US Micro Screw
Topura Co., Ltd.
Solid Spot LLC NBK America LLC
PennEngineering
NBK America LLC
Micro Fasteners, Inc.
J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc.
CHU WU INDUSTRIAL CO., LTD.
Aspen Fasteners Inc.

9 Small Diameter Bolt Manufacturers in 2024

This section provides an overview for small diameter bolts as well as their applications and principles. Also, please take a look at the list of 9 small diameter bolt manufacturers and their company rankings. Here are the top-ranked small diameter bolt companies as of March, 2024: 1.US Micro Screw, 2.J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc., 3.PennEngineering.

Table of Contents

List of 9 Small Diameter Bolt Manufacturers

*Including some distributors, etc.

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  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

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  • United States of America
  • Japan
  • Taiwan
    • NBK America LLC
      • United States of America Address: 307 East Church Road, Suite 7, King of Prussia, Pennsylvania, United States of America

      Manufacturer Overview

      NBK America LLC, founded in 2015 and based in King of Prussia, Pennsylvania, is an American manufacturer and a subsidiary of Japan's Nabeya Bi-tech Kaisha, specializing in mechanical components. Their product range includes couplings, like miniature shaft couplings for precision machine tools and semiconductor manufacturing equipment, special screws, such as vacuum application screws and other machine components. NBK offers finite automaton (FA) solutions, including wireless positioning units for production lines and setup operations. NBK provides machine component servicing, such as vibration resistance treatment and laser engraving. Services for couplings and special screws include coupling stainless steel screw alteration and screw length adjustment.

    • Solid Spot LLC NBK America LLC
      • United States of America Address: 307 East Church Rd. Suite 7 King of Prussia, Pennsylvania, United States of America

      Manufacturer Overview

      NBK America LLC, based in Pennsylvania, USA, is an international manufacturer of off-the-shelf, screws, fastening tools, and machine components for industries that include semiconductor, medical equipment, and electronics manufacturers. With the acquisition of Solid Spot LLC's fastener supply business in 2022, the company's product range has expanded to include 2,000 plastic fasteners available for order via the Solid Spot online store, from its Pennsylvania office, or from NBK headquarters in Japan.

    • J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc.
      • United States of America Address: 21 Dana Road Oxford, Massachusetts, United States of America

      Manufacturer Overview

      J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc. is a manufacturer and supplier of precision miniature fasteners. With a foundation dating back to 1920, the company operates under Swissturn/USA, Inc. and is based in Oxford, Massachusetts, USA. The company specializes in producing dependable miniature fasteners, including Miniature Machine Screw Threads, UNM (Metric-Miniature), Self-Tapping, Threaded Rods and Wrenches. J.I. Morris Miniature Fasteners offers a wide range of fastening solutions to industries such as electronics, medical devices, and aerospace. Its main services encompass packaging, shipping, designing and manufacturing custom miniature fasteners with precise specifications.

    • PennEngineering
      • United States of America Address: 5190 Old Easton Rd. Danboro, Pennsylvania, United States of America

      Manufacturer Overview

      PennEngineering was founded in 1942 and is headquartered in Danboro, Pennsylvania. Through its brand, PEM, the company is a manufacturer of fastening tools for industries such as aerospace electronics, automotive electronics, medical, EV, and EV charging. The company has branches across the United States, Europe, and Asia through which it manufactures components in the same regions where they are used. The company has data sheets, CAD downloads, and other tools to assist customers in selecting the correct fasteners for their needs. These fasteners vary by technology, characteristics, and type of material onto which they are applied.

    • Micro Fasteners, Inc.
      • United States of America Address: 13 South Bank Street,Easton, Pennsylvania, United States of America

      Company Overview

      Micro Fasteners, Inc., founded in 1967 and headquartered in Easton, Pennsylvania, USA, is a manufacturer and distributor of a wide array of fastening products. The product varieties cover a broad selection of screws, nuts, bolts, and washers, catering to the needs of industries such as electronics, automotive, aerospace, and construction. The company produces optimal-quality fasteners that offer precision, durability, and stability, making them essential components for assembling various products and structures. It offers custom fastening products, and exports globally with ISO and CE certification.

    • US Micro Screw
      • United States of America Address: 6302 30th AVE NW, Seattle, Washington, United States of America

      Company Overview

      US Micro Screw is a custom micro screw manufacturer and distributor that is headquartered in Seattle, Washington since 1993. The company is a producer and supplier of made-to-specification, custom screws, and fastening solutions to some of the largest contract manufacturers, OEMs, and businesses in the world. US Micro Screw offers a wide range of micro screws, including machine screws, plastic thread-forming screws, and metal thread-forming screws. It also offer custom services, such as thread forming, plating, and coating. The company's products are used in many industries, including consumer electronics, computer technologies, medical instruments, industrial products, and optical devices.

    • CHU WU INDUSTRIAL CO., LTD.
      • Taiwan Address: No. 239-3, Zhongxing N. St., Sanchong Dist., New Taipei City, Taiwan

      Manufacturer Overview

      Chu Wu Industrial Co., Ltd., established in 1985 in Taiwan, is a manufacturer of specialist precision screws for industry. The company's products include micro screws, SEMS screws, and special screws. These products are available in thread sizes from M 1.0 to M 8 and have ROHS-compliant material and finish. It also provides custom design and manufacturing of custom screws to meet client-specific requirements. The company serves markets that include military, aerospace, and medical.

    • Aspen Fasteners Inc.

      Company Overview

      Aspen Fasteners was founded in 1961 and headquartered in Las Vegas, Nevada. Aspen Fasteners is a distributor for industrial fasters. Aspen Fasteners offers an extensive line in both metric and inch standards of anchors, bolts, nuts, screws, washers, rings, pins, pipe plugs, rivets, inserts, rods, studs, spacers, standoffs, panel fasteners, and tools including adapters, drivers anchor setting tools, keys, measuring tools, screwdriver insert bits, and screwdriver power bits. Material types include aluminum, brass, copper, iron, lead alloy, monel nickel copper alloy, nylon, phosphor bronze, plastic, silicon bronze, stainless steel, steel, and zinc.

Small Diameter Bolt Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the small diameter bolt page as of March 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. Topura Co., Ltd.: 622

Newly Established Company

  1. NBK America LLC: 2015 (9 years ago)
  2. CHU WU INDUSTRIAL CO., LTD.: 1985 (39 years ago)
  3. Topura Co., Ltd.: 1950 (74 years ago)

Company with a History

  1. PennEngineering: 1942 (82 years ago)
  2. Topura Co., Ltd.: 1950 (74 years ago)
  3. CHU WU INDUSTRIAL CO., LTD.: 1985 (39 years ago)

Small Diameter Bolt Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Small Diameter Bolt Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 6 75.0%
Japan Japan 1 12.5%
Taiwan Taiwan 1 12.5%

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