Dewalt DCF899HB Review (An Impact Wrench Buying Guide)

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Dewalt DCF899HB Review will help you to know about a high torque 1/2" impact wrench is a tool that makes work easy to be tightened or loosen a bolt. A torque impact wrench of this type makes everything much simpler. The high torque impact wrench allows you to tighten screws and bolts according to the tightening torques to optimize the assembly of the devices.

 The torque wrenches are equipped with a reversible ratchet. That allows screwing and unscrewing the components or acting on components with reverse screw direction.

In fact, DEWALT DCF899HB 20 V MAX XR Brushless High Torque 1/2" Impact Wrench is professional tools. It is able to tighten in a controlled manner and with the right strength, without effect on the reliability of the screw or bolt.

When you have to screw or unscrew the screws quite difficult, the most useful tool that you can use this wrench. In the workshop, the torque wrench is the excellence tool used by mechanics, repairers, coachbuilders, tire dealers, but also in all industrial processes. They perform the assembly of pieces between them, from cars to appliances.

Dewalt DCF899HB

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Dewalt DCF899HB Review And Features

The Brushless High Torque 1/2" Impact Wrench is among the best known in the market. Every Impact Wrench is ideal for the controlled tightening of screws, bolts, nuts at the right torque value.

 Once proven the quality of a torque dynamometer it will be impossible to go back. Since it is the right tool for car repairers, mechanics and for all those who have to deal with screws and bolts. 

This torque wrench allows setting a specific torque range that is between a minimum value of Nm and a maximum value. It also allows setting a different shutter that determines the sensitivity of the key.

The torque range is adjusted by a graduated ring, which almost all the keys is placed on the handle. When the set torque value is reached, the key emits a sound, a click, which is also perceived by touch.

DEWALT DCF899HB 20 V MAX XR Brushless High Torque 1/2" Impact Wrench is useful for right handed and left handed tightening. That offers a clamping accuracy. This type of Wrench has the classic pistol shape handle. This allows those who work to have a firm grip at the same time.

 It is also comfortable without going to tire arm and wrist. It is one of the features of these tools is light and compact. In case a certain resistance threshold is exceeded, there is a security system. That allows it to preserve the reliability of the instrument. It has variable speed and compact system in the tightest conditions.

DEWALT has lightweight with a high-performance motor and Multi-speed control speed range offers powerful performance. This impact wrench can grip 6 to 8 fit drops. It is also resistant to cleaner’s chemicals, and grease.

Dewalt DCF899HB impact wrench

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Specifications Of Dewalt DCF899HB 

  • Brand: DEWALT
  • Model: DCF899HB
  • Maximum torque Up to 700 ft-lbs
  • Maximum breakaway torque 1200 ft-lbs
  • Multi-speed 400/1200/1900 rpm
  • Type of power tool: Cordless
  • Tool length 8.81 in
  • The weight of the tool 5.8 lbs
  • Anvil Size: 1/2 "Anvil with hog ring
  • Working time: About 7 hours when full of charge
  • Voltage: 20 volts
20v max xr high toque

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  • It is easy to use in narrow and confined spaces.
  • This Torque Wrench can be used very easily
  • It minimizes user fatigue.
  • The variable speed trigger provides the best results
  • Ideal for both left and right-hand tightening
  • The tightening does not damage the thread
  • This torque wrench is reliable and ensures not to damage the bolt
  • It makes little noise during the operation.

How to buy Impact Torque Wrench

As the first factor in choosing a torque wrench, we must take into account the tightening torque values with which we will use the torque wrench more frequently. Torque Wrench provides the necessary of precision and documentation regarding tightening.

We must remember that the maximum torque is always greater than the actual working torque. Therefore, it is important to know what the suggested torque value is for the service.

Before buying a torque wrench, it is advisable to read the use and maintenance manuals relative to the work to be carried out. For example on machines, motorcycles, mechanical equipment, CNC machines etc. Follow the tightening torques indicated by the manufacturers.


When choosing a torque wrench it is necessary to ensure high reliability for the correct functioning of the assembled components. The accuracy of the torque wrenches must be provable and noticeable through multiple stages. The reliability of the measured values should be guaranteed.

Dewalt DCF899HB  impact

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Torque and speed

Having more ipm means that there is more contact between the tool and the clamping element. More contact means that this clamping element is held firmly in place. If we consider the values of torque and speed, we can select perfect impact wrench. Lets see a video review from Real Tool Reviews youtube channel.


We should look for in the design are related to the vibration levels and the total weight of the tool. That influences the user's fatigue with prolonged use. The vibration can be reduced by various oil bath clutch mechanisms incorporated into the tool. The impact wrenches offered housings that made of magnesium, titanium, aluminum or composite material.

Noise levels

Lower air consumption and lower noise levels are other factors to choose the best Impact Torque Wrench. That will contribute to a work environment that is friendlier to the environment. Many manufacturers have kits include an impact wrench and a set of compatible impact keyholes.

Final Verdict

The best offer is available to get the best impact torque wrench. We must understand first what operations should be performed with the tool. Since as pointed out, this wrench is mainly used in less difficult and difficult situations. Professionally it is preferable to opt for one of the higher ends. Tightening with incorrect torques could damage the piece or break it. If we cannot rely on the accuracy of this type of tool, it is valuable to carry out the tightening manually. It is a necessary impact torque wrench for screws and bolts with high tightening torques. We think our Dewalt DCF899HB Review definitely help you to make your buying decision.

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