Cap Nut Screws

Product Specification
Length .010 to 24ʺ
Diameter .010 to 3ʺ
Thread Type UNC, UNF, Acme, Machine
Material Brass, Stainless Steel, Carbon Steel, Alloy Steel, Aluminum
Machine Surface Finish Up to a 16 micro
Tolerances +/-.001ʺ

Request A Quote

"*" symbols for mandatory fields

Product Description

High-quality Cap Nut Screws for Diverse Applications

OEMs are driven by several challenges to improve their products, minimize production costs, and gain a competitive edge in the market. Cap nut screws are one such type of fastener which allow OEMs to meet several design challenges and produce products with a smoother finish. Norwood Screw Machine Parts provide high-quality cap nut fasteners which allow OEMs to provide a seamless look and feel to their products. We provide these screws in a broad range of specifications.


Cap nuts are distinguished by their dome-shaped heads which offer protection to bolts and cap screws. Our screws help avoid injuries caused by exposed threads. The cap fasteners provide a decorative appearance to applications and are threaded for reliability. We provide these screws in the following specifications.

  • Length: .010″ to 24″
  • Diameters: .010″ to 3″
  • Tolerances: +/-.001
  • Head Types: Dome
  • Thread Type: Machine UNF, Acme, UNC,
  • Materials:
    • Carbon Steel
    • Brass
    • Alloy Steel
    • Plastics
    • Aluminum
    • Stainless Steel
    • Aircraft Aluminum


Our cap nut fasteners are used in a variety of applications such as

  • Boats
  • Electrical Panels
  • Audio Cabinets
  • Automobile Bodies
  • Furniture

If you have any queries regarding our cap nut screws or other fastener products, please contact us on our toll-free number 1-800-437-6644. You can also send us an email at

Industries Served

About Norwood Screw Machine

Norwood is a privately owned custom screw machine parts manufacturer. For over 59 years we serve some of the largest corporations to the small company with a new product to develop. Whether a unique item with a one time requirement or a long running contract order with scheduled deliveries, Norwood Screw Machine Parts is the right choice for the job.



Quality Control

We know that we are - and should be - judged by how quickly, accurately and cost-effectively we meet our customer's needs. Our in-house quality assurance team begins the process with the receipt of an order. They maintain close communications with customers to ensure that customer goals are clearly understood and completely achieved.