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Makita Brushless Wrench DTW285Z


Product Code: DTW285Z
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Makita Brushless 285NM Torque Wrench

User benefits:

  • Electric brake
  • Variable speed control by trigger
  • Forward / reverse rotation
  • LED job light
  • Brushless motor
  • Compact design with overall length of 147mm
  • Phosphorescent bumper
  • Ergonomic soft grip
  • Equipped with Battery protection circuit: designed to protect the battery from damages due to overdischarge, high temperature or overload current.
  • Battery fuel gauge
  • Reverse rotation auto stop mode: This mode works only with pulling the trigger fully in counter-clockwise rotation. When the bolt/nut gets loosened enough, the tool stops the impact and rotation in 0.2 seconds.

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Technical info:

Battery Type  

Ni-Cad (Nickel Cadmium) battery.
These batteries are reasonably priced but are very damaging to the environment. They also need to be completely discharged and cool to be able to accept a full charge.

Ni-MH (Nickel Metal Hydride) battery.
With this battery technology it was possible to increased the amperage to 3.0Ah, they are also a better option environmentally than Ni-Cad. They can be fully charged whether they are warm or partially discharged.

Li-ion or Lithium-ion batteries.
Lighter weight, quicker charging and with more run time than an equal voltage Ni-Cad or Ni-MH battery. These batteries have a chip that communicates with the charger for optimum charging. Lithium-ion batteries also offer much improved charge retention over long periods of storage. Li-ion batteries do not have to be fully discharged before charging in fact they can be charged at any time with no ill effect.

Lithium-ion
Body only machine  

Body only
Body only models are supplied without batteries, charger and case. Due to the one battery fits all aspect of the Makita cordless products our batteries are interchangeable across machines in the same range. This makes putting together the perfect kit more affordable and creates less impact on the environment.

 
Voltage
18 v
Battery quantity (4.0Ah)
0
Driving Shank
1/2" Square
Blows per Minute (Hi) - ipm
0 - 3500 ipm
Blows per Minute (Med) - ipm
0 - 2600 ipm
Blows per Minute (Lo) - ipm
0 - 1800 ipm
Standard Bolt
M10-M20
High Tensile Bolt
M10-M16
Noise sound pressure  

Sound level
Machines have the habit of producing noise. Noise above 80 dB (A) is harmful.  The maximum time of exposure depends on the sound pressure level:


80dB (A): 8 hours
83dB (A): 4 hours
86dB (A): 2 hours
89dB (A): 1 hours
92dB (A): ½ hour
95dB (A): ¼ hours

96 dB(A)
Noise sound power  

Sound level
Machines have the habit of producing noise. Noise above 80 dB (A) is harmful.  The maximum time of exposure depends on the sound pressure level:


80dB (A): 8 hours
83dB (A): 4 hours
86dB (A): 2 hours
89dB (A): 1 hours
92dB (A): ½ hour
95dB (A): ¼ hours

107 dB(A)
Noise K factor  

K factor
The "K factor" is an industry standard uncertanty figure. It represents the natral variation in testing for noise. The true noise figure could be + or - the K factor figure.

3 dB(A)
No Load Speed (hard/med/soft)
0-2800 / 2100 / 1600 rpm
Max Fastening Torque
280 Nm
Vibration: Fastening Bolt  

Vibration
Machines by their nature have the habit of transferring vibration to the user. Use AVT machines to reduce your exposure to vibration. Vibration above
2.5 m / s ² is harmful.

The maximum time of exposure depends on the vibration value:
5 m/s²: 8 hours
10 m/s²: 2 hours
20m/s²: ½ hours

Tri-axial vibration values are used to calculate all Makita vibration figures.

11.5 m/sec²
Vibration K factor  

K factor
The "K factor" is an industry standard uncertanty figure. It represents the natral variation in testing for vibration. The true vibration figure could be + or - the K factor figure.

1.5 m/sec²
Net weight  

Weight
As a permanent member of EPTA, the European Power Tool Association, Makita is committed to publishing weights in according with the EPTA standards. This standard is derived from EU Directive 1999/44/EC. The standard is a strict agreement with EPTA as to how different machines are to be weighted, so you can compare machines across the market.

1.5 - 1.8 kg

 

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