Side-by-side comparison of GX4C SCARA (GSK CNC Equipment Co., Ltd.) and RoboMill (Metalcraft Automation Group) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Cleaning & Facilities buyers. Priority specs lifted to the top and marked with a target.
Manufacturer Country
Year First Available
Verified Deployments
Price Range (USD)
Availability Status
Robot Weight
Payload
Reach
Degrees of Freedom
Repeatability
Controller Model
Teach Pendant Type
Price (USD)
Warranty
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | United States |
| Year First Available (values differ) | — | 2012 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $10,000–$100,000 | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Robot Weight (priority for Cleaning & Facilities buyers) (values differ) | 15 kg | — |
| Payload (priority for Cleaning & Facilities buyers) (values differ) | 4 kg | 70 kg |
| Reach (values differ) | 350 mm | — |
| Degrees of Freedom (values differ) | 4 | 6 |
| Repeatability (values differ) | ±0.008 mm | — |
| Controller & Programming | ||
| Controller Model (values differ) | RC800A | Fanuc M-20iD/25 |
| Teach Pendant Type (values differ) | Teach Pendant | — |
| Commercial | ||
| Price (USD) (values differ) | $10,000–$100,000 | Contact for quote |
| Warranty (values differ) | 1 yrs | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, Max TCP Speed, IP Rating (Arm), IP Rating (Wrist), Cycle Time (25/305/25), MTBF, Duty Cycle, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Offline Programming, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Service Network, Spare Parts Lead Time, Expected Service Life
Frequently asked
GX4C SCARA is made by GSK CNC Equipment Co., Ltd., based in CN. RoboMill is made by Metalcraft Automation Group, based in US.
GX4C SCARA scores 49/100. RoboMill scores 19/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Industrial Arm Vendor Selection: Capability Matrices and Proof Points.
Going deeper — picking the right robot
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
7 min readIndustrial Arms
Industrial Arm Vendor Selection: Capability Matrices and Proof Points
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Programming Approaches: Teach Pendant, Offline, AI-Assisted — What Each Costs You
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Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
GX4C SCARA vs RoboMill compares two robots in the industrial-arm category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.