Hitachi DH40MEY Brushless Demolition Hammer

DH40MEY Features:

Maintenance Free:

The product life cycle is significantly extended by eliminating troubles with armature burnout, layer short and commutator wear. Besides, no carbon brush replacement is required. 

Acheived by high efficiency brushless motor and optimised hammering mechanism.

*1: of November 2014. Among 40mm class rotary hammers made by leading power tool manufacturers, surveyed by Hitachi Koki.

*2: comparison of the model DH40MEY and the previous model DH40MRY. The results may vary depending on operating conditions.

*3: comparison of the model DH40MEY and the previous model DH40MRY. Mean value for drilling into concrete with drill bits between 16mm and 40mm diameters. The results may vary depending on operating conditions.

* A comparison of the model DH40MEY and the previous model DH40MRY. The results may vary depending on operating conditions.

Hitachi's original, spring-type dynamic vibration absorber

Internal double-insulation construction with a very sturdy aluminium die-cast body

This makes the housing more rigid, significantly enhancing durability of the motor unit.

Push-button, constant speed control with variable speed

Equipped with a built-in electronic control circuit that can adjust the impact rate according to applications. Four-step impact rates can be selected by the rotation speed selector switch.