• Measures: 20mm motor housing diameter design
• Operates at speeds up to 20,000 RPM
• Standard 4-hole tubing connection interface
• Universal E-type attachment compatibility system
• Quantity: 1 air-driven motor unit

The Johnson-Promident Classic E-Type Motor 4-Hole features a robust air-driven design that integrates seamlessly with standard 4-hole tubing configurations commonly found in dental operatories. This motor utilizes an industry-standard E-type connection, ensuring compatibility with a wide array of straight and contra-angle handpiece attachments from various manufacturers.

It operates with a smooth rotation that reaches speeds up to 20,000 RPM, allowing for precise control during delicate clinical applications. The external dimensions and 20mm diameter of the motor housing facilitate an ergonomic grip that reduces hand fatigue during extended procedures. If you are searching for the best low-speed air motor then choose Johnson-Promident Classic E-Type Motor 4-Hole, it is a unique engineering marvel that maintains high torque even at lower speeds to prevent stalling while working on dense restorative materials, is best for you.

This single motor unit is constructed from high-grade stainless steel to ensure longevity and resistance to corrosion through repeated sterilization cycles. By utilizing the best Johnson-Promident Classic E-Type Motor 4-Hole, clinicians benefit from a forward and reverse drive system that is easily adjustable via a directional ring located at the base of the unit. The internal components are balanced to minimize vibration and noise, creating a more comfortable environment for both the practitioner and the patient.

Its 4-hole connection ensures proper air exhaust and drive air flow for optimal performance across all speed ranges. This motor stands as a reliable workhorse for labs and clinics that require a durable, low-maintenance solution for daily restorative and prosthetic workflows. The simplicity of the E-type interface allows for rapid switching between attachments, maximizing efficiency in the dental chair.