Milwaukee 5378-20 7.5 Amp 1/2-Inch Hammer Drill
by Milwaukee
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Product Details
Manufacturer: MilwaukeeModel: 5378-20
Product features:
- Limited warranty, 30-day no-risk trial
- Black & Decker WM225 Workmate 225 450-Pound Capacity Portable Work Bench
- Triton SJA200 Superjaws Workbench
- Irwin Industrial Tools 10502 Unibit 502 Step Drill Bit Set, 3-Piece
- DEWALT DW1630 1-Inch Bit with 7/16-Inch Shank Selfeed Bit
- DEWALT DW2557 1/4-Inch Hex Shank Drill Bit
Description of Milwaukee 5378-20 7.5 Amp 1/2-Inch Hammer Drill
This heavy-duty pistol grip hammer drill can handle the toughest drilling of 1/2in. holes in concrete. Cordless: No, Rated RPM: 0 - 2,500, Amps: 7.5, Solid Bit Capacity (in.): 1/2, Hammering Modes: Rotation only, hammering with rotation, Blows Per Minute (BPM): 0 - 40,000Tools and Hardware Reviews of Milwaukee 5378-20 7.5 Amp 1/2-Inch Hammer Drill
Customer Review: A Monster In Disguise
Summary: 5 Stars
This drill appears to be somewhat of a normal sized drill. Don't let that fool you. This thing is a monster in disguise. Strong, powerful, and will not quit. I normally use a 14.4 cordless drill. When the drill catches in some material, I am able to release the trigger, with no harm done. On this Milwaulkee corded model running on 110 AC I had an experience I will not forget. I was drilling into some concrete, and must have angled the bit. It caught and although I was holding it very securely it spun so hard that it broke off the depth rod. More importantly, I got a feeling of, I just got bumped by a shark. If I did not let go at the right time, it seriously would have broken my wrist. So the other reviewer who mentioned that is right on the money. I was in a local Milwaukee factory store to replace the broken handle and depth rod, and he suggested I run it at the higher speed which has less torque. The 1/2" chuck is nice for larger bits, and the metal chuck with a KEY guarantees that you are going to get a no slip bit.
Adjustability is nice with two speeds, and hammer and non hammer options easily swithcable.
If you are drilling concrete for a living all day long, then of course the SDS drills, with bit capacity of greater than a foot, are the way to go. If you are a contractor, who occassionally drills through concrete, and want a drill that will handle most any job then this is the one to buy. This thing will bury a 1/2" x 12" long bit without slowing down.
I don't use the drill that often, but it is a blessing when I need it. Concrete with rocks in them will stop a normal drill. The tip of the bit sits on a rock and spins, the hammering percussion crushes the stone.
Milwaukee makes industrial level equipment, and this drill although a standard size bears that kind of performance. Highly recommended. I will be buying more Milwaukee equipment in the future. I thought at first that it didn't look like the best equipment, but don't let the looks fool you. Go Red-Get a Milwaukee.
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