Quick Answer
The BF-Series is a line of brushless electric clutch screwdrivers designed for high-volume manufacturing applications. Available in multiple configurations and torque ranges, BF-Series tools provide precision fastening performance, ESD protection, adjustable torque settings, and compatibility with error-proofing accessories such as the Scout Screw Counter.
Who This Is For
- Manufacturing engineers
- Process engineers
- Quality engineers
- Assembly operators
- Electronics manufacturers
- Medical device manufacturers
- Aerospace manufacturers
- Industrial assembly operations
When Should You Use This?
Use the BF-Series when:
- Fastening accuracy is important
- High production volumes are required
- ESD protection is needed
- Low torque applications are involved
- Maintenance costs need to be minimized
- Operators require a lightweight, ergonomic fastening tool
- Error-proofing accessories are part of the assembly process
When Should You NOT Use This?
The BF-Series may not be the best fit when:
- Torque traceability is required
- Fastening data collection is required
- Advanced process control is needed
- Torque and angle monitoring are required
In these applications, a transducerized smart tool system may be more appropriate.
How the BF-Series Works
The BF-Series uses a clutch mechanism to control torque output. Once the preset torque value is reached, the tool automatically stops tightening, helping improve fastening consistency.
Depending on the model selected, the tool may feature:
- Lever start operation
- Push-to-start operation
- Adjustable RPM settings
- Selectable soft start functionality
- Soft-stop clutch options
Result:
- Consistent fastening performance
- Reduced fastener damage
- Improved assembly quality
- Lower maintenance requirements
- Increased productivity
Core Features
- Brushless motor design
- ESD-safe models
- Precision torque control
- Adjustable torque settings
- High-production capability
- Adjustable RPM settings on select models
- Selectable soft start mode on select models
- Over Heat Protection (OHP)
- Over Current Protection (OCP)
- Compatible with Scout Screw Counter
- Available in multiple configurations and torque ranges
Configuration Options
Start Methods
The BF-Series is available in:
- Lever Start Models
- Push-to-Start Models
Model Variations
The BF-Series product family includes:
- Standard Models
- Soft Stop Models
- Plus Models
- Speed Control Models
- Time Control & Auto Reverse Models
Available features vary by model.
Adjustable RPM Settings
Select BF-Series models allow RPM adjustments within the tool's operating range to optimize fastening performance for specific applications.
Understanding Brushless Electric Screwdrivers
What Is a Brushless Electric Screwdriver?
A brushless electric screwdriver uses a brushless motor design to provide fastening power while reducing wear and maintenance compared to traditional brush-type motors.
Why Use a Brushless Motor?
Brushless motors help provide:
- Longer service life
- Reduced maintenance
- Consistent performance
- Minimal heat build-up during continuous operation
What Makes the BF-Series Different?
The BF-Series combines the following features to create a fastening platform designed for high-production assembly environments:
- Brushless motor technology
- ESD protection
- Adjustable torque control
- Soft start functionality
- Error-proofing accessory compatibility
Available Models
The BF-Series is available in multiple torque ranges and configurations.
Features available across the product family include:
- Lever start operation
- Push-to-start operation
- Soft stop clutch options
- Adjustable RPM settings
- Soft start functionality
BF-Series Models
The BF-Series is available in several configurations to support different fastening requirements, including Standard, Standard Plus, Miniature Soft Stop, Soft Stop, Soft Stop Plus, and Angle Control & Auto Reverse models. Torque capacities range from 0.17–10.4 lbf.in (2–117.6 cN·m).
Standard Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BF060 ESD | 145884 | Lever Start | 0.9–5.2 | 9.8–58.8 |
| BF060P ESD | 145885 | Push-to-Start | 0.9–5.2 | 9.8–58.8 |
| BF080 ESD | 145793 | Lever Start | 0.9–6.9 | 9.8–78.4 |
| BF080P ESD | 145794 | Push-to-Start | 0.9–6.9 | 9.8–78.4 |
| BF120 ESD | 145776 | Lever Start | 1.7–10.4 | 19.6–117.6 |
| BF120P ESD | 145795 | Push-to-Start | 1.7–10.4 | 19.6–117.6 |
Standard Plus Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BF060 ESD Plus | 145886 | Lever Start | 0.9–5.2 | 9.8–58.8 |
| BF060P ESD Plus | 145887 | Push-to-Start | 0.9–5.2 | 9.8–58.8 |
| BF080 ESD Plus | 145798 | Lever Start | 0.9–6.9 | 9.8–78.4 |
| BF080P ESD Plus | 145799 | Push-to-Start | 0.9–6.9 | 9.8–78.4 |
| BF120 ESD Plus | 145830 | Lever Start | 1.7–10.4 | 19.6–117.6 |
| BF120P ESD Plus | 145831 | Push-to-Start | 1.7–10.4 | 19.6–117.6 |
Miniature Soft Stop Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BF035 ESD | 145844 | Lever Start | 0.17–3.0 | 2–34.3 |
| BF045 ESD | 145845 | Lever Start | 0.35–3.9 | 4–44.1 |
Soft Stop Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BFS060 ESD | 145888 | Lever Start | 0.9–5.2 | 9.8–58.8 |
| BFS080 ESD | 145833 | Lever Start | 0.9–6.9 | 9.8–78.4 |
| BFS120 ESD | 145834 | Lever Start | 1.7–10.4 | 19.6–103 |
Soft Stop Plus Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BFS060 ESD Plus | 145889 | Lever Start | 0.9–5.2 | 9.8–58.8 |
| BFS080 ESD Plus | 145836 | Lever Start | 0.9–6.9 | 9.8–78.4 |
| BFS120 ESD Plus | 145837 | Lever Start | 1.7–10.4 | 19.6–103 |
Angle Control & Auto Reverse Models
| Model | Item Number | Start Type | Torque Range (lbf.in) | Torque Range (cN·m) |
|---|---|---|---|---|
| BFT060 ESD | 145890 | Lever Start | 0.9–5.2 | 9.8–58.8 |
| BFT080 ESD | 145839 | Lever Start | 0.9–6.9 | 9.8–78.4 |
| BFT120 ESD | 145840 | Lever Start | 1.7–10.4 | 19.6–117.6 |
Model Selection Guide
Need a screwdriver for ultra-low torque fastening?
Choose:
- BF035 ESD
- BF045 ESD
These miniature soft stop models are designed for very low torque applications and feature a 4 mm HIOS drive.
Need a standard production screwdriver?
Choose:
- BF060 ESD / BF060P ESD
- BF080 ESD / BF080P ESD
- BF120 ESD / BF120P ESD
Available in both lever start and push-to-start configurations.
Need protection for sensitive assemblies?
Choose:
- BFS060 ESD
- BFS080 ESD
- BFS120 ESD
These soft stop models feature a Precision Soft Stop clutch that helps reduce shock to sensitive assemblies such as disk drives, plastics, and electronics.
Need additional fastening control?
Choose a Plus model:
- BF060 ESD Plus
- BF060P ESD Plus
- BF080 ESD Plus
- BF080P ESD Plus
- BF120 ESD Plus
- BF120P ESD Plus
Plus models feature selectable Double Hit Mode for soft-joint applications and selectable Soft Start functionality.
Need angle-based fastening control?
Choose:
- BFT060 ESD
- BFT080 ESD
- BFT120 ESD
These models provide Time Angle Control & Auto Reverse functionality and allow users to set start and stop points by angle control within a range of 0.25–15 turns.
Need ESD-safe fastening tools?
All BF-Series models are available in ESD-safe configurations and are designed to help protect sensitive electronic components from electrostatic discharge during assembly operations.
Setup & Adjustment
BF-Series tools require:
- STC40 Transformer (power supply)
- Appropriate bit selection
- Torque adjustment based on the application
Certain BF-Series models also require the Program Lock Key to adjust RPM and soft start settings. The Program Lock Key connects to the STC40 transformer during setup.
What Error-Proofing Options Are Available?
Scout Screw Counter
The BF-Series can be connected to the Scout Screw Counter to provide an additional layer of error-proofing.
The Scout Screw Counter helps identify fastening issues such as:
- Missing screws
- Cross-threading
- Omissions
- Unfinished rundowns
Torque Cover
A torque cover can be added to help prevent incidental adjustment or operator tampering with torque settings.
ESD Protection
BF-Series ESD models provide less than 1 Ohm resistance at the bit tip and are designed to help prevent electrostatic discharge.
Proper ESD management helps:
- Protect sensitive electronic components
- Improve production yields
- Reduce product defects
- Improve product reliability
Decision Guide
When Should You Choose the BF-Series?
The BF-Series is a good fit when:
- ESD protection is required
- High-volume production is involved
- Low torque fastening applications are common
- Reduced maintenance is important
- A clutch screwdriver is preferred
- Error-proofing accessories may be added in the future
Applications
The BF-Series is commonly used in:
- Electronics assembly
- Medical device manufacturing
- Aerospace assembly
- Industrial manufacturing
- Precision fastening applications
Calibration & Quality Programs
The BF-Series can be tested and verified using Mountz torque analyzers, sensors, and run-down adapters as part of a calibration and quality control program.
Regular verification helps ensure fastening performance remains within specification and supports quality management initiatives.
Accessories & Related Products
Common BF-Series accessories include:
- STC40 Transformer
- Program Lock Key
- Torque Cover
- Scout Screw Counter
- Tool Balancers
- Torque Arms
- Screw Presenters
- Vacuum Adapters
- Run-Down Adapters
Media & Supporting Content
Need Help?
- Contact Applications Engineering for setup guidance
- Speak with Sales for product selection
- Call us:
- North America:(408) 850-9978
- International: +44 1428 741756
M-F 6am - 5pm PST
