Impact drill and rotary hammer are both excellent for drilling masonry. Rotary hammer are more powerful, although, Impact drill only can hammer function without rotation. Rotary hammer usually have an SDS chuck, which is better for hammering.
Sure, people can drill a hole or two in a concrete block with a regular drill and a masonry bit, but you’ll want to step it up a notch if you have a whole bunch of holes to drill into 50-year-old concrete. In this story, we’ll give you the lowdown on the differences between what is a impact drill and a rotary hammer, and help you figure out which tool is right for you.
Impact drill and rotary hammer both produce a pounding force that makes them extremely efficient at blasting through masonry. As the impact drill spins, the bit chisels away at the masonry. The mechanical process that delivers this pounding action is what separates the two tools
A impact drill has two gears that have ridges resembling the ridges on a poker chip. As one gear slides past the other, it rises and falls, causing the chuck to slam forward and back. If there is no force on the chuck, the gears are separated by a clutch and the pounding action stops. This saves wear and tear. Many impact drills can be used as a regular drill by switching off the hammering action.
A rotary hammer creates its pounding action with a piston driven by a crankshaft. The piston rides in a cylinder and creates air pressure when driven forward, and it’s the air pressure that actually drives the hammer mechanism. Rotary hammer provide a lot more impact energy than impact drill. They’re much more durable and are the preferred tool of the pros. Another big advantage is that rotary hammer always have three functions: drilling & hammering drilling & adjusting & chiseling, but BENYU brand rotary hammer can be done with four functions, one more function is that operator can set rotary hammer with two kinds of no-load speed during working, the model named BHD 2623, that multi-function can work on different material with different drill bits, will highly improve operator’s work efficiency.
Impact drill Bits
A impact drill is perfect for light masonry. It works best at drilling holes in bricks, mortar and concrete blocks. But it can also handle the occasional hole in poured concrete.
You don’t need to spend tons of money on impact drill bits, but more expensive bits are usually equipped with superior carbide tips, and the tips are more securely attached to the shank of the bits, which reduces breakage in heavy use.
ROTARY HAMMER BITS AND ATTACHMENTS
The most popular type of chuck on the shelves at home centers today is the SDS-Plus. SDS-Plus bits have grooves on the shanks that lock securely into the chuck but allow the bit to move back and forth independently of the chuck. They’re super easy to insert and remove — no tools required. Some of the really big rotary hammer have a similar system, but larger called the SDS-Max. BENYU brand also provide SDS-Max rotary hammer so make sure the bit matches the when using.
When set to hammer mode, rotary hammers can be used for all sorts of jobs, and there are a whole lot of attachments to get those jobs done, benyu company also can provide many kinds of accessories for rotary hammer.
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