Powered by Made-in-China.com
CNC Thread Grinding Machine Sk7720b
US$50,000.00
1-4 Pieces
US$45,000.00
5-9 Pieces
US$40,000.00
10+ Pieces
Product profile
Customization
AvailableAfter-sales Service
Overseas ServiceWarranty
12 Months Since ShipmentModel NO.
SK7720BType
External Grinding MachineProcessing Object
ThreadAbrasives
Grinding WheelControlling Mode
CNCAutomatic Grade
AutomaticPrecision
High PrecisionCondition
NewApplication
Cylindrical Worms with Za, Zn, Zi, Zk, Zc1 ToothModel
Sk7720bService
Engineers Can Installation and TrainingMax.Mounting Diameter
200mmMax.Center Distance
750mmCenter Height
120mmGrinding Diameter
10-200mmMax.Grinding Length
650mmModule Range
1-12πHelix Angle
±40°Max.Lead
150mmWheel Spindle Speed
45m/STransport Package
It's Suitable for Long Distance TransportationSpecification
2660x2310x2800mmTrademark
RefineOrigin
ChinaProduction Capacity
100 Sets/YearKey features
High Precision CNC Control: Siemens 828D system with 8 axes including C, Z, X, V, W, A, SP1, SP2 for complex thread grinding.
Durable High-Strength Construction: Machine bed and components made of high-strength iron casting with aging treatment and manual scraping.
Imported Precision Components: Uses imported precision bearings for spindles and ball screws, plus INA linear guides and Rexroth drives.
Customizable Configurations: Custom configurations available upon request to meet specific application needs.
Comprehensive Warranty Options: Standard 12-month warranty with optional extended coverage up to 36 months.
Global After-Sales Support: 24/7 technical assistance, spare parts supply, and on-site or remote training available.
Versatile Thread Grinding: Designed for cylindrical worms with ZA, ZN, ZI, ZK, ZC1 profiles and various thread parts.
High-Efficiency Cooling System: Built-in permanent magnet synchronous motor with water cooler and magnetic separator for coolant filtration.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-09-30Nearest Port: Dalian Port, Qingdao Port, Tianjin PortAverage Response Time: ≤4.09hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryDalian Refine Tech Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It manufactures and supplies metal-processing machinery, including vertical lathes, CNC and manual lathes, boring machines, machining centers, gear hobbing machines, and radial drilling machines. The supplier reports ISO 9001 and ISO 14001 certification, 5 production lines, 11–20 quality-control staff, and 6–10 years of R&D-engineer experience. It states that 90% of sales are exports, exports to more than 60 countries, and has operated exports since 2013. The supplier describes one-stop service and production-problem support, but the provided information does not substantiate detailed after-sales procedures or customization examples. Customer evidence includes one recorded trade transaction and one named buyer, while broader customer references are not provided.
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, and describes itself as integrating R&D, production, and sales of machine tools for metal machining. Its listed business areas include industrial equipment, manufacturing machinery, and related tools.
CertificationsThe supplier reports holding ISO 14001 and ISO 9001 management-system certifications. These are explicit certification claims in the provided supplier information.
R&D capabilityThe supplier reports integrating R&D with production and sales, describes ongoing technological and management innovation, and lists 6–10 years of R&D-engineer experience. Its expanded product range includes CNC equipment, machining centers, boring machines, gear hobbing machines, and radial drilling machines, supporting an established technical-development capability.
Production capacityThe supplier identifies itself as a machine-tool manufacturer/factory, reports 5 production lines, and describes 15 years of specialization in vertical-lathe manufacturing. Its product scope covers multiple metal-processing machine categories, indicating established production breadth.
Client casesThe supplier states that its products have been exported to more than 60 countries, and one trade record identifies WELLTRON AUTOMATION as a buyer for a CNC machine. The provided evidence supports international customer reach, but only one named buyer and one recorded transaction are documented.
Product Q&A
Q:What is the standard warranty period?
A:
The standard warranty is 12 months or 2,000 operating hours, whichever comes first.
Q:Can the warranty be extended?
A:
Yes, optional extended warranty coverage is available up to 36 months.
Q:What is the maximum mounting diameter?
A:
The maximum mounting diameter for the SK7720B model is 200mm.
Q:What types of threads can this machine grind?
A:
It is designed to grind cylindrical worms with ZA, ZN, ZI, ZK, ZC1 profiles and other thread parts.
Q:Is customization available for this machine?
A:
Yes, custom configurations are available upon request.
Send Inquiry
*To:
Dalian Refine Tech Co., Ltd.
Dalian Refine Tech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
High Precision CNC Thread Worm Grinding Machine Grinding Cylindrical Thread Worms
US$82,000.00
1 set(MOQ)
Most Popular Thread CNC Surface Grinding Machine Price From China
US$15,000.00-58,000.00
1 Piece(MOQ)
High Quality Thread Used CNC Cylindrical Grinding Machine Supplier
US$15,000.00-58,000.00
1 Piece(MOQ)
High Precision CNC Grinding Machine for Sharpening Tap and Thread
US$89,300.00
1 Piece(MOQ)
High Efficient Thread CNC Drill Grinding Machine Machinery Price
US$15,000.00-58,000.00
1 Piece(MOQ)
High Quality Curve CNC Thread Grinding Machine Machine Price
US$15,000.00-58,000.00
1 Piece(MOQ)
Naseiko Nz518 High Precision Sharpening for Tap CNC Thread Grinding Machine
US$88,000.00-89,000.00
1 Piece(MOQ)
High Precision Professional CNC Tap and Thread Grinding Machine
US$89,300.00
1 Piece(MOQ)
High Speed CNC Gear Worm Thread Grinding Machine Tool for Sharpening Metal Cutting
US$70,000.00
1 set(MOQ)
Nz-518 4-Axis 3-Link CNC Thread Tap Grinding Machine/Tap Grinder for Threaded Components
US$89,300.00
1 Piece(MOQ)
CNC Gear Worm Forming Grinder Tc-7720 Thread Grinding Machine Whirling Milling
US$20,800.00-88,888.00
1 Set(MOQ)
High Precision Automatic CNC Thread Rotor Grinding Machine
US$87,000.00
1 set(MOQ)
Good Quality CNC External Cylindrical Thread Plug Gauge Grinder Grinding Machine
US$28,000.00-56,000.00
1 Piece(MOQ)
CNC Thread Grinding Machine CNC Gear Worm Forming Grinder Tc-7732
US$21,000.00-88,888.00
1 Set(MOQ)
Mk1320 CNC Tool and Cutter Cylindrical Grinding CNC Machine
US$21,000.00
1 Set(MOQ)
Compact Surface Grinding CNC Sharpening Machine for Workshop Tool Maintenance
US$5,000.00
1 Piece(MOQ)
Automatic CNC Turret Punching Tool Blade Knife Sharpening Grinding Machine
US$5,000.00
1 Piece(MOQ)
Leyo 450L CNC Precision Grinding Machine for Industrial Professionals
US$80,000.00
1 Piece(MOQ)
Precision Leyo 450L CNC Grinding Machine for Multi-Functional Tasks
US$80,000.00
1 Piece(MOQ)
Dual-Station CNC Stamping Grinding Machine for Small Punches
US$5,000.00
1 Piece(MOQ)



















