Driver Bits Every Electrician Needs: The Ultimate Guide
Screws come in all shapes and sizes, and if you’ve ever tried to jam the wrong bit into the wrong head, you know how fast things can go sideways. Whether you’re roughing in a new panel or buttoning up a perfect finish, having the right driver bit is half the battle. The other half? Making sure it doesn’t strip like a bad paint job. That’s where we come in.
Here’s a rundown of the usual suspects when it comes to screw heads—and the Rack-A-Tiers impact driver bits that are built to handle them.
Phillips-Head
The Phillips head, the basic screw you all know. These babies were designed to “cam out” when over-torqued, which was revolutionary when power tools first came onto the scene. Today, they’re still everywhere—from electrical boxes to outlet covers. Problem is, Phillips heads tend to strip too easily. They’re unavoidable though, so make sure you’re using a high-quality driver bit. Our Phillips Impact Bit is built to take a beating without rounding off. It’s impact-rated, ultra-durable, and made to stay locked in—not slip out. Plus, you can try our double-ended impact bits for a Phillips + Robertson combo.
Check out the Phillips Bit Collection
Robertson
If you’re working in Canada and not using Robertson screws, are you even really working? These square drive screws are basically national heroes— this square-drive screw is the king of control. The driver bit holds onto the screw like it owes it money, which means fewer slips, less stripping, and way less cussing on the job site. You’ll find them all over electrical work—from switch boxes to panel mounts—because they just work. The best part? You can drive these one-handed and not worry about the screw falling off the bit. At Rack-A-Tiers, we gave our Robertson Double-Ended Impact Bits a little extra love: they’re impact-rated, colour-coded (so you don’t grab the wrong one), and double-ended to save space in your pouch. More torque, less guesswork, and no more dropped screws.
Try the Legendary Robertson Bits
Torx (Star Drive)
If you’ve ever worked on commercial lighting or outdoor panels, you’ve probably run into Torx screws—those six-pointed stars that look like they belong in sci-fi. These screws are engineered for high torque and low drama. Because of their shape, Torx heads don’t slip as easily and allow you to apply more force without camming out or chewing up the head. That’s why they’re popping up more and more in electrical gear, especially in places where vibration is a factor. But here’s the thing: not all bits are up to the task. Our Double-Ended T20/T25 Torx Impact Bit is built to last, with hardened steel that’s ready to handle high-torque installs without flinching. Plus, having T20 and T25 on a single bit means fewer swaps for faster work. For any sparkie who sees stars in their screws—this bit’s for you.
Check out the Double-Ended Torx Impact Bit
Hex Socket
Hex socket screws are the quiet workhorses of the fastener world that you always seem to find in tight spots or gear that’s seen better days. You won’t always spot them at first glance, but when you’re mounting brackets, installing conduit clamps, or messing with HVAC gear, you’ll be glad to have the right hex bit on hand. The six-sided design gives you solid contact and better grip for tightening things down without rounding out the screw—or your patience. The problem? These screws come in all kinds of sizes, and guessing wrong means a lot of wasted time and stripped heads.
That’s where our 7-Piece Hex Bit Kit comes in clutch. We’ve packed it with the most used sizes for electricians, so you’re always covered without dragging around a dozen loose bits. Built from tough materials and impact-rated for the real-world abuse of daily installs, this kit saves your screws—and your sanity.
Allen Head Bits
Allen heads—small but mighty. These screws are all about clean installs and tight spaces, making them a favourite in lighting fixtures, set screws, and gear that needs to stay put without flashing a bulky head. They may look simple, but don’t let that fool you. Miss the right size or use a worn bit, and you’re in stripped-screw territory fast. Our Allen Head Driver Bit Kit gives you a solid lineup of the most-used sizes, all tough enough to handle jobsite abuse. No more digging for the right bit—just grab, drive, and move on.
See the Most Popular Allen Head Kit
Reemer Bit
Now for something a little different—the Reemer Bit. This double-ended bit is a multitool legend: a Phillips and Robertson driver on either end, and a pipe reamer in the middle. Ideal for conduit work and saving time when you’re hopping between tasks. It’s a small piece of gear with a big impact on your workflow. Our Reemer Bit is a must-have for any electrician who values speed and precision.
Racky Bit Rough-in Kit
Doing rough-in work? You need gear that won’t flinch at a little drywall dust and won’t back out halfway through a screw. Our Racky Bit Rough-In Kit gives you the bits most electricians actually use in the field—double-ended, impact-rated, and ready to rumble. Save time, space, and headaches with this ready-to-roll setup.
Racky Bit Finishing Kit
When it’s time to make things pretty, you want the right bits close at hand—no more rummaging around the bottom of your pouch. The Racky Bit Finishing Kit is perfect for trim-outs, cover plates, and anything else that needs that final touch. Think of it as the cherry on top of a solid install.
Level-Up Your Impact Driver Bit Collection
Whether you’re roughing in, trimming out, or somewhere in between, knowing your screw heads—and having the right bits for the job—can make a big difference in how smoothly things go. A bit that fits right saves time, saves frustration, and lets you focus on doing clean, solid work. At the end of the day, it’s not about having every bit under the sun—just the right ones that actually get used. Hopefully, this guide gave you a few insights (and maybe reminded you to ditch that worn-out Phillips). Stay sharp out there.
