The Synchro Tapper ST1 is an electronically controlled compact tapping unit featuring an AC servo motor designed to tap small holes effectively.
Unit of Measure


Motor Type

N/A Induction Motor

Max. Rotating Speed- Fast Approach Feed (rpm)

N/A 4000

Max. Rotating Speed - Pitch Feed (rpm)

N/A 3000

Aluminum Tapping Capacity (mm)

N/A M5

Steel Tapping Capacity (mm)

N/A M3.5

Max. Fast Approach Stroke (mm)

N/A 20

Max. Pitch Feed Stroke (mm)

N/A 20

Max. Total Stroke (mm)

N/A 20


N/A 0.4 kW AC servo motor

Weight (kg)

N/A 7

Tapping Capacity

N/A Aluminium M5 Steel M3.5



    Compact Design
    The total unit length is just 322mm. Ideal for a small tapping machine.
    High Performance
    Tap modes such as inching and peck feed can be simply input utilizing either a programming console or a PC. Ideal RPM and feed stroke can be input to optimize performance.
    High Efficiency
    Efficient tapping operations with programmable speeds up to max. 3000 RPM



  • Tapping capacities are for three flute #2 hand tap when tapping 1.5 times the tap diameter in depth.
  • Operational RPM is determined by the material, tapping diameter and tap pitch.
  • The proper lead screw assembly must be selected for each particular tap pitch.