• Construction Screws

Construction Screws

Construction Screws are externally threaded fasteners used to make strong, serviceable connections in metal, wood, and machinery. A deep inventory keeps it simple: you match the spec to the job instead of forcing the job to fit whatever is in the bin. South Coast Fasteners stocks Construction Screws in a full range of sizes, grades, and finishes, with fast 3-5 day shipping. Popular options include structural wood screws, exterior construction screws, and star drive construction screws.

 Product Name
Part Number
Diameter
  1
Length
Thread Pitch
Material
Thread
Finish
 
T40
6661 #6 1/2" Hardened Steel Black Phosphate
6661 #6 5/8" Hardened Steel Black Phosphate
6661 #6 3/4" Hardened Steel Black Phosphate
667 #6 1/2" Hardened Steel Black Phosphate
667 #6 3/4" Hardened Steel Black Phosphate
667 #6 1" Hardened Steel Black Phosphate
667 #6 1 1/2" Hardened Steel Black Phosphate
686 #6 3/8" (FT) 18 Steel Coarse Zinc Cr+3
717 #6 5/8" (FT) Hardened Steel Plain
717 #6 1/2" Hardened Steel Plain
717 #6 1" Hardened Steel Plain
717 #6 3/4" Hardened Steel Plain
717 #6 1 1/2" Hardened Steel Plain
717 #6 1/2" Hardened Steel Plain
717 #6 3/8" Hardened Steel Plain
717 #6 1/2" Hardened Steel Plain
717 #6 5/8" Hardened Steel Plain
717 #6 3/4" Hardened Steel Plain
686 #7 1/2" (FT) 16 Steel Coarse Zinc Cr+3
Showing 1-20 of 117 Results

Materials and Finishes

Choose Construction Screws by grade and finish, with carbon steel for general work, alloy for strength, and stainless for corrosion resistance, plus zinc and hot-dip galvanized options for the outdoors. Pair them with Finished Hex Nuts, Flat Washers, and fasteners to round out the assembly.

How to Choose

Start with the diameter, thread pitch, and length your assembly needs, then choose a grade that carries the working load and a finish suited to the environment. Step up to alloy or stainless when strength or corrosion resistance is critical.

Construction Screws Industry Applications

Construction Screws show up across a wide range of industries and applications. Furniture and manufacturing fasten cabinetry, trim, and millwork with them, while construction and automotive drive them into lumber without splitting. Interior zinc through exterior-coated and stainless, sized by gauge and length for the lumber and the load.

Frequently Asked Questions

What materials and finishes are construction screws available in?

Choose construction Screws by grade and finish, with carbon steel for general work, alloy for strength, and stainless for corrosion resistance, plus zinc and hot-dip galvanized options for the outdoors.

What are construction screws used for?

Construction Screws are specified across furniture, manufacturing, construction, and automotive, from structural framing and heavy equipment to machinery and general repair.

How do I choose the right construction screws?

Start with the diameter, thread pitch, and length your assembly needs, then choose a grade that carries the working load and a finish suited to the environment. Step up to alloy or stainless when strength or corrosion resistance is critical.

Can I order in bulk or request a quote?

Yes. Stock covers small orders and full production runs. Reach out for a quote or product help.

Why Choose South Coast Fasteners?

Beyond fasteners, we carry PPE, hand tools, cutting tools, abrasives, and industrial supplies, all stocked at competitive prices and backed by fast shipping and people who know the products.