• Clutch adjustable 1/4" air screwdriver

1/4" Clutch adjustable Air Screwdriver, 5-18 Nm, 800 rpm

Model : ST-M5021

Clutch adjustable 1/4" air screwdriver


ST- M5021

Hex shank size

1/4" (6.35 mm)

Capacity bolt size

1/4" (6 mm)

Max torque

45-160 in-lb (5-18 Nm)

Free speed

800 RPM

Air consumption

340 l/min. (12 cfm)

Net weight

1.35 kgs (3 lbs)

Overall length

8-1/4" (210 mm)

Air inlet

1/4" PT

Air hose(I.D)


Working air pressure

6.5 kg/cm3 (90 PSI)


Packing: 10pcs/ Ctn/16.5 kg/ 1.2 cuft



* Pull type bits holder system

Lock on and release simply and stably for bits.


* Precision machined rotors

Extended motor life, Air motor power 0.4HP


* High accurate chuck 


* Low Star Trigger

Gives accurate positioning and control on the work surface preventing drill bit sliding and damage to screw heads.


* Recessed handle mould

Provides a flush fitting for the anti fatigue comfort grip.


* Improved muffler design

Reduces noise to 83 dBA without speed or torque reduction.


* 360 degree Swivel air inlet

Avoid tangled air line and operator fatigue.


* Rear/Handle exhaust

Deflects air from operator and work surface.

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