Socket Head Bolts

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, Aircraft Aluminum
Grades 1, 2, 5, 7, and 8
Tolerances +/-.001ʺ

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Product Description

Socket head bolts are typically used in applications that require low limited clearance or where parts may not be thick enough to be counter bored or where load capacity is not critical. These types of bolts possess high mechanical strength, are resistant to corrosion, and require very low maintenance.  Norwood Screw Machine parts is one of the leading manufacturers and suppliers of custom socket head bolts in the United States.

Custom Socket Head Bolts Specifications

At Norwood, we manufacture custom socket head bolts in the following specifications:

Materials (Metals) Aluminum, Brass, Alloy Steel, Stainless Steel, Aircraft Aluminum, Carbon Steel, Plastics (Nylatron, PTFE, Delrin, and Nylon)
Coating Wax, Adhesive, Custom Lubricant
Finish Zinc Plated, Black Oxide, Brass, PTFE Coating, Cadmium, Polished, Sterilized, Chrome Plated, Phosphate, Galvanized, Hot Dipped, Custom Nickel Plated
Treatment Case Hardened, Cleaned, Hardened and Ground, Heat Treated, Passivated
Diameter .010″ to 3″
Length .010″ to 24″

Custom Socket Head Bolts Applications

Socket head bolts are mostly used for applications having limited space. These bolts have cylindrical head, and internal wrenching features that enable them to be used in places where external wrenched fasteners are not appropriate. They are widely used in following applications:

  • Critical Vehicle Applications
  • Machine Tools
  • Tools and Dies
  • Earth Moving and Mining Machinery
  • Engineering Applications

The key reasons behind the growing usage of these types of bolts in several industries that they offer reliability, safety, and economy.

Norwood is a well-known manufacturer of the highest quality socket head bolts. We are experts in manufacturing custom socket head bolts that best suit your requirements. For any queries regarding these bolts, please feel free to contact us on our toll-free number 1-800-437-6644 or email at

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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.