Product Line

Composite Mini Series

1/4" Reversible Composite Air Mini Screwdriver- Max. Torque: 50Ft-lb (68N-m),13,000RPM / (0.4HP/298W),1,900RPM
Compact and light-weight design
Double hammer clutch (Model No.: 1550)
Direct drive type screw driver for self-tapping screws (Model No.: 1551)
Ergonomic handle with one hand forward & reverse switch
Feather-touch trigger for easy control

Model No.: 1550K Content:
1/4" Reversible Composite Air Mini Screwdriver x 1pc
PH2x100mm x 1pc
PH2x65mm x 2pcs
FD6x50mm x 2pcs
1/4” Air Inlet x 1pc
Mini Oiler x 1pc
Blow Molded Case x 1pc

1/4" Reversible Composite Air Mini Screwdriver

Model No.

1550 / 1551

Free Speed

13,000 RPM / 1,900 RPM


Double Hammer - Model No.: 1550

Max Torque

50Ft-lb (68N-m) - Model No.: 1550

Speed Reducer

3 gear, planetary - Model No.: 1551

Horse Power

0.4HP / 298W

Bolt Capacity

3/16"(5mm) / 5/32"(4mm)

Average Air Consumption

3CFM [85.0 L/min]


170mm ( 6.7 in.)

Net Weight

0.7kgs [1.5 lbs.] / 0.75kgs [1.7 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 1550, Packing: 20PCS/CTN, N.W.: 16KG, G.W.: 17KG, CUFT: 1.2’
Model No.: 1551, Packing: 20SETS/CTN, N.W.: 18KG, G.W.: 19KG, CUFT: 1.2’
Model No.: 1550K, Packing: 5SETS/CTN