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Koki Holdings Co.,Ltd.


MULTI VOLT(36V) Cordless Impact Wrenches

WR36DA / WR36DB Cordless Impact Wrenchs
  • Brushless Motor
  • IP56
  • The combination of the high power output MULTI VOLT battery and high efficiency brushless motor delivers power and torque equivalent to an electric (AC) model*1
Tightening Torque*2
When tightening a M30 high-tension bolt using a hex. socket for 3 seconds.
Time to Drill a Hole

Nut-Busting Torque*2
WR36DA: 1,800Nm
WR36DB: 1,650Nm

Runtime per Charge*2(With the BSL36A18 battery)
When tightening M24 x 80 high-tension bolts (3 sec. per bolt)

WR36DA: Approx. 95 high-tension bolts
WR36DB: Approx. 100 high-tension bolts

*1: Compared to the WR25SE corded impact wrench.
*2: The values are for reference purposes. They vary depending on the material and operating conditions.

  • Compact and Lightweight for Ease of Use

  • Variable Speed Control and 4-Stage Tightening Mode Selector for a Variety of Applications
  • 打撃力4段切替スイッチ
  • Tightening Mode Settings
    Mode Low1 Low2 Medium High
    Tightening Mode
    Indicator Lamp
    弱モードの点灯表示 中モードの点灯表示 強モードの点灯表示 単発モードの点灯表示
    Applications Light Load Middle Load Heavy Load
    Car maintenance /
    Erecting and dismantling scaffolding
    Bolting and unbolting
    pipe flanges /
    Assembly of conveyors
    Bolting steel beams /
    Heavy equipment maintenance
    The tightening torque depends on the material, size and class of the bolt. Make a test fastening to adjust the mode setting to suit the bolt.
  • IP56 Dust and Water Resistant*
IP56 Thanks to the unique design of dust-protective cooling windows and fully plastic coating on some important inner parts, this product conforms to IP56 protection class ratings (dust and water resistance) for electrical equipment as stipulated by the international IEC regulations.

* The equipment has been designed to withstand the effects of dust and water, but there is no guarantee that it will not malfunction. Do not use or leave the equipment in locations where it is subject to excessive amounts of dust, or in locations where it is submerged in water or subject to rainwater. (Only the main unit conforms to the IP56 protection class ratings when equipped with a battery.)


Model WR36DA WR36DB
Capacity Bolt M12 – M30 (15/32" – 1-3/16")
High Tension Bolt M10 – M24 (3/8" – 15/16")
Square Drive 19mm (3/4") 12.7mm (1/2")
Tightening Torque 1,100Nm (812ft-lbs.) 1,050Nm (775ft-lbs.)
Battery Voltage 36V
No Load Speed High Mode 0 – 1,500/min
Medium Mode 0 – 1,200/min
Low 2 Mode 0 – 900/min
Low 1 Mode 0 – 600/min
Impact Rate High Mode 0 – 2,900/min 0 – 2,800/min
Medium Mode 0 – 2,300/min
Low 2 Mode 0 – 1,800/min
Low 1 Mode 0 – 1,200/min
Overall Length 221mm (8-45/64")
Weight*1(Battery included) 3.7kg (8.2lbs.)
Vibration Total Values(triax vector sum)*2 Vibration emission
value ah = 15.4m/s2
Uncertainty K = 1.5m/s2
Vibration emission
value ah = 14.8m/s2
Uncertainty K = 1.5m/s2
Standard Accessories*3 2 Batteries (BSL36A18), Charger (UC18YSL3), Battery Cover, Carrying Case

*1: According to EPTA-Procedure 01/2003.
*2: Vibration total values (triax vector sum) determined according to EN60745.
*3: Standard accessories vary by country or area.

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