Reviewed and updated: September 23, 2026.
The right fastener depends on what it connects. Attaching a picket to a rail is different from supporting a gate hinge or fastening a rail bracket to a post. Start with the connection and material, then choose the approved fastener.
There is no honest rule that nails make every fence fail early or screws guarantee decades of service. Both can have a place in a properly designed fence. Their size, shank, coating, material, and installation matter.
Screws and nails do different jobs
Screws can be useful where a component may need removal or adjustment. Nails can be appropriate for specified wood connections, including products with shaped shanks intended to improve withdrawal resistance. Neither label tells you its allowable load or corrosion suitability.
For brackets, hinges, and structural connectors, use the fasteners required by that product’s instructions. Do not substitute an ordinary deck screw for a specified connector screw, bolt, or nail just because it fits through the hole.
Match the fastener to the wood and exposure
Pressure-treated lumber can affect metal corrosion. Simpson Strong-Tie recommends selecting compatible fasteners and connectors for the treatment and exposure; it also warns against mixing stainless steel connectors with galvanized fasteners. Check the complete connection, not only the screw box.
“Exterior,” “galvanized,” and “coated” are not interchangeable specifications. Ask for the exact product name and manufacturer guidance. A decorative coating is not proof of suitability for treated wood or a persistently wet location.
For cedar, discuss corrosion resistance and staining with the supplier. The Western Red Cedar Lumber Association identifies suitable corrosion-resistant hardware for outdoor work. A more resistant metal does not remove the need to choose the right size and install it correctly.
Length and placement need a connection detail
Measure the actual board and support thickness before selecting length. The fastener needs the specified engagement in the supporting material without leaving an exposed point where someone can contact it.
Ask about edge distance, end distance, pilot holes, and the number of fasteners at each support. These depend on the materials and connection. Avoid a universal instruction to use the same screw length, pilot bit, or spacing for every fence.
Overdriving can damage the surface or connection. Inspect the first few installed boards and agree on the appearance before the crew repeats the detail along the full run.
Gate hardware deserves separate attention
Gate weight and repeated movement put different demands on the frame, hinges, fasteners, and posts. A wider opening should not simply receive the same hardware as a narrow pedestrian gate.
- Confirm the hinge and latch model and rated application.
- Identify any required reinforcement or backing.
- Check the swing path and closing clearance.
- Plan access for adjustment and replacement.
- Verify any special requirements for a pool or automated gate.
What rust, staining, or loose boards can mean
A loose board may involve a damaged connection, split wood, deteriorated support, or movement elsewhere in the fence. Driving a larger fastener into the same damaged area is not always a sound repair.
Have widespread corrosion or a sagging gate evaluated. Simpson Strong-Tie notes that actual fastener service life cannot be predicted accurately from a simple product label or laboratory test. Avoid fixed replacement schedules that ignore the fence’s condition.
Questions to put in a written estimate
- What fasteners attach boards, rails, brackets, and gate hardware?
- Are they compatible with the specified wood treatment and connectors?
- How will visible heads and potential staining be handled?
- Which components can be replaced individually?
- What workmanship and material warranty terms apply to this project?
Compare wood fence options with those details in view. If you already have loose boards or a gate that no longer closes, send photographs when requesting a fence repair assessment.
Read a fastener specification in the right order
Begin with its intended application: picket attachment, rail connection, bracket, or gate hardware. Then identify the material, coating, diameter, length, head style, and installation requirements. Two screws of the same length can be intended for very different jobs.
For a manufactured connector, use its specified fastener schedule. The number and placement of fasteners are part of the assembly. Filling every available hole with a different screw is not proof that the connection matches the tested or designed detail.
Keep product packaging or a record of the model number. That helps distinguish a coating approved for the selected wood treatment from a similar-looking general-purpose product.
Diagnose a loose connection before refastening it
- One loose board: Check the board, the rail behind it, and the surrounding connection. A replacement fastener needs sound supporting material.
- Several loose boards in a row: Inspect the rail and posts as well as the pickets. A shared support problem may explain the pattern.
- Dark or orange staining: Identify the hardware and wood before choosing a cleaner or repair. A stain is not a measurement of the connection’s remaining strength.
- A dragging gate: Check alignment and support before adding more screws to a hinge. The hinge may not be the only part moving.
If a component could fall or expose a sharp point, keep people and pets away while the repair is assessed. Avoid hiding a failing connection behind trim.
Why the cheapest hardware comparison can mislead
Fastener cost is only one part of a fence estimate. Labor, access, component availability, and future repair also matter. Compare a complete specification rather than a price per pound of nails versus screws.
Ask the installer to describe a proposed upgrade in concrete terms: a different compatible material, a specified connector, or a connection that allows a board to be removed more easily. Do not use assumed failure dates to turn a small hardware difference into a promised investment return.
Store the connection details with the fence records
Take photographs of visible hardware and save the product list with the invoice. If a later repair uses a different material or connector, record the change and confirm compatibility. Consistent records matter when a fence combines cedar boards, treated rails, and manufactured gate hardware.
Plan your fence with Precision Fenceworks
Bring your photos, rough measurements, and the questions you still need answered. Request a free estimate or call (770) 725-0777 to discuss your property in Atlanta, Athens, Lawrenceville, or a nearby community.
Sources and product guidance
Sources checked for this update. Use the instructions and warranty for the exact product in your estimate.
