Blind Flange

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

Blind flanges are rims that are used on beams or pipes for attachments or strengthening. A blind flange is a type of flange which has all the relevant holes for bolts, but does not have a center hole. This feature of the blind flange allows it to be used to close the ends of a pressure vessel or piping system completely. Blind flanges also provide access to the interior of a vessel or a line which is sealed tight. You can reopen the flange to get access. Apart from this, these flanges play a vital role in testing the flow of liquid or gas in a vessel or pipe. At Norwood Screw Machine Parts we provide quality blind flanges to suit a variety of applications.

Specifications of Blind Flanges

We can provide blind flanges in the following specifications:

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

Industries Served

Blind flanges provided by Norwood Screw Machine Parts find their use in a vast variety of applications. Here are some application areas where blind flanges are used extensively:

  1. Instrumentation
  2. Domestic Flange Manufacturers
  3. Power Generation
  4. Petroleum and Petrochemical Processing Plants
  5. Pump and Compressor Manufacturers
  6. Valve manufacturers
  7. Vessel and Heat Exchanger Manufacturers
  8. Fabricators

Norwood Screw Machine Parts is one of the leading manufacturers and suppliers of screws, nuts, flanges, bolts, couplings and bushings to name a few. We have a reputation of providing the best-in-class, precision-engineered blind flanges made from quality raw material. Our experienced professionals can help you with your requirements.  We provide different types of industry-grade flanges. If you are interested in knowing more about blind flanges or other types of flanges, please call us on our toll-free number 1-800-437-6644 or email us 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.