Milwaukee 2457 20 M12 vs 2457-21

Are you looking for a compact, portable cordless ratchet that still packs enough power to do a real job? Milwaukee 2457 would be the right choice. However, this unit is sold in two different bundles, Milwaukee 2457-20 and Milwaukee 2457-21. What’s the difference between the two? Learn more about Milwaukee 2457 20 M12 vs 2457-21 below!

Continue reading to learn further about:
– The size, weight, and portability of the Milwaukee 2457 ratchet
– The features and capabilities of the Milwaukee 2457 ratchet
– The items coming with Milwaukee 2457 20 M12 vs 2457-21
– Other batteries that you can use on the ratchet
– The performance of Milwaukee 2457 in use
– Whether you should go for Milwaukee 2457-20 or 2457-21

Milwaukee 2457 is a compact cordless 3/8″ ratchet, coming from the renowned Milwaukee M12 line. It has been designed for auto mechanics and repair professionals. Even so, it is also a suitable choice for home users, thanks to the compact and lightweight design. The build quality is impressive. See also: Dremel 7300 vs 7700

The total length is only 10-3/4″, whereas the weight is barely 1.9 lbs. Combined with the low-profile 3/4″ head, Milwaukee 2457 can easily work in tight places. It actually has a steel-reinforced housing, though the outer casing is hard plastic. The variable trigger is indeed metal, and the grip surface is rubberized to secure your handling.

Milwaukee 2457 20 M12 vs 2457-21 are different bundles that come with the same ratchet. So, regardless of which one that you choose, you will get the same features and capabilities.

As mentioned above, Milwaukee 2457 comes with a variable trigger. It will allow you to adjust the speed between 0 and 250 RPM, which is nice. However, keeping the ratchet at a particular speed requires you to keep your finger steady. This takes some skill and patience.

The knob on the back of the head will allow you to adjust the rotation direction. Meanwhile, a slider near the trigger is used for locking the trigger and chuck, in order to use the ratchet like a wrench. This is useful for loosening stubborn fasteners manually.

Milwaukee 2457 comes with a built-in LED, which is put just under the head. It will illuminate the spot below the chuck whenever the trigger is pressed. It is useful when working in dim environments, and for illuminating deep sockets.

Finally, the unit has four LED lights to indicate the remaining battery level. By monitoring the battery, you can avoid getting stuck with a dead tool in the middle of a job. When there is only one light remaining, the battery is under 25% power, so you need to prepare the charger or a battery replacement.

Compatible Batteries
Of course, Milwaukee 2457 is labeled as a M12 power tool not because of nothing. As a M12 power tool, it has been designed to be able to run on any of Milwaukee’s M12 batteries. Milwaukee M12 batteries provide 12V power for compatible cordless power tools from the company.

This is a good thing if you already have a Milwaukee M12 battery, or if you want to upgrade to a battery with a larger capacity, as there are several options available. One huge advantage of using power tools that rely on the same battery type is that you can swap the batteries around when you need to work with different tools, such as a press tool, cut-off tool, circular saw, or rotary tool.

So far, the company has released six different batteries for the Milwaukee M12 series. Some of them can be acquired in combo packs, each of which includes two or more batteries at a more affordable price than if you buy the batteries individually. The batteries in the Milwaukee M12 series are:
– M12 Redlithium XC6.0 (provides 6 amp-hours per charge)
– M12 Redlithium XC4.0 (provides 4 amp-hours per charge)
– M12 Redlithium XC (provides 3 amp-hours per charge)
– M12 Redlithium 3.0 (provides 3 amp-hours per charge)
– M12 Redlithium 2.0 (provides 2 amp-hours per charge)
– M12 Redlithium 1.5 (provides 1.5 amp-hours per charge)

You can classify Milwaukee M12 batteries into two groups, the regular one and the XC (extended capacity) one. The regular batteries have fewer lithium-ion cells and hence are weaker, only suitable for light-duty use. Meanwhile, the XC batteries have more lithium-ion cells, so they can have more power and are preferred for heavy-duty use.

As you can see, M12 Redlithium 3.0 and M12 Redlithium XC seem to have a similar capacity. However, M12 Redlithium 3.0 is much smaller than M12 Redlithium XC. But that’s not the only difference. While the capacity is similar, M12 Redlithium 3.0 actually has fewer lithium-ion cells than M12 Redlithium XC, hence the smaller size, so it is actually weaker.

Included Items
The primary difference between Milwaukee 2457 20 M12 vs 2457-21 is the included items. Depending on your particular condition, you may prefer either the bare tool alone or the tool with some accessories.

Milwaukee 2457-20 should be your choice if you only need the bare tool alone. This bundle only comes with the ratchet, without including any battery or accessory. It can be a good choice if you are planning to get a large-capacity battery in a separate purchase.

You may also choose Milwaukee 2457-20 if you already have another Milwaukee M12 tool and at least one compatible battery. You can swap the battery between your existing Milwaukee M12 tool and the ratchet. However, swapping a single battery between two tools is only feasible if you rarely need to work with those tools. Doing so with tools that you need to use frequently is inconvenient, especially if the capacity of the battery is rather small.

Milwaukee 2457-21, on the other hand, is the more recommended choice to get started for people who don’t have any Milwaukee M12 tool yet. This bundle includes the ratchet along with a Milwaukee M12 Redlithium 1.5 battery and a charger. Since a battery is included, this bundle will allow you to get started right away.

That said, the included battery in Milwaukee 2457-21 has a small capacity. It is only suitable for light-duty work. The battery life is really limited. So, if you need to use the compact cordless ratchet for heavy-duty work, you still need to invest in a larger Milwaukee M12 Redlithium battery.

In Use
One thing to keep in mind, Milwaukee 2457 is more for light-duty work. It is an excellent ratchet as long as the task requires no more than 35ft-lbs of torque. That would be sufficient for working on vehicles. It definitely works well on small-sized bolts. However, it is still not powerful enough to replace a full-fledged air-powered ratchet, and it struggles with the larger bolts.

Milwaukee 2457 would make an excellent secondary ratchet behind a more powerful unit. While it can’t handle the heavier tasks, it works perfectly on tasks that is within its capability. It reliably torques bolts without experiencing any problem, and you can use it on a daily basis.

The maximum 250-RPM speed is rather slow if compared to air-powered ratchets. But if your work only involves a few dozen bolts, the relatively slow speed is not a real problem. You need a faster, more powerful ratchet only if you work with bolts all day long.

The wrench will shut off automatically once the maximum torque is reached. This way, the motor won’t be damaged. As the effect, Milwaukee 2457 makes an excellent choice for installing bolts that need to be locked with a torque wrench.

Milwaukee 2457 is backed by a 5-year limited warranty, regardless of which bundle that you choose. Keep in mind that this warranty only applies to the ratchet, and not the battery. This warranty will cover any defect found in the ratchet’s parts or manufacturing, but it won’t cover any damage that is caused by improper use or abuse.

The battery has its own warranty. The smaller ones are backed by a 2-year warranty, whereas the larger ones are backed by a 3-year warranty.

The company provides excellent customer support. There is now the eService Tool Repair which you can access on the official Milwaukee website. It is meant to serve repairs for consumer-grade individual tools (not for bulk tools used for commercial purposes). Repairs are completed in 7 -10 business days for both warranty and non-warranty. It will provide free FedEx shipping to the repair facility, and the tool will be returned directly to your address.

The eService Tool Repair is incredibly convenient. With this service, asking for a repair becomes less of a hassle. The free shipping is neat. The fact that it serves both warranty and non-warranty repairs is also great, though obviously the non-warranty repairs will charge you some money.

Milwaukee 2457 20 M12 vs 2457-21

- RECESSED FORWARD - BACKWARD SWITCH on the back of the head prevents you from accidental actuations in the middle of an important job
- LOW PROFILE HEAD DESIGN allows you to work in an engine bay without issue
- ONBOARD FUEL GAUGE: Lights on the side of the unit will let you know how much power you have left
- LED LIGHTING on the front of the unit allows you to see your job in dimly lit conditions
- M12 3/8 Ratchet tool Kit
- The product is easy to use and easy to handle
- The product is highly durable
- The kit includes one M12 battery, a 30-minute charger, a 3/8” to 1/4" adapter and carrying case.

These two bundles come with the same ratchet, but they include different items. Milwaukee 2457-21 is generally more recommended because it comes with a battery and charger to get you started. The ratchet is ideal for light-duty tasks, such as working on vehicles and driving small bolts.

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