Hand Screwdrivers, Pliers, and Wrenches

A stripped screw isn’t bad luck. It’s almost always the wrong driver — and usually one that looked right going in. Every screw drive system is designed around a specific geometry: the angle of the flanks, the number of contact points, and how well the driver stays in the recess under load. Match the tip type and size to the fastener, and the job goes smooth. Get it wrong, and you round out the recess until no driver grips it.

That’s the whole game with hand tools. The right pick comes down to three things: the drive type the fastener uses, the size that fills the recess cleanly, and build quality that holds its profile. Cheap or mismatched drivers cause stripped screws, sore hands, and wasted time; the correct tool reduces effort and prolongs the life of both fastener and tool.

Screwdriver Drive Types and Sizes

Two drive types cover most of what shows up on a Montana jobsite or workbench: slotted and Phillips. Flathead works with straight slots and offers simple control, while Phillips uses a cross shape that grips better and reduces slipping.

The slotted drive is the old workhorse. A single straight slot across the screw head, it’s the oldest screw drive system still in widespread use. It is not common in modern construction or manufactured equipment, but it is far from obsolete. You’ll still hit slotted fasteners in electrical switchgear, switchboards and terminal blocks, plumbing fittings, older machinery, vintage automotive applications, and wood screws in older furniture and joinery.

Slotted drivers get sized by blade width, and the fit has to be right. Common blade widths are 2.5mm, 3mm, 4mm, 5.5mm, and 6.5mm. The blade must fit the slot cleanly — too narrow and it rocks in the slot, concentrating force on the slot corners; too wide and the blade will score the material surrounding the screw head.

Phillips is the cross-head you’ll reach for most. Patented by Henry F. Phillips in 1936 and adopted rapidly by the automotive industry, then globally, Phillips fasteners are still the most common cross-head drive in electrical work, light construction, flat-pack furniture, and imported equipment. The sizing runs PH0 through PH3.

Size	Tip width	Typical use
PH0	~3mm	Electronics, PCBs, small appliances
PH1	~5mm	Small electrical accessories, light fixtures, computer hardware
PH2	~6mm	Most common — general construction, appliances, M3–M5 fasteners
PH3	~8mm	Large fasteners, structural timber screws, heavy appliances

If you own one Phillips, make it PH2. The PH2 handles the vast majority of everyday Phillips fasteners, and a PH1 and PH2 together cover most electrical and general trade work.

Here’s the part most people miss about Phillips: it’s built to slip. Phillips screws are deliberately designed to cam out — to eject the driver from the recess when a certain torque threshold is reached. This was not an oversight. When Phillips developed the drive for automotive assembly lines in the 1930s, the goal was to prevent overtightening, so an air-powered tool would slip rather than strip the screw once it was fully seated. For light fastening, that’s fine. For high-torque applications — structural timber screws, decking, large machine screws — the cam-out becomes a genuine limitation. This is one reason Pozidriv and Torx have largely replaced Phillips in demanding applications.

Western Building Center’s screwdriver selection covers this range. Phillips runs from a #0x3 cushion-grip up through #1, #2 in several lengths (1-1/2”, 4”, 6”), and a #3x8 for the big structural screws. Slotted drivers come in widths from 1/8” through 3/8” in cushion-grip and bulk styles. There’s also a square-drive #3x4 and a stack of multi-bit options — 6-in-1, 8-in-1, 9-in-1, 10-in-1, and 11-in-1 ratcheting handles, plus stubby and pocket versions for tight work.

The Phillips vs. Pozidriv Trap

This one catches more people than any other fastening mistake. The confusion is responsible for more stripped screws than any other single factor. The two drives are not interchangeable — using Phillips in Pozidriv, or vice versa, will damage the screw recess, particularly under power-tool torque.

The reason it sneaks up on you: a Phillips driver will physically fit into a Pozidriv recess. It engages the main cross arms and feels seated. But it does not engage the 45° ribs. Under torque, the mismatch means the driver rides up and out of the recess — stripping the corners of the cross arms in the process.

Pozidriv was developed in the 1960s as a direct improvement on Phillips, specifically to eliminate cam-out. The difference is four additional ribs between the arms of the cross, set at 45° to the main cross. Most fasteners sold in North America are Phillips, so Pozidriv is mainly an identification concern here — but knowing how to spot it saves screws. On the screw head, Pozidriv screws have four small radial marks between the arms of the cross. Phillips screws have smooth, uninterrupted arms with no secondary markings. This is the most reliable visual identification method. Driver shanks are stamped too — PH or PZ.

And size still matters even when the type is right. A PH2 driver in a PH1 screw will bridge across the recess rather than seating in it. The contact is on the outer edge of the cross, not the full flank — immediate cam-out risk. Always match the driver size to the screw size. If in doubt, the correct driver sits fully into the recess with no rocking.

What Makes a Driver Last

Tip profile is everything. A driver that holds its shape drives clean; one that rounds off starts stripping screws. That comes down to steel.

S2 tool steel is a top choice for bits and interchangeable tips — very wear-resistant. Cr-V, chromium-vanadium, is a good general-purpose steel with a solid balance of toughness and cost. Cr-Mo, chromium-molybdenum, is often used for impact-rated bits and heavy-duty drivers. Carbon steel can be hard but may be brittle or rust-prone if not treated. The practical split: if you regularly work with stubborn screws or in professional settings, favor S2 or Cr-Mo/Cr-V with heat-treated tips. For occasional home use, a good Cr-V set is often sufficient.

Handles control comfort and torque transfer. Contoured handles allow better torque transfer and comfort, dual-material handles with a hard core and rubber or TPR overmold offer grip and durability, longer shafts reach deeper recesses, and stubby drivers are useful in tight spots.

Electrical work is non-negotiable on this point. Only use tools certified as insulated to the appropriate voltage standard. And across the board, high-quality hand tools comply with international standards like ISO, ANSI, and DIN, ensuring durability and reliability.

Pliers and Wrenches Worth Owning

Screwdrivers don’t work alone. A working kit needs gripping and turning tools, and three plier types cover most jobs.

Slip-joint pliers are versatile tools with an adjustable pivot point, allowing the jaws to open wider, which makes them suitable for gripping different-sized objects. From tightening loose nuts and bolts to removing cotter pins or shaping wire, they offer a balance of grip strength and dexterity. They run in common lengths — 6”, 8”, and 10”. The trade-off is honest: while versatile, a slip joint isn’t as strong as a fixed-joint plier when extreme force is needed, and it can introduce a small amount of play that reduces precision.

Needle-nose pliers feature long, slender jaws, making them perfect for reaching into tight spaces and performing delicate tasks. They are essential for electricians, jewelers, and hobbyists. Best for precision work such as bending wires, gripping small objects, and detailed electrical work, they often include a built-in wire cutter for added functionality.

Lineman’s pliers, or combination pliers, are heavy-duty tools designed primarily for electrical work. They feature robust jaws and a firm grip, making them ideal for cutting, twisting, and bending wires.

On wrenches, the variety covers the fastener. Main variations include close and open-ended styles, in addition to adjustable wrenches. Socket wrenches round out the set for nuts and bolts.

A sensible starting toolkit is short: hammer, screwdrivers, adjustable wrench, pliers, tape measure, and utility knife.

Frequently Asked Questions

Sets or single drivers — which should I buy? Depends on how you work. Sets are great for beginners, hobbyists, or situations with varied fasteners — they’re cost-effective and come with storage cases. Single high-quality drivers are better for pros who need a specific size or a premium handle for heavy-duty work. A practical middle ground: a versatile set covering PH0–PH3, several slotted widths, and a few Torx sizes, then add premium singles in your most-used sizes.

Why does my screwdriver keep slipping out? Three usual causes. Wrong type, wrong size, or a worn tip. Using the wrong size causes damage — even the right type can fail if the size is off. The fit test is simple: a good fit feels right, sits snug, and doesn’t wobble. And replace rounded tips — a rounded tip slips easily and strips screws.

How do I keep hand tools usable for years? Clean, dry, stored. Keep bits clean and dry to prevent rust, store them in the provided case or on a magnetic strip, and avoid using screwdrivers as pry bars or chisels. For pliers and wrenches, apply light oil to moving parts for smooth operation, and regularly check for damage, loose handles, or wear.

Which Phillips size do I actually need? For most work, PH2. Phillips drivers are labeled PH0, PH1, PH2, PH3, and PH2 is the most common household size. Keep a PH1 alongside it for smaller electrical and fixture screws, and a PH3 if you drive larger structural fasteners.

Flathead or Phillips for general work? Match the screw head first — that’s rule one. Light jobs favor flathead; heavy or repetitive jobs favor Phillips. For driving screws under pressure, Phillips screwdrivers handle torque better — the cross design grips deeper into the screw head, which means less stripping.