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Screwdriver EYFGA3A / EYFGA3AR


  Cordless Screwdriver
Chuck Size 6.35mm Hex Quick Change
Application Screw M5•M6 (Normal—Tensile bolt)
Clutch Torque Approx.5 - 10 N·m
Clutch Setting Stage 1 - 60, Total 60 stages (Approx. 0.13 N·m per stage)
Torque Accuracy ±10% Cmk 1.67 (*Compliant with ISO5393. Measured with the Max RPM setting) (*In 3N·m range)
No Load Speed (unit: rpm) 0 ~ 450
Weight*1 (inc. battery) EYFB41B approx. 1.3kg
EYFB40B approx. 1.55kg
Size (L×H×W) EYFB41B 199mm × 232mm × 54mm (Width of battery pack: 75mm)
EYFB40B 199mm × 249mm × 54mm (Width of battery pack: 75mm)
Function Rotation Speed Adjustment (Max.RPM) X (Possible to choose the Max.RPM setting. GA1:150-800 rpm / GA2:150-750 rpm / GA3:150-450 rpm. 10RPM per stage) *Same Max.RPM in reverse rotation
Auto Downshift Function X (Possible to choose the timing of auto downshift between 0 ~ 3 sec. 0.1 sec. per stage)
Cross Thread Reduction X (The tool rotates approx. 360 degree in reverse before fastening starts. Possible to choose ON/OFF)
Rundown Error Detecting Function X (Alert with Red light. Possible to set between 0 ~ 3 sec.. 0.1 sec. per stage)
Maintenance Interval Alarm Function X (Possible to set between 0 - 990,000 times. 10,000 times per stage)
Wireless Communication
LED Light X (Possible to choose from the 2 LED light modes. by ON/OFF switch or trigger switch interlocked)
Buzzer X (Possible to choose from the 3 buzzer modes, No buzzer, buzzer with OK or buzzer with NOK)
Tightening Confirmation Lamp X (OK fastening: Green lamp. NOK fastening: Red lamp)
Retightening Prevention Function X (Fixed to 0.7 sec.)
Battery Indication Lamp X (3 stage)
Auto-Power Stop Function X
Application Capacity/ Working Speed EYFB41B Hard Joint 30° approx. 1100 pcs/pack approx. 1.0 sec./1pcs (M6: 10 N·m)
Soft Joint 720° approx. 310 pcs/pack approx. 1.4 sec./1pcs (M6: 10 N·m)
EYFB40B Hard Joint 30° approx. 1950 pcs/pack approx. 1.0 sec./1pcs (M6: 10 N·m)
Soft Joint 720° approx. 570 pcs/pack approx. 1.4 sec./1pcs (M6: 10 N·m)
Charging time Usable Charge: approx. 35min. Full Charge: approx. 40min (Battery Pack EYFB41, Charger EY0L82B) Usable Charge: approx. 40min. Full Charge: approx. 55min (Battery Pack EYFB40, Charger EY0L82B)

*1 Weights are described in 0.05kg increment.
There are models limited to particular region.
Battery pack is not included.




Assembly Qualifier EYFR02B

The Panasonic EYFR02B is a single tool controller for communicating to Panasonic’s wireless assembly tools. The simple design provides the operator a clear visual and audio feedback, informing the operator of a pass or fail fastening strategy. Connecting the I/O to line stops or a PLC enables additional error proofing capabilities; reducing defects, increasing overall productivity and product quality which leads to a money savings.

Battery pack EYFB40B, EYFB41B

  • 14.4V Li-Ion battery pack
  • EYFB40B: High capacity 3.3Ah
  • EYFB41B: Light weight 2.0Ah

Charger EY0L82B

  • Charger EY0L82B for all 10.8 - 28.8V batteries

Remote control EYFA31B

Protector for Battery EYFB40B / EYFB41B

  • EYFA04-H (gray) for battery EYFB40B
  • EYFA06-H (gray) for battery EYFB41B

Protector for Tool EYFGA

  • EYFA05-A (blue)
  • EYFA05-Y (yellow)
  • EYFA05-H (gray)

Clutch Adjustment Handle EYFA32

  • Easy torque adjustment for EYFGA

Tool Hanger EYFA40 for Screwdriver EYFGA

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