Maximum torque. Minimal downtime. Proven reliability.
Keep your crushers running – safer, faster, and smarter with our high-torque electric bolting solution.
Tailored Bolting Solutions for Mining
Unplanned downtime on your Metso cone crusher?
The alkitronic® EF-S 4000 helps you get back online fast – with safe, precise, and powerful torque every time.
✅Up to 42,120 Nm of torque
✅Faster than hydraulic systems – no oil, no hoses, no waiting
✅Engineered for high-load industrial applications
Smart Maintenance for Metso Crushers
In quarrying and mining, every minute of downtime costs money.
Our engineered solution simplifies high-torque bolting for wear part replacement – fast, safe, and repeatable.
Includes:
- alkitronic® EF-S 4000 torque multiplier – up to 42,120 NM torque power
- Custom reaction arm – for perfect force absorption
- Crusher-specific adapter – tailored to your crusher
- Plug & Play installation – no training required
Watch the EF in Action
Real conditions. Real torque. Real speed.
Watch our bolting system perform live during maintenance of a Metso® MP1250 cone crusher, demonstrating its power, reliability, and efficiency in demanding mining environments.
EF-S 4000: Technology You Can Trust
The alkitronic® EF-S torque multiplier delivers 350 to 42,000 Nm with precise, reliable performance – even on portable generators.
✔ ±2% repeat accuracy for consistent bolting results
✔ Intelligent shut-off electronics for exact torque reproduction
✔ Innovative motor protection ensures maximum bolting quality
✔ Robust aluminum housing for durability in tough environments
✔ 360° rotatable motor unit for comfortable, low-reaction working
✔ Anti-glare OLED display for perfect readability in any condition
Choose the EF-S4000 for powerful, precise, and effortless bolting.
Your Benefits at a Glance
Low Operating Costs
The brushless, low-wear synchronous motor delivers outstanding efficiency.
Fast Bolting Cycles
Up to 3× faster than traditional electric shut-off tools and significantly faster than hydraulics.
Superior Quality
Continuous rotation of the joints prevents torque inconsistencies caused by “ratcheting.”
Intuitive Operation
Menu-guided interface with status and warning notifications, ensuring easy and safe handling.
