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Bare-Tool Hitachi G18DLP4 18-Volt Lithium-Ion 4-1/2-Inch Angle Grinder (Tool Only, No Battery)

4.3 out of 5 stars 13 customer reviews

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  • Tool body compatible with all Hitachi Lithium Ion, NiCd and NiMH 18V post-style batteries
  • High torque motor with no-load speed of 9,100 RPM to power through tough cutting and grinding applications
  • Slim body design with soft touch grip for improved control and comfort
  • Slide switch with quick off feature to immediately shut tool down for added safety
  • Removable side handle improves comfort and control
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Product Description

Product Description

Hitachi G18DLP4 18-Volt Lithium-Ion Cordless 4-1/2-Inch Angle Grinder (Tool Only, No Battery)

From the Manufacturer

The Hitachi G18DLP4 18-Volt Lithium-Ion Cordless 4-1/2-Inch Angle Grinder (Tool Only) is compatible with all Hitachi Lithium-Ion, NiCad and NiMH 18-volt batteries. The Hitachi G18DLP4 has a high torque motor with a no-load speed of 9,100-RPM to power through the toughest cutting and grinding applications. The Hitachi G18DLP4 features a slim body design with a soft touch grip for improved comfort and control. It is lightweight and its compact design is for maneuverability, especially in overhead applications. It has over current protection circuit to prevent motor damage. It also contains externally accessible carbon brushes for easy maintenance and prolonged tool life, spindle lock for quick and easy wheel changes and safety reset to prevent accidental start up. Side Handle (318312), Wrench (938332Z) and Depressed Center Wheel (727535) are included. The Hitachi G18DLP4 18-Volt Lithium-Ion Cordless 4-1/2-Inch Angle Grinder (Tool Only) is warranted to the original purchaser to be free from defect in materials and workmanship for a period of 1-year from the original purchase date. Hitachi Power Tools (Hitachi Koki USA, Ltd.) provides professional-grade power tools for a variety of applications, including woodwork, metalwork, concrete, drilling, cutting and fastening. Since its inception, Hitachi has pioneered innovative technologies that have improved the quality of craftsmanship worldwide. Hitachi is a leader in power tool research and development and has achieved many firsts in the power tool industry. Today, Hitachi continues the tradition of innovation and engineering with new features in addition to classic quality.

Product Information

Technical Details

Part Number G18DLP4
Item Weight 5.2 pounds
Product Dimensions 6 x 5.9 inches
Item model number G18DLP4
Power Source electric-powered
Voltage 18 volts
Included Components bare-tool
Batteries Required? Yes
Warranty Description This product is guaranteed by Hitachi's industry-leading warranty to be free from defect in materials and workmanship for a period of five years from the original purchase date.

Additional Information

ASIN B001G60AZC
Customer Reviews
4.3 out of 5 stars 13 customer reviews

4.3 out of 5 stars
Best Sellers Rank #456,629 in Home Improvements (See top 100)
#718 in Home Improvement > Power & Hand Tools > Power Tools > Grinders
#20,644 in Home Improvement > Contractor Supply
Shipping Weight 5.2 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available April 3, 2007

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
If you are like me, you may be looking at this tool and thinking "why would I buy a grinder, no battery, etc."? This was an excellent deal for me, here's what I did: I bought a Hitachi 18v driver / drill combo set that included a carry bag, charger, and 2 batteries. The batteries are fully interchangeable, both the Ni and the Li-ion, between the Hitachi tools. This saved me about $120.

The grinder is lightweight, powerful, and the Lithium ion batteries you may use from another set are very lightweight. I have used the grinder on concrete, for cutting the bottoms of door jambs, tile, and other applications. It has plenty of power to spare, and does a superb job.

I have become a real fan of Hitachi tools over the last year. I started with the combo set I mentioned above, and have expanded my tool set to include almost all of Hitachi's 18v cordless tools (reciprocating saw, etc.), as well as a miter saw and a few other power tools. I recommend looking at the reviews for each type of tool you are considering, but let me tell you that I saved a lot of money and have totally interchangeable tools using just a few batteries (which is where most of the expense is). I highly recommend Hitachi 18v cordless tools and this grinder in particular.
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Verified Purchase
This is a bare tool and comes without a battery. Clearly stated, but it says "compatible with all Hitachi Lithium Ion, NiCd and NiMH 18V batteries." That is not true. Newer Hitachi 18V cordless tools, like my drill driver, come with their newer "slide" batteries. This tool is not compatible with those. This tool uses the older "post" batteries. I talked to Hitachi (easy to get a hold of and very helpful, by the way, thus the 5 stars) and they as yet do not make an angle grinder compatible with the slide batteries. Nor is there any sort of adapter available that they knew of. Bummer. I had to return this tool (free and very easy to do with Amazon's awesome return policy). I am sure this is a nice tool, but the description needs to change to indicate compatibility with Post batteries only , not slide batteries.
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Verified Purchase
I purchased this in the middle of an emergency remodel of a rental. I already owned several of these Hitachi tools and batteries. It is great to be able to grab it quickly and get to work on a variety of projects without messing with a cord. I have used it with flap-disks for removing rust and trimming a sticky door, a cutting wheel for nails and padlocks, and a grinder for normal metal-grinding stuff. It DOES NOT take the place of a corded grinder, as the type of tool it is does drink the juice. It is for quick jobs. You only get about 4-6 minutes max of continuous heavy grinding out of a charge. I would also recommend the larger (3.0Ah) battery for longer life AND it balances the tool perfectly.
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Verified Purchase
...well it goes through batteries like something that goes through batteries REALLY REALLY fast...

I got this cordless to use to prep the front of my house for paint. My place is over 100 years old & has a kaleidoscopic layering of paint that you would expect from an ancient & urban abode. I was using a corded grinder to do a lot of the prep but I needed a 4.5" grinder to fit the paint removing pads that i had read about (Wagner Power Products 513041 Paint Eater Replacement Disc), and I thought that a cordless would be SOOOOO much more convenient. And it was... for the first 10 minutes. Then the grinder died & I thought "Aww no way... i must've grabbed a partially charged batt." Slapped the new batt in... same deal. So I actually *bought* a new batt just in case--same deal. YIPES!! At this rate i would need 3 chargers & 9 batteries to pull this off. It's a real shame too because the time that it was grinding you really notice how much nicer things are "sans cord"...

Now you may be thinking "Oh he's just way overpowering it--pushing so hard the motor nearly stalls." Nope. I was actually babying it, even more than usual because i've read that these particular paint disks work better with a super light touch.

So my final suggestion to those of you out there drawn to the siren call of going completely cordless: don't do eet! At least not with this grinder. I can't speak for any other brands (Bosch, Milwaukee or whatever) but this one doesn't cut it for anything but, IMO, light duty work. If all you need is to have something handy to cut the odd bolt or some rebar or perhaps for some lighter tile work you will probably be fine with this product...
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As with all my hitachi tools, I am very happy with this cordless grinder. I use it primarily with a metal cutting wheel. While building a machine shed on my small farm with no electricity, I would charge both of my Li ion batteries before heading out to the farm. I was able to cut the top angles of a 24ft gable end of barn metal with one battery and screw on the metal with the other. Both batteries lasted long enough to do the job. [one side] I hope that hitachi will keep making such dependable products. I know other tool manufacturers that made quality tools in the past have went downhill lately. Dewalt to name number one on my down hill list. Hitachi, Good tools, good prices.
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