Machine 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

    Ballistic Steel Machine Screws Manufactured for Combat Helmets

    Norwood Screw Machine has been an approved supplier of military hardware for over 55 years supplying machine screws for all variations of helmets including ACH, ECH, LWH, MICH & PASGT.

    Machine screws in conjunction with nuts are used in pre-drilled or pre-threaded holes. They are commonly used to fasten components to a surface. A variety of machine screws are available from Norwood which feature different threads, heads, lengths, materials, driver points, etc. Norwood’s machine screws are readily available for applications, where the most important factor is for the screw to be impact resistant. Custom brass and steel machine screws can be designed and manufactured in accordance with client requirements.

    Combat Helmet Compatible Machine Screws

    The following types of combat helmet brass and steel machine screws are available from us:

    1. ACH
    2. ECH
    3. LWH
    4. MICH
    5. PASGT

    Steel Machine Screw Thread Types

    Brass and steel Machine screws are threaded externally using cutting and rolling techniques. They can be made available in the following types of threads:

    1. ACME
    2. Machine
    3. UNF
    4. UNC

    Materials Used at Norwood Screw Machine

    We use traceable materials to manufacture our machine screws. Some of the materials used by us are:

    1. Brass
    2. Stainless Steel
    3. Carbon Steel
    4. Alloy Steel
    5. Aluminum
    6. Aircraft Aluminum
    7. Plastics including:
      1. Nylatron
      2. PTFE
      3. Delrin
      4. Nylon

    Types of Machine Screws Available at Norwood Screw Machine

    1. Military Machine Screws
    2. Slotted Machine Screws
    3. Button Machine Screws
    4. Fillister Machine Screws
    5. Countersunk Machine Screws
    1. Hex Machine Screws
    2. Oval Machine Screws
    3. Pan Machine Screws
    4. Round Machine Screws
    5. Truss Machine Screws

    Norwood Machine Screw provides steel machine screws, brass machine screws, and other types of machine screws in various materials manufactured to ensure reliability. With maximized driving power all machine screws have been produced to tolerance dimensions that ensure strength and ballistic requirements. We can help you choose the right machine screw for your application.

    See Other Screws Product Catalog

    Industries We Served

    Quality Control

    We know that we are - and should be - judged by how quickly, accurately & 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 goal are clearly understood & completely achieved.



    Case Studies

    Manufacturing a sensor probe body using CNC milling and turning equipment involves the following steps:

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    Customer Testimonials

    The staff is very helpful fine tuning ideas. The workmanship is flawless. I was very pleased with their services!


    The staff is very helpful fine tuning ideas. The workmanship is flawless. I was very pleased with their services!


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