subject: Makita Hr3851 Spline Rotary Hammer - Making Tough Jobs Simpler [print this page] The Makita HR3851 is a powerful 10 Amp rotary hammer which has a spline drive system enabling this tool to give maximum power whilst carrying out the most challenging of jobs in demolition and construction like for example breaking up concrete and asphalt. It has a special air cushion design ensuring that it delivers hard hitting and fast drilling on any type of task and can also boast a torque limiting clutch.
You will find that this tool has ball and needle bearings which you can be sure will lengthen the life of your Makita HR3851 rotary hammer, whilst the auto brush cut off system will make certain that necessary maintenance is carried out in good time giving the motor ultimate protection. Maintenance on this tool however, is minimal because it is grease packed at the factory and is therefore ready to go straight from the box.
Some important Makita HR3851 rotary hammer dimensions:
*Length: 17.5 inches
*Net weight: 16.5 pounds
One more really useful feature is that this model has a lever change which gives the ability to change quickly and easily from rotary hammering to just hammering.
This is not a cordless tool which for some may be considered a disadvantage however it can run of AC and DC power making it very portable.
Here are some more facts and figures!
*Rated RPM: 240
*Impact Energy: 7.7 Joules
*Blows per Minute: 2,900
*Capacity Concrete (with core bits): 4-5/8inches
A fairly impressive set of numbers
So, what can you expect for your cash? The Makita HR3851 Rotary Hammer comes with hex wrenches numbers 4 and 5 and also a extremely useful plastic tool case for safe storage.
Spare spline drive bits are extensively available so there is no need to go looking for specialist retailers and with the exceptional power you will find it has the ability to allow the use of many additional accessories take for example the shovel head when working in earth is necessary.
Makita's HR3851 rotary hammer can compete extremely with other rotary hammers in its class, it is slightly cheaper to purchase and for the cost is equally if not more durable than other brands. It can really take a beating on demolition and construction sites with very low maintenance required!
Over the years we have come to expect nothing less than fantastic quality from Makita. The company produced its first electric tool way back in 1958 but has been producing electrical motors for more than 85 years and over that time has succeeded in building its reputation and business based on the consistently excellent quality of its products. Today, it is safe to say that Makita is one of the largest manufacturers of power tools in the world.
