Average Reviews:
(More customer reviews)I recently purchased this Makita HR4010C,1 9/16 11 amp SDS-Max rotary hammer with AVT primarily to help me dig holes for posts and plants in my rocky,clay soil (called chert) in Northeast Alabama.Also wanted to use it for breaking up concrete and mortar to put in a new walkway. Ialso bought12 inch and 18 inch bull points(Hitachi) and a Dewalt clay spade (as recommended in other reviews,but not sold on Amazon) and a scaling chisel.
I had read good reviews on other sites prior to purchase.
This Makita breaks up concrete with the bull point easily, no vibration. I used it again today to help dig several post holes (the first 18 inches of 24) and using the clay spade for the first foot and,then the 18 inch bull point for the deeper work.It worked great, and again no vibration.Now I need a 24 inch bull point.The Dewalt clay spade digs fine too.I have other Makita tools and have never been disappointed in their quality or durability.This HR4010C is worth what I paid for it and I can recommend it without hesitation, because if you want a tool of this type that will do the job and last, it will cost you for sure.I am an average-sized person( 5 ft 10 in,167 lbs),65 years old, and I handled it easily. Be certain to use the provided grease for the hub end of the implements and clean it off after using them .
Follow-up/ It's Sept.08 and this tool is still going strong after many projects. It's worth all that I paid for it. No problems.pathdoc60
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Product Description:
Tough on concrete, not on you. Makita's hard-hitting HR4010C 1-9/16-Inch SDS-MAX Rotary Hammer is equipped with Anti-Vibration Technology (AVT), an exclusive counterbalance system that reduces vibration. The result is more efficient hitting on the concrete and less vibration in the tool--and the tool user.
View largerHR4010C FeaturesPOWER - 11 AMP motor with Soft StartCOMFORT - Makita's exclusive AVT counterbalance system reduces vibrationPERFORMANCE - Synchronized RPM and BPM for up to 50% more efficient drillingCONTROL - Torque limiting clutch disengages if bit bindsINCLUDES - Side handle, D-handle, depth gauge, grease and case
Tool SpecificationsCapacity: Concrete
(w/ core bit)4-1/8"No load speed235-480 RPMBlows per minute1,350-2,750Impact energy9.5 JoulesAMPS11.0Bit typeSDS-MAXOverall length18-1/2"Net weight13 lbs.11 AMP Power with 2-Mode Operation
The HR4010C with AVT is engineered with an 11 AMP motor that provides plenty of power, with a no load speed of 235 to 480 RPM and 1,350 to 2,750 BPM. The synchronized RPM and BPM prevent overlapping impacts for up to 50% more efficient drilling. The hammer features two modes of operation--"hammering with rotation" and "hammering only"--with a built-in torque limiter that ensures stable torque control and disengages the motor should the bit bind or hit reinforcements. In addition, the electronic speed control reduces speed loss when working in heavy applications to ensure maximum productivity. The HR4010C also has a variable speed dial with five settings to match the bit speed to the application. An L.E.D. power light indicates switch failure or cord breakage, and an L.E.D. service light indicates when carbon brushes need to be replaced. The HR4010C is built with large size carbon brushes that have up to twice the life of competitor models.
More Work, Less Vibration
The HR4010C is equipped with AVT, Makita's exclusive counterbalance system that reduces vibration for more efficient hitting power. The HR4010C weighs 13 pounds and has two options of side handles available (straight and D-shaped, both with rubberized grips), and a large rubberized rear handle, all of which contribute to the overall comfort of the tool. The recessed operation mode switch helps prevent it from being damaged, while the one-touch sliding chuck allows for quick bit changes.
Versatile Design for a Range of Applications
The HR4010C is a versatile, hard-hitting rotary hammer for masons, remodelers, electricians, plumbers, demolition contractors, and general contractors seeking a best-in-class industrial quality rotary hammer. The tool is built for drilling large anchor holes and breaking concrete and other masonry materials. The HR4010C is just another example of Makita's commitment to innovative technology and best-in-class engineering.
About Makita's Anti-Vibration Technology (AVT)
Makita Anti-Vibration Technology (AVT) Makita has adapted the science of earthquake engineering into power tools with Makita's Anti-Vibration Technology (AVT). AVT is an exclusive innovative counterbalance design that provides the professional a power tool solution with up to three-times less vibration, less noise and more efficient power than the competition. Seismic research has developed this damping science to absorb shocks and protect buildings from the devastation of earthquake vibrations. AVT dynamic damping involves reciprocating engineering where a mechanical damper, effectively a counter balance weight, provides an equal and opposite anti-vibration force that puts an equal mass directly opposite the point at which the striker bolt delivers the impact joules to the breaker steel, carbide bit or recipro saw blade. As vibration is eliminated, power is efficiently increased. Without the dissipation of power through vibration, more of the generated energy in the motor can be delivered to the tool bit itself.
About Makita
Makita is a worldwide manufacturer of industrial quality power tools and offers a wide range of industrial accessories. Makita applies leading-edge innovation to engineer power tools that are more compact and energy efficient, yet deliver industrial strength power and results. Makita U.S.A., Inc. is located in La Mirada, California, and operates an extensive distribution network located throughout the U.S. For more information, please call 800/4-MAKITA (800/462-5482) or visit makitatools.com. Makita is Best-in-Class Engineering.
Warranty
Every Makita tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita tool within 30 days of purchase, return it and Makita will provide a replacement or refund. Each Makita tool is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita's Factory or Authorized Service Centers.
What's in the Box
Makita HR4010C 1-9/16-Inch AVT Rotary Hammer, side handle, D-handle, depth gauge, bit grease and plastic tool case.
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