brand parts can be interchanged into TBI ball screw parts.
High Durability: Rigidly selected materials and intensive heat treating ensure long life.
Smooth Operation: Low friction and high efficiency with torque less than 30% of conventional screws.
OEM/ODM Support: OEM and ODM services available, including customization from samples and designs.
ISO9001 Certified: Adheres to ISO9001 certification standards with 100% finished product inspection.
Fast Delivery: Large stock available with short delivery times based on quantity.
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: ≤1.77h
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 is the precision grade of this ball screw?
A:
The product offers C7 precision with an accuracy of 0.05mm. C5 and C10 grades are also available.
Q:Can the length of the ball screw be customized?
A:
Yes, the standard length ranges from 100mm to 6000mm, and other lengths can be customized according to your requirements.
Q:Is this ball screw interchangeable with TBI brand?
A:
Yes, ERKS brand ball screws and nuts are designed to be interchangeable with Taiwan TBI ball screw parts.
Q:What are the payment terms?
A:
Payment terms include T/T or L/C for large orders, and PayPal or Western Union for small orders.
Q:What is the lead time for delivery?
A:
The average lead time is one month for both peak and off-season, depending on the customer's required quantity.
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
You may also like
Kgg Thread Rolled Ball Screw with C7 Accuracy (GSR Series, Lead: 10mm, Shaft: 12mm)
US$25.00-250.00
100 Pieces(MOQ)
Kgg 6mm Cold Rolled C5/C7 Class Thread Ball Screw (GT Series, Lead: 1mm, Shaft: 6mm)
Negotiable
1 Piece(MOQ)
Rolled Thread SFU2506 Ball Screw for Auto Controlling Machine
US$30.00
1 Set(MOQ)
Kgg Thread Rolled Ball Screw for CNC Cutting Machine (GSR Series, Lead: 2mm, Shaft: 14mm)
US$50.00-200.00
1 Piece(MOQ)
Kgg Rolled Thread Ball Screw for High CNC Machinery (GSR Series, Lead: 2mm, Shaft: 14mm)
US$50.00-200.00
1 Piece(MOQ)
16mm Rolled Thread Ball Screw with Sfs1605 Single Ball Nut for Laser Engraving Machines
US$8.00-20.00
10 Meters(MOQ)
Hot Selling Rolled Thread Ball Screw Sfu1204 with Machined Ends
US$7.00-12.00
1 Piece(MOQ)
Rolled Thread Ball Screw Sfu1204 with Machined Ends
US$7.00-12.00
1 Piece(MOQ)
High Precision C7 Rolled Thread Ball Screw
US$17.00
1 Meter(MOQ)
32mm Diameter Left and Right Thread Ball Screw 500mm Long with Ball Screw Nut
US$15.00-20.00
1 Set(MOQ)
Most Popular Machinery Accessories 16mm 20mm 25mm 32mm Sfu 1610 2010 2510 Left Thread Ball Screw
US$7.00-12.00
1 Piece(MOQ)
Taiwan C7 Rolled Thread Ball Screw Sfu1604/1605
US$5.00
1 Piece(MOQ)
CNC Machine Cold Rolled Thread Ball Screw Sfu2010 Sfu2005
US$10.00
1 Piece(MOQ)
Hot Popular Transmission Fast Sfa2505 Rolled Thread Ball Screw
US$14.00
1 Meter(MOQ)
Right and Left Hand Thread 1002 Ball Screw with Cylindrical Nut
US$30.00
1 Set(MOQ)
Machining Dia25 C7 Rolled Thread Ball Screw Shaft
US$8.00-35.00
1 Set(MOQ)
Super Quality Durable Right and Left Hand Thread Ball Screw 1605
US$30.00
1 Set(MOQ)
High Precision Sfu3205 Rolled Thread Ball Screw From China
US$5.00
1 Piece(MOQ)
High-Precision Gcr15 Ball Screw for Mini CNC Machines
US$15.00-20.00
1 Set(MOQ)



















