OnRobot Multifunctional Robot Screwdriver with Screw Feeder
OnRobot
$8,805.00
What Is the OnRobot Screwdriver?
The OnRobot Multifunctional Robot Screwdriver is a purpose-built end-of-arm tool for collaborative and light industrial robots that eliminates the integration complexity of traditional automated fastening systems. Unlike piecemeal screwdriving setups, the OnRobot Screwdriver ships as a complete system — tool, screw feeder, and compute box — and configures directly through the robot's user interface. No separate HMI. No external motion controller. No additional integration cost.
The embedded active Z-axis is the key differentiator: the screwdriver handles its own vertical insertion motion independently from the robot arm. The robot positions; the tool drives. This simplifies programming dramatically and improves insertion consistency across the entire production run.
Compatible with Universal Robots (UR+ certified), ABB, Doosan, Fanuc, and Yaskawa cobots. If you're running a UR cobot, setup and programming happen entirely within PolyScope — the screwdriver parameters appear as native URCap nodes.
Key Features
Embedded Z-Axis
Insertion Without Robot Movement
The active Z-axis drives screw insertion and retraction internally. The robot arm holds position while the tool handles the vertical stroke — up to 55 mm of shank travel.
Precision Torque Control
0.15 – 5 Nm with ±3% Accuracy
Dual-motor BLDC system delivers consistent torque across the full range. Accuracy is ±0.04 Nm below 1.33 Nm and ±3% above — documented per the datasheet torque/angle curve.
Intelligent Error Detection
Three Active Screw Checks Per Cycle
The tool actively verifies (1) screw picked, (2) correct screw length, and (3) proper insertion and seating. Misses and cross-threads are caught before the robot moves to the next position.
Collaborative Safety
Screw Retraction + Protective Force Stop
Screws up to 35 mm retract fully inside the tool during robot transit — no exposed tip. Protective feature activates at 35–45 N axial force; LED alert lights indicate fault state immediately.
Fast Changeovers
Different Screw Type in Minutes
The Screw-bit System — bit, screw carrier, screw fix, bit holder — swaps in minutes. Supports metric (M1.6–M6), US standard (#1–1/4"), self-tapping for aluminum and plastic, across DIN/ISO/ASME standards.
Out-of-Box Deployment
One System Setup — Any Leading Robot
Mount to robot arm, install the appropriate Screw-bit System, enter screw length and target torque in the robot UI. Programming uses freedrive teach and native waypoint saving — no robotics expertise required.
Technical Specifications
Supported Screw Standards
Bit Compatibility Note
All standard 1/4" HEX bits, 25 mm length. Two bit holder types: Holder A (higher magnetic force, larger/heavier screws M3–M6) and Holder B (lower magnetic force, smaller/lighter screws M1.6–M2.5). Do not use Holder A with small screws — excess magnetic pull can cause screw migration from feeder to tool.
Screw Feeder Options
The OnRobot Screwdriver is designed to work with a dedicated screw feeder for fully automated screw presentation. Two feeder variants are available — select based on your primary screw size range.
Screw Feeder — Small
OnRobot Screw Feeder M1.6
Optimized for small screw sizes. For use with Bit Holder B (low magnetic force).
View at ADI →Screw Feeder — Standard
OnRobot Screw Feeder M2 – M6
Full metric range coverage. For use with Bit Holder A or B depending on screw size.
View at ADI →Before You Deploy — What Engineers Need to Know
Screwdriver Orientation Requirement
The tool must operate downward or laterally (up to horizontal / 90°). Operating at angles greater than 90° from vertical — i.e., pointing upward — will trigger the protective force feature. Plan your robot cell mounting and approach angles accordingly. The Screw-bit System must align within a 0 – 8 mm standoff distance from the work surface.
Compute Box & Quick Changer Compatibility
Requires OnRobot Compute Box revision CB3.4 or later and the 4.5A version of the Single or Dual Quick Changer. If you have an existing OnRobot setup, verify your Compute Box revision before ordering. The Screwdriver cannot be used simultaneously with OnRobot Eyes (insufficient power supply capacity).
UR Cobot Payload Planning
The Screwdriver weighs 2.5 kg. Add the Quick Changer, Compute Box mount, and any cable management. For most UR configurations, a UR10e or UR16e gives comfortable working margin. A UR5e is viable but leaves limited payload headroom for additional accessories. Factor in the screw feeder position relative to the robot's workspace when planning the cell layout.
Tight-Space Access — Bit Extenders Available
50 mm and 100 mm bit extenders (Type A and B) are available to reach recessed or enclosed fastening locations. Extenders include a lock nut to prevent screw carrier drift. Note: maximum total radial runout with extenders mounted is 0.5 mm. Order via your ADI representative — PN 109301 (A-50mm), 109289 (B-50mm), 109290 (A-100mm), 109298 (B-100mm).
Target Applications
Electronics Assembly
Small screw automation (M1.6–M3) for PCB enclosures, consumer devices, and EV battery assemblies. ESD-safe construction protects sensitive components.
Automotive Tier 1 & 2
Multi-fastener assembly with fast changeovers across product variants. Torque traceability via the torque gradient variable logged per cycle in the robot program.
Medical Device Manufacturing
Documented insertion torque and active error detection per cycle support traceability requirements for regulated assemblies.
General Light Industrial Assembly
Any repetitive fastening operation where inconsistent manual torque, RSI risk, or cycle time variability is a production concern.
Resources & Downloads
PDF OnRobot Screwdriver Solution Overview Product overview — Automation Distribution PDF OnRobot Screwdriver Datasheet v1.6 Full specs, torque curves, screw compatibility tables WEB OnRobot Screwdriver Product Page Manufacturer product details — onrobot.com WEB OnRobot Screwdriver on UR+ Marketplace UR+ certification listing — universal-robots.com
Frequently Asked Questions