Got Flats?... We do! NTF now stocks a full line of Standard and Thick Hardened Washers and 1/8 Thick Fender Washers
Welcome to National Threaded Fasteners

National Threaded Fasteners (NTF) is a stocking importer and master distributor of a variety of Flange Screws, Flange Nuts and Flatwashers.

Established in 1997, NTF has rapidly become a leading supplier of Flange Screws, Flange Nuts and Flatwashers to fastener distributors nationwide.

The key to our success, is providing superior customer service without it reflecting in the price of our products. We take great pride in developing long term relationships with our customers and we’re committed to maintaining them.

Below are just a few benefits NTF customers can expect:

  • Friendly and knowledgeable customer service
  • Superior technical support
  • Product certifications at no extra charge
  • Highly competitive prices
  • Same day shipping on stock items
  • Anonymous drop shipping
  • Package & bulk quantities

All Flange Screws, Flange Nuts and Flatwashers are inventoried in a variety of standard finishes with non-stock finishes available to customer specifications.

Please feel free to contact our friendly sales staff if we can be of assistance.


Products Available from Stock


  • Grade 8 #3 Dome Head Plow Bolts
  • Grade 5 Hex Flange Screws
  • Grade 8 Hex Flange Screws
  • Grade 8 Partial Thread Screws
  • Grade 5 Serrated Flange Screws
  • Grade 5 Large Serr. Flange Screws
  • Grade 8 Serrated Flange Screws
  • Grade 2 Flange Lag Screws
  • Grade 5 Flange Nuts
  • Grade 8 Flange Nuts
  • Grade G Flange Locknuts
  • Grade F Flange Nylon Insert Locknuts
  • Hardened Serrated Flange Nuts
  • Large Serrated Flange Nuts
  • Grade 5 Serrated Flange Nuts
  • Grade 8 Serrated Flange Nuts
  • Metric Class 8.8 Flange Screws
  • Metric Class 10.9 Flange Screws
  • Metric Class 8.8 Serrated Flange Screws
  • Metric Class 10.9 JIS Flange Screws
  • Metric Class 10 JIS Flange Nuts
  • Metric Class 10 Flange Nuts
  • Metric Class 10 Flange Locknuts
  • Metric Class 8 Serrated Flange Nuts
  • Metric Class 10 JIS Serrated Flange Nuts
  • USS/SAE "NT" Hardened Flatwashers
  • USS/SAE "NT2" Thick Hardened Flatwashers
  • USS/SAE "NTX" Extra Thick Hardened Flatwashers
  • Extra Thick Fender Washers (1/8in)

If you do not see a product you need please ask one of our friendly sales staff members. We are always more than happy to quote products that we do not currently carry in stock.


    National Threaded Fasteners LTD. | 3705 Lane Road Ext. | Perry, OH 44081
    phone 440.350.1430 | fax 440.350.1676
    sales@flangescrews.com | www.flangescrews.com
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