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Questions & Answers
Why do some impact driver kits include two batteries?
Kits come with two batteries for one simple reason: downtime kills momentum. While you're running one battery in the impact driver, the second one is on the charger, getting ready for the next round. It keeps you working steadily, especially on bigger projects where you're driving fasteners nonstop. Two batteries mean you don't have to stop, wait, or pack it in early. Just swap it out and keep the job moving.
When should I use the highest speed setting?
Use the highest speed setting, usually around 2,800 to 3,600 RPM, when you're driving long screws into softwood or cranking through a big batch of fasteners. That top-end speed gives you quick starts and keeps the job moving. Just save it for tasks where you need power and pace, not precision. When you're building a deck or framing a wall, crank it up and let the driver eat.
What is the impact driver's maximum RPM?
Most impact drivers top out somewhere between 2,500 and 3,600 RPM, depending on the model. Higher RPM means faster screw driving and quicker starts, especially in softer materials. The real magic is how the tool blends speed with impact force, which keeps the bit engaged and drives fasteners home without stripping. Maximum RPM gives you speed, but the impact mechanism is what helps you finish the job clean and confident.
