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The right nail depends on the job, the material, the load, the environment, and how visible the fastener may be. Common and framing nails handle general construction; finish nails, brads, and pins are for progressively lighter trim; roofing, masonry, flooring, connector, and other specialty nails solve specific installation problems. The 25 names below follow a practical inventory rather than a universal engineering taxonomy—some describe an application, while others describe a head or shank feature.
Use this guide to identify a nail, select a suitable length, diameter, shank and finish, and avoid common failures such as splitting wood, corrosion, pull-out, or using a connector nail that does not meet the hardware specification.
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What type of nail should I use?
Start with the connection rather than the nail’s name. Determine what you are fastening, the expected load, whether it is indoors or exposed to weather, how much head visibility is acceptable, and whether a manufacturer or building code specifies a fastener. A thin box nail, brad, or pin may prevent splitting and leave a smaller mark, but it cannot replace a structural fastener simply because it fits the hole.
For a broad overview of names and photographs, see the 25-type inventory from Bob Vila. The practical descriptions below add material, corrosion, connector and tool guidance from the Lowe’s nail guide, The Home Depot’s nail guide, and technical carpentry references.
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25 types of nails and how to use them
1. Common nail
A common nail has a sturdy shank and a prominent, usually round head. Use it for rough framing, blocking, crates and general construction where holding power matters more than a concealed head. Bright (uncoated) common nails are intended for general interior construction; do not assume they will resist outdoor corrosion or prevent staining.
2. Box nail
Box nails have a thinner shank than common nails. That smaller diameter is less likely to split thin boards, boxes and light trim, but it also provides less strength. Choose a box nail only when the connection’s load allows the reduced holding power; it is not a structural substitute for a framing nail.
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3. Duplex nail
A duplex nail has two heads on one shank. Drive it until the lower head bears on the work, leaving the upper head exposed so the nail can be pulled later. This makes it useful for temporary staging, concrete forms and scaffolding, not permanent framing.
4. Framing nail
“Framing nail” is a broad construction category covering nails used to assemble studs, joists, sheathing and similar components. Select the diameter, length, coating and shank for the actual connection and local requirements. If you use a nailer, the nail’s collation angle, strip or coil format and head style must match the tool.
5. Deck nail
Deck nails are selected for attaching exterior decking boards to a supporting frame. Exterior exposure and treated lumber make corrosion resistance critical; choose a finish compatible with the preservative and decking species. A nail that works for interior framing may corrode, stain the boards or lose section in a deck.
6. Finishing nail
Finishing nails have a relatively small head that can be driven slightly below the wood surface with a nail set and filled. They suit baseboard, casing, furniture and other trim where a discreet hole is preferred. Their smaller section means you must place enough nails in sound material without treating them as heavy structural fasteners.
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7. Casing nail
Casing nails are a little larger than finish nails and therefore provide more holding power. Use them for window and door casing or heavier trim that needs a stronger mechanical connection while still allowing the head to be set and filled. Match the length to the thickness of the casing and the amount of framing behind it.
8. Brad
A brad is a small-diameter finish fastener for paneling, molding, light cabinet work and delicate trim. Its narrow shaft reduces the chance of splitting and its small head is easy to conceal. Use adhesive or a larger fastener when the assembly will see substantial withdrawal or impact loads; brads are not framing nails.
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9. Cut flooring nail
Cut flooring nails are tapered, four-sided fasteners associated with traditional wood flooring. Their geometry and blunt point can reduce splitting in flooring boards, and the visible head can provide a period-appropriate appearance. Use the nail size and spacing recommended for the flooring system, and predrill when the species or edge distance makes splitting likely.
10. Landscape spike
A landscape spike is a long, stout ground-driven fastener for edging, flower beds and landscape timbers. It is an outdoor landscape product rather than a conventional finish or framing nail. Select a length that reaches securely into the soil or timber and a material suited to persistent ground moisture.
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A sinker is a coated framing nail designed to drive easily and finish flush. The coating may reduce driving friction, but it does not automatically mean the nail is corrosion-resistant for exterior use. Confirm the coating and substrate compatibility before using sinkers in treated lumber or weather-exposed framing.
12. Joist-hanger nail
Joist-hanger nails are short, thick structural fasteners made for the holes in a particular hanger or connector. Use every hole and the exact length specified by the hanger manufacturer or engineered plans. Some hanger nails are too short for beam or truss hangers, so never substitute a convenient general-purpose nail.
13. Pole-barn nail
Pole-barn nails are long, heavy fasteners used in timber posts, girts and other heavy-duty exterior connections. The name describes a common application, not one universal size or grade. Follow the structure’s drawings and the fastener specification for diameter, length, coating and spacing.
14. Connector nail
Connector nail is another application label for short, thick nails used with metal hardware such as joist hangers, hurricane ties and straps. The connector’s approved fastener is part of the load-rated system. Read the stamped instructions or engineering schedule rather than replacing it with a longer or thinner nail that merely fits.
15. Trim nail
Trim nail is a general term that overlaps with finish nail. It is used to install molding and other interior or exterior trim where the head should be inconspicuous. Choose a casing or finish size according to the trim’s thickness and the holding power required; “trim” alone does not specify a diameter or coating.
16. Pin nail
A pin nail is an extremely thin, usually headless fastener fired from a pin nailer. It leaves a tiny mark and is useful for delicate molding, picture frames and small miters, often while adhesive cures. Because it offers little holding strength, use it only where the parts fit closely and the joint does not carry a structural load.
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17. Spiral-shank nail
A spiral, or twisted, shank rotates as it enters wood and resists withdrawal better than a smooth shank in suitable applications. British Columbia carpentry training reports 50–200% greater holding power than a smooth-shank nail for Ardox/spiral nails, but that is the training material’s range, not a universal result for every wood, diameter or connection. Use spiral-shank nails for framing, subfloor and other specified high-grip work.
18. Roofing nail
Roofing nails have a broad head that bears on shingles, felt or other roofing material without tearing through it. Use the corrosion-resistant material and length specified by the roofing manufacturer and local code; exposed roofing fasteners face rain, condensation and temperature changes. A nail that is acceptable for dry interior work may rust under a roof covering.
19. Masonry nail
Masonry nails are hardened for approved fastening into materials such as brick or concrete. Confirm that the nail is rated for the specific masonry and that the application does not require an anchor or drilled fastener instead. Wear eye protection when driving into masonry because chips can break loose from both the nail and the wall.
20. Annular-ring nail
An annular-ring nail has raised rings around the shank that mechanically lock into wood and improve pull-out resistance. It is common in siding, shingles and other work where a smooth shank might back out. The increased grip also makes removal harder and can cause more damage, so place it accurately the first time.
21. Drywall nail
Drywall nails have a broad head and a coating intended for drywall installation to wood framing. Drive them just below the paper without breaking it, then finish the surface with compound. For ceilings, high-traffic areas or assemblies covered by current code, follow the board and framing manufacturer’s fastening schedule rather than relying on a generic nail count.
22. Siding nail
Siding nails commonly combine a wide head with a ringed or spiral shank to hold boards against sheathing. Select the metal and coating for the siding species and exposure: guidance for face-nailed clapboard, for example, distinguishes stainless steel for cedar from galvanized options used in other situations. Leave the clearance and penetration required by the siding manufacturer so boards can move without splitting.
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A cap nail has a broad plastic cap or washer under the head. The cap spreads pressure over house wrap, roofing underlayment and similar sheet goods so the nail does not tear through. Use the cap diameter, nail length and spacing specified for the membrane; an ordinary roofing or framing nail may puncture the sheet.
24. Panel-board nail
Panel-board nails are small fasteners, often ring-shanked, for hardboard or decorative paneling over studs or furring strips. Painted heads can blend with the panel. Choose a length that penetrates the support without striking wiring or plumbing, and avoid overdriving, which can crush the panel face.
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25. Furniture nail
Furniture nails have a wide, decorative head. They can secure upholstery to wood or create the visual effect of individually attached material. Treat them as finish hardware unless the furniture design specifies a structural connection; the attractive head does not indicate a particular shank strength or corrosion rating.
How do head, shank and point change a nail’s performance?
The head supplies the striking surface and bears against the attached material. Broad heads spread force over roofing, drywall, siding or membranes; small heads are easier to hide in trim; a second head on a duplex nail enables later removal.
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The shank carries the load and controls withdrawal. Smooth shanks drive easily. Ringed and spiral shanks generally grip wood more strongly, but they also require more force to remove and can damage the work. A thin shank can reduce splitting while sacrificing holding capacity.
The point initiates the hole and affects splitting. For hard wood, narrow stock or end-grain work, a pilot hole can be safer than forcing a large nail. A blunt or intentionally shaped point may reduce splitting in some flooring applications, but it does not make an unsuitable nail appropriate.
How should I choose nail material and finish?
Match the finish to moisture, treated wood and the wood species. Bright steel is generally for dry, general construction. Hot-dip galvanized coatings provide improved exterior corrosion resistance, while unprotected steel can rust and stain wood; the Canadian Wood Council’s nail guidance explains these general distinctions.
Galvanized coatings can react with cedar and redwood, so check the nail maker’s compatibility guidance and the siding or decking instructions before installation. Stainless steel is often specified for cedar siding and severe exposure, but the correct grade and size still depend on the product system. Never infer outdoor suitability from a coating name alone.
What nail length and diameter do I need?
The nail must penetrate the supporting member far enough to develop the required capacity without emerging on the far side or striking hidden services. Thickness of the attached piece, spacing, grain direction, load and the connector manufacturer’s schedule all matter. The Canadian Wood Council describes nails made in Canada from 13 to 150 mm (1/2 to 6 inches) long; spikes are generally longer and heavier, with a stated range of 100 to 350 mm (4 to 14 inches). Those are manufacturing ranges, not a design rule.
In the penny system, the Canadian Wood Council gives 20d as a four-inch nail. Penny size is only a length convention; diameter, shank style, coating and approved use must still match the connection. For engineered framing, decks, roof assemblies and metal connectors, use the schedule or code rather than choosing by penny size alone.
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How do I prevent splitting and installation damage?
- Keep adequate edge distance. Do not place a large nail close to an end or edge, especially in hardwood or narrow trim.
- Drill a pilot hole when needed. The Home Depot recommends a pilot hole for hard wood or end-grain nailing. Size it to guide the shank without eliminating the wood’s grip.
- Use the right nail for the thickness. A box nail, brad or pin may be appropriate for thin stock; a larger common or framing nail can wedge it apart.
- Drive straight and flush. Angled or overdriven heads can crush fibers, break a membrane or reduce the bearing area.
- Set finish heads carefully. Use a nail set below the surface only far enough for filler; deep craters weaken delicate trim and require more patching.
Can I use these nails in a nail gun?
Only if the fastener is made for that tool. Nail-gun nails are collated in strips or coils, and the nailer requires a specific collation angle, shank diameter, head style and length. A loose hand-drive nail or a strip with the wrong angle can jam the tool, misfire or leave an unsafe connection. Consult the nailer manual and the fastener packaging before loading.
What safety and code checks matter?
Wear eye protection for all driving operations and especially when driving masonry nails. Keep hands clear of the striking line, secure the work, and inspect for hidden electrical, plumbing or gas services before penetrating walls, floors or posts.
For structural connectors, decks, roofs, siding systems and treated lumber, follow the approved schedule and product instructions. Lowe’s summarizes the governing principle this way: “Always follow code specifications and the fastener or structural hardware manufacturer’s instructions.” Local terminology, available sizes and code requirements can differ from the North American references used here.
How we picked these 25 nail types
The inventory follows the exact-title editorial list while grouping overlapping terms honestly. Selection criteria were the nail’s intended application, base material, head visibility and bearing area, shank and withdrawal behavior, available length and diameter, metal or corrosion-resistant finish, compatibility with treated wood or species such as cedar, hand-driving versus nailer use, and any connector or code specification. Because “25 types” is a useful field guide rather than a universal taxonomy, labels such as framing, trim, connector and siding can describe overlapping categories.
What is the practical rule for choosing among them?
Choose the smallest fastener that meets the specified load and penetration, then verify its finish for the environment and its compatibility with the material. Use common or framing nails for permitted general construction, ring or spiral shanks when the specification calls for greater withdrawal resistance, broad heads for sheet goods, and finish nails, brads or pins only when their lower capacity is acceptable. When a connector, roofing system or siding manufacturer names a fastener, that instruction outranks a generic type name.
Frequently Asked Questions
Can galvanized nails be used with cedar or redwood?
Not automatically. Galvanized coatings can react with cedar and redwood, so check the fastener maker’s compatibility information and the cladding or deck manufacturer’s instructions; stainless steel may be specified for some cedar applications.
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What does 20d mean on a nail package?
It is a penny-size designation that the Canadian Wood Council illustrates as a four-inch nail. It does not tell you the nail’s diameter, coating, shank pattern or structural approval, so those details still have to match the connection.
Are ring-shank nails removable?
They can be removed, but the rings grip wood more strongly than a smooth shank and usually cause more damage during extraction. Annular-ring and spiral nails are therefore best placed accurately and left where the application expects permanent fastening.
Why can’t I substitute a longer nail in a joist hanger?
A connector is engineered around a specified fastener diameter, length and head bearing. A longer or different nail may miss the intended load path, interfere with another member or fail to develop the tested capacity; use only the hanger manufacturer’s approved nails.
When should I use a pilot hole instead of driving directly?
Pilot holes are especially useful in hard wood, near an edge, or when nailing into end grain. They reduce wedging forces and splitting, but the hole must still leave enough surrounding wood for the selected nail to grip.
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