Best Wood Screws for Woodworking

The four boxes that cover a first shop

Live prices, pulled from the same feed as the cards above. Two general screw sizes, the bit that drills for them, and the pocket-hole assortment if you own a jig.

Tool	Why you need it	Price
SPAX #8 x 1-1/4 in Flat Head Partial Thread T-Star+, 1 lb / 240 count	The everyday length: 3/4 in stock into a frame, cleats, hardware, jigs	$19.99
GRK R4 #8 x 2 in Multi-Purpose Framing Screws, 100 count	The length that reaches far enough into the second piece to carry load	$11.99
FTG USA 5-Piece Tapered Countersink Drill Bit Set (#4 #6 #8 #10 #12)	Drills the pilot, the clearance and the countersink in one pass, in #4 to #12	$17.90
Kreg Pocket-Hole Screw Starter Kit (SK04), 260 screws	Only if you own a pocket-hole jig - pocket screws are not ordinary wood screws	$22.97
Starter kit subtotal		$72.85

Live Amazon prices as of October 2, 2026; they change, and we don’t display stale numbers — a tool with no live price shows “Check price” and is left out of the subtotal. #ad How we’re funded.

First: stop using drywall screws

This is the most common fastener mistake in a first shop, and it is worth being blunt about. A drywall screw is designed for exactly one job: holding a sheet of gypsum board against framing until the board’s own paper and compound take over. It is thin, it is hardened so the bugle head can be driven consistently to depth, and it is fully threaded, which means it pulls the two pieces of wood you are joining apart rather than together as the top piece rides up the thread.

The argument for not using them structurally is simpler than the forum folklore about brittleness, and you can verify it yourself: no manufacturer publishes a shear or withdrawal rating for a drywall screw, because nobody sells one for that purpose. Every structural screw on this page carries a code listing or a stated application that a drywall screw does not. That absence is the whole argument. If a joint carries weight — a shelf, a bench leg, anything above a child’s head — put a screw in it that someone was willing to rate.

For shop shelving, a jig, or a scrap fixture nobody’s safety depends on, use up the drywall screws in the drawer and feel no guilt. Just stop treating them as the default.

Pilot holes: the numbers that actually matter

“Drill a pilot hole” is advice everyone gives and nobody sizes. The US Forest Service’s Wood Handbook does size it, and the numbers are more specific than you would expect. Two facts do the work. First, “the root diameter for most sizes of screws averages about two-thirds the shank diameter.” Second, the handbook’s own withdrawal figures hold true when lead holes are about 70% of the root diameter in softwoods and about 90% in hardwoods.

Work those two rules through the handbook’s gauge table and you get a chart you can tape inside a cabinet door. Shank diameters are the handbook’s; the lead-hole sizes are that arithmetic rounded to the nearest bit you are likely to own.

• #6 — 0.138 in shank. Pilot about 1/16 in in pine, 5/64 in in oak or maple.
• #8 — 0.164 in shank, and the gauge you will buy most. Pilot about 5/64 in in pine, 3/32 in in hardwood.
• #10 — 0.190 in shank. Pilot about 3/32 in in pine, 7/64 in in hardwood.
• #12 — 0.216 in shank. Pilot about 7/64 in in pine, 1/8 in in hardwood.

Note which way that goes, because it surprises people: the harder the wood, the bigger the pilot hole. Oak has no give. Drill it to softwood size and the screw either splits the board or snaps. A tapered countersink bit sidesteps most of this by matching one bit to one screw gauge, which is why it is the single accessory we would buy alongside the screws themselves.

Two more lines from the same source are worth having. Lubricating a screw “with soap or similar lubricant is recommended to facilitate insertion, especially in dense woods, and it will have little effect on ultimate withdrawal resistance” — so the old trick of rubbing a brass screw on a candle is real, and it does not weaken the joint. And: “Screws should always be turned in. They should never be started or driven with a hammer because this practice tears the wood fibers and injures the screw threads, seriously reducing the load carrying capacity of the screw.”

How long a screw do you actually need?

Also arithmetic, and also from the handbook. For the screw to develop its published lateral load, it must penetrate the piece holding the point by at least seven times its shank diameter, and the piece you are screwing through should be about half that depth.

For the #8 you will mostly be using, seven times 0.164 in is about 1.15 in of penetration. Add the 3/4 in board you are going through and you land at roughly 1.9 in — which is why a 2 in #8 is the structural screw for 3/4 in stock, and why a 1-1/4 in screw in the same joint is holding on by about half of what it should. Both lengths have a place; they are just not the same place. Run the same sum for a #10 and you need about 1.33 in of penetration, so 2-1/2 in through 3/4 in stock.

Three qualifiers the handbook adds, all of which matter in a real shop:

• End grain is weak. Withdrawal from end grain, “when splitting is avoided,” averages 75% of the side-grain figure. A screw into the end of a board is a 25% discount before you have done anything wrong, which is the quiet reason a cut joint beats a screw in a butt joint.
• Density does most of the holding. Withdrawal resistance “varies directly with the square of the specific gravity of the wood” — squared, not proportional. A screw in white oak holds dramatically better than the same screw in pine, which is worth knowing when you choose a species.
• Longer is not always better. The handbook notes that “the longer lengths of standard screws are therefore superfluous in dense hardwoods” — past a point the screw fails in tension before the wood lets go. In oak, a 1-1/2 in screw that fits is better than a 3 in screw that bursts out the far face.

Plywood, MDF and particleboard are a different problem

Sheet goods do not hold a screw the way solid wood does, and the failure is different: instead of splitting, the core crumbles and the thread spins free. The handbook’s particleboard guidance is reassuring on one count and a warning on another. Withdrawal is “not significantly different for lead holes of 50% to 90% of the root diameter,” so pilot sizing is forgiving — but “care must be taken when tightening screws in particleboard to avoid stripping the threads.” It also notes that a modest tightening “provides an effective compromise between optimizing withdrawal resistance and stripping threads.”

In practice that means three habits. Use the clutch on your drill, set low, and stop as soon as the head seats — this is a job for a drill, not for an impact driver, which has no clutch at all. Use a coarse thread, which is what the Rok screws above are and what Kreg specifies for sheet goods. And never put a flat countersunk head into the face of thin ply if you can use a pan or truss head instead, because a countersink in 1/2 in plywood removes most of the material that was going to hold the head.

Screwing into the edge of plywood is worse again, and screwing into the edge of MDF is close to hopeless without a special fastener. If you are building carcasses, that is the argument for pocket-hole joinery, which turns every edge joint into a face-grain one, and for glue doing the real work with screws acting as clamps.

Drive types, ranked for a beginner

If you take one thing from this page, take this. The recess in the screw head is not a styling choice; it decides whether the screw goes in.

• Star / Torx / 6-lobe — best. Six contact points, almost no cam-out, drives one-handed. GRK calls its version “zero stripping, with 6 points of contact”; SPAX, Simpson and Power Pro all use a star recess too. The catch is that bit sizes vary (T25, T40) and you need the right one.
• Square / Robertson — nearly as good and genuinely better one-handed, because the bit holds the screw upright by friction. One bit size (#2) covers most woodworking screws. Common in cabinet and pocket-hole screws.
• Phillips — designed to cam out. That was the original point, back when drivers had no clutch; today it just means a chewed head and a screw you cannot remove. Workable with a sharp bit, light pressure and a drill set slow. Avoid for anything structural.
• Slotted — for hand driving and for looks only. The bit has nothing holding it in the slot, so under power it skates out and across your work. The only reason to buy slotted screws is that brass hardware looks wrong with anything else.

Coatings, and where each screw is allowed to live

Coating is the spec beginners ignore and then rediscover eighteen months later as a black stain bleeding out of an oak joint. The short version:

• Plain or yellow zinc — indoors, dry. The SPAX box above is zinc and claims no exterior rating; the Rok cabinet screws are zinc too. Fine for furniture, jigs and anything that never sees weather.
• Proprietary coatings (GRK’s Climatek, Power Pro’s epoxy) — rated by their makers for exterior use and for pressure-treated lumber, which matters because the copper in modern treated timber eats ordinary steel.
• Double-barrier and hot-dip equivalents — the Simpson timber screw’s listing rates its coating as equivalent to hot-dip galvanization, which is the band you want for structural connections in treated wood.
• Solid brass and stainless — for visible hardware and for damp rooms. Brass will not rust or stain the wood around it, which is exactly why it costs forty cents a screw.

One rule worth memorizing: never put a bare steel screw in white oak, cherry or anything you intend to finish pale, and never leave one in damp wood. The iron reacts with the tannins and leaves a dark halo you cannot sand out. Brass, stainless, or a coated screw in a plugged hole.

Pocket screws are their own category

If you own a pocket-hole jig, ordinary wood screws will not work in it. Pocket screws have a flat self-drilling tip and a wide pan or washer head sized to seat in the bottom of the pocket, and the thread choice is not cosmetic: Kreg’s own guidance is coarse thread for softwoods and sheet goods like pine, cedar, plywood and MDF, and fine thread for dense hardwoods like cherry, maple and oak. Kreg also splits the coatings three ways — zinc for indoor work, Blue-Kote for damp or treated lumber, stainless for harsh exposure — which is why the starter assortment above is the sane first purchase and a bulk box of one size is the sensible second one.

The one to buy first

Buy the SPAX #8 x 1-1/4 in box. It is the length a first shop reaches for most, there are 240 of them so you stop treating screws as precious, and the star drive means your first attempt at driving one does not end with a stripped head. Add the GRK #8 x 2 in box the first time you build something that has to hold weight, and the countersink bit set at the same time as either.

If your budget this week is six dollars, the Mr. Pen assortment is a legitimate answer and we would rather say so than pretend you need to spend thirty. Just know what you are buying: breadth, a useful case, and screws whose gauge nobody will tell you. If you are already building cabinets, start with the square-drive Rok screws instead. And if the project in front of you is the workbench, buy the Simpson timber screws for the leg frames and a general-purpose box for everything else — that bench is the clearest case on this site where the expensive screw is the right one.