Heads & Threads International

Heads & Threads International is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Fasteners Industrial & Construction
• Nuts & Bolts

North American Industry Classification System (NAICS) Categories:

• Industrial Supplies Merchant Wholesalers > Couplings, Cylinders & Fasteners > Fasteners
• Hardware Stores > Bolts, Joints & Fasteners > Bolts, Nuts & Screws

Standard Industry Classification (SIC) Categories:

• Industrial Supplies > Couplings, Cylinders & Fasteners > Fasteners
• Hardware Stores > Tool Accessories > Nuts & Bolts