Power shut off tools Wrench EYFMA1J / EYFMA1B

Power shut off tools  Wrench EYFMA1J / EYFMA1B
Power shut off tools Wrench EYFMA1J / EYFMA1B
Product Description

Power shut off tools Wrench EYFMA1J / EYFMA1B / EYFMA1JR

  Cordless Mechanical Pulse Tool
Chuck Size 12.7mm Square Drive
Pin-hole type
12.7mm Square Drive
Ball type
Application M10 bolt (Tensile bolt)
M12 bolt (Normal-Tensile bolt)
M14 bolt (Normal bolt)
Maximum torque (F mode, fastening 3 sec.) approx.185 Nm (M16 bolt)
Torque control function operating range approx. 25100 Nm
Torque Setting 30 stage + F (without torque setting mode)
Flush Detection Mode Applications L1: For lighter loads during fastener run down
L2: For prevailing torque during run down and varying joint rate applications
No load speed (unit : rpm) 0 ~ 2300
Impact per minute 0 ~ 3200
(inc. battery)
EYFB40B approx. 1.5kg
EYFB41B approx. 1.3kg
Size Length 172mm
Height 248mm (EYFB40B), 231mm (EYFB41B)
Width approx. 59mm (Width of battery pack: approx. 75mm)
Function Wireless Communication EYFLA6JR only
with assembly qualifier
(OK fastening: Green lamp,
NOK fastening: Red lamp)
LED Light X
(ON/OFF switch, Light off after five minutes automatically)
Tightening confirmation lamp X
(OK fastening: Green lamp, NOK fastening: Red lamp)
Retightening Prevention Function X
(Possible to set between 0 ~ 3sec.. 0.1 sec. per stage)
Battery indication lamp X
(3 stage)
Auto-Power Stop function X
Application Capacity/ Working Speed approx. 550 pcs/pack
approx. 0.9 sec/1pcs (EYFB40B)
approx. 350 pcs/pack
approx. 0.9 sec/1pcs (EYFB41B)
<M12: 71 Nm, Stage: 22>
Charging time Usable Charge: approx. 40 min.
Full Charge: approx. 55 min (Battery pack EYFB40B, Charger EY0L82B)
Usable Charge: approx. 35 min.
Full Charge: approx. 40 min (Battery Pack EYFB41B, 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 Panasonics 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 EYFB30B / EYFB32B

  • EYFA02-H (gray): for EYFB30B
  • EYFA03-H (gray): for EYFB32B


Protector for Tool EYFLA / EYFMA

  • EYFA01-A (blue)
  • EYFA01-Y (yellow)
  • EYFA01-H (gray)
  • EYFA01-G (green)








Contact Us

153, Narayan Dhuru Street, Mumbai, Maharashtra, 400003, India
Phone :+918037304275