Knurled 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

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Product Description

Solution Driven Knurled Thumb Screws for Industrial Applications

Knurled screws are types of thumb screws, which are used in a variety of applications including military, telecommunications, electronics, commercial, automotive and more. Designed to fasten objects, these screws comprise large heads thus allowing the user to twist the screws by hand and install them into pre-drilled holes. The term knurled refers to the type of drive that the screws are designed with. Norwood Screw Machine Parts is one of the leading manufacturers and suppliers of industrial knurled thumb screws.


At Norwood, we have the capabilities to design and manufacture industrial screws in a variety of material and specifications. We provide our knurled thumb screw products in the following specifications.

  • Length: .010″ to 24″
  • Diameters: .010″ to 3″
  • Tolerances: +/-.001
  • Thread Type: Machine UNF, Acme, UNC,
  • Materials:
    1. Carbon Steel
    2. Brass
    3. Alloy Steel
    4. Plastics
    5. Aluminum
    6. Stainless Steel
    7. Aircraft Aluminum


Our knurled screw products can be used in the following industrial applications.

  1. Boats
  2. Safety Guards
  3. Battery Covers
  4. Computer Cases
  5. Electronic Devices

Industrial knurled screws provided by Norwood Screw Machine Parts can be used in various industries as they have been designed to meet different industry standards and certifications.  If you have any queries regarding our 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.