Top Fasteners for DIY Projects: Screws, Bolts, and More
For most DIYers, the DEWALT Screw Assortment Set stands out as the top pick because it covers a wide range of common screw sizes and types, making it a great starter kit. Its main advantage is the sheer variety, but the limitation is that the case is bulky and not ideal for on-the-go work.
Fasteners are the unsung heroes of any DIY project. Whether you are hanging a shelf, assembling furniture, or building a deck, the right screw or bolt can make the difference between a sturdy result and a frustrating failure.
This roundup covers top-rated fastener sets from Amazon, focusing on those that offer good value, quality materials, and versatile options for common DIY jobs.
How to pick the right one
The top picks, ranked

DEWALT Screw Assortment Set (DWA2SCREWBIT)
This comprehensive set includes a wide variety of screws and bits in a sturdy case. Owners report that it covers most household needs, from drywall to wood screws, and the case keeps everything organized.
Pros
- Extensive selection for most projects
- High-quality steel construction
- Convenient storage case
Cons
- Case is large for small toolboxes
- Some users find the case latches stiff

HILLMAN 314020 Hex Head Self-Drilling Screws
These self-drilling hex head screws are designed for attaching metal to metal or metal to wood without pre-drilling. Users appreciate the sharp points and reliable performance in HVAC and roofing applications.
Pros
- No pre-drilling required
- Strong hold in thin metals
- Corrosion resistant coating
Cons
- Not suitable for heavy structural use
- Limited length options

GRK Fasteners #8 x 3-1/8″ Structural Screws
GRK’s structural screws are known for their exceptional holding power. They feature a patented thread design that reduces driving torque and prevents splitting in wood. Ideal for framing and decking projects.
Pros
- Extreme pullout strength
- Reduces wood splitting
- Approved for structural applications
Cons
- Premium price point
- Requires star drive bit (included)

E-Z Ancor Toggle Bolt Assortment
This assortment includes various sizes of toggle bolts that are perfect for mounting heavy items like shelves and mirrors onto hollow walls. The toggles provide a secure hold without needing a stud.
Pros
- High weight capacity
- Works in hollow drywall
- Easy to install with included hardware
Cons
- Holes are larger than standard anchors
- Toggles can be tricky to insert in tight spaces

National Hardware 270BC 100-Piece Machine Screw Assortment
A compact assortment of machine screws in common sizes (6-32, 8-32, 10-24) with nuts and washers. Ideal for repairing small gadgets, appliances, or crafts.
Pros
- Variety of common sizes
- Compact and portable case
- Good for precision work
Cons
- Not for heavy loads
- Black oxide may rust if exposed to moisture

Simpson Strong-Tie DWP Hex Head Lag Screws
These hex head lag screws from Simpson Strong-Tie are designed for wood-to-wood fastening. The sharp point and aggressive threads make them easy to drive, and they offer excellent withdrawal resistance.
Pros
- Excellent holding power in wood
- Coating resists corrosion
- Hex head allows high torque
Cons
- Requires pre-drilling for best results
- Limited to wood applications

FastCap 3/4″ ProBox Screw System
FastCap’s ProBox system is a self-centering screw designed for pocket hole joinery. It features a built-in washer that distributes load and prevents pull-through. Popular among cabinet makers.
Pros
- Self-centering for perfect alignment
- Prevents splitting
- Consistent depth control
Cons
- Only for use with pocket hole jigs
- May be overkill for simple DIY
Side by side
| # | Model | Includes | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | DEWALT Screw Assortment Set (DWA2SCREWBIT) | Multiple types of screws and bits | General purpose DIY and everyday repairs | 9.4 | Check price |
| 2 | HILLMAN 314020 Hex Head Self-Drilling Screws | Self-drilling hex head | Metal to metal and metal to wood fastening | 9.0 | Check price |
| 3 | GRK Fasteners #8 x 3-1/8″ Structural Screws | Structural wood screw | Heavy-duty structural connections | 9.2 | Check price |
| 4 | E-Z Ancor Toggle Bolt Assortment | Toggle bolts | Hanging heavy items on drywall | 8.8 | Check price |
| 5 | National Hardware 270BC 100-Piece Machine Screw Assortment | Machine screws with nuts/washers | Electronics and small appliance repairs | 8.5 | Check price |
| 6 | Simpson Strong-Tie DWP Hex Head Lag Screws | Lag screw | Wood to wood connections in decks and fences | 9.1 | Check price |
| 7 | FastCap 3/4″ ProBox Screw System | Pocket hole screw | Professional woodworking and cabinetry | 8.7 | Check price |
Frequently asked questions
What is the difference between a screw and a bolt?
Screws are typically installed into pre-existing threads or create their own threads in materials like wood or plastic. Bolts require a nut to fasten and are usually used with a washer. Bolts are often used in metal-to-metal connections, while screws are more versatile for DIY.
How do I choose the correct screw length?
A general rule is that the screw should penetrate into the base material by at least 1 inch. For example, if you are attaching a 1/2 inch board to a stud, a 1.5 inch screw would be suitable. Factor in the thickness of both materials.
Are self-drilling screws better than regular screws?
Self-drilling screws have a drill bit tip that eliminates the need for pilot holes in thin metal. They are faster to use, but for thick metal, you may still need to pre-drill. For wood, regular screws are often sufficient and less expensive.
Can I use wood screws in metal?
Wood screws are not designed for metal. They have a sharp point that may break, and the threads will not grip properly. Use self-drilling screws or machine screws with nuts for metal applications.
What are the best fasteners for drywall?
For light loads, standard drywall anchors are fine. For heavier items like shelves or mirrors, toggle bolts or molly bolts provide strong support. In bathrooms or kitchens, use corrosion-resistant anchors.
How do I prevent screws from stripping?
Use the correct driver bit that fits snugly into the screw head. Apply steady pressure and avoid over-torquing. Using a screwdriver with a magnetic tip can help. If stripping occurs, use a rubber band to grip or switch to a slightly larger bit.
What does ‘gauge’ mean in screws?
Gauge refers to the diameter of the screw shaft. Smaller numbers indicate thinner screws. For example, #8 screws are common for general use, #10 for heavier loads. The correct gauge ensures the screw holds without splitting the material.
Are there fasteners that work for both wood and metal?
Yes, some self-tapping screws can be used in both wood and thin metal, but they are not optimal for both. Specialized fasteners like TEK screws are designed for metal, while wood screws have features that prevent them from working well in metal.
How should I store my fasteners?
Keep them in a cool, dry place to prevent rust. Use compartmentalized cases or jars to organize by type and size. Silica gel packets can help absorb moisture. Avoid mixing different coatings, as they can react and cause corrosion.
Can I reuse screws?
Screws can be reused if they are not stripped or damaged. However, wood screws may lose their grip in the same hole. For load-bearing applications, it is safer to use new screws to ensure structural integrity.
Final word
For most DIYers, the DEWALT Screw Assortment Set is the most versatile and cost-effective choice. If your projects involve significant metal work, the HILLMAN Self-Drilling Screws are a solid option. For heavy structural tasks, invest in GRK Structural Screws. Remember to always use the right fastener for the job to ensure safety and durability.