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This section provides an overview for small binding screws as well as their applications and principles. Also, please take a look at the list of 6 small binding screw manufacturers and their company rankings. Here are the top-ranked small binding screw companies as of March, 2026: 1.Supreme Industrial Fasteners, 2.Marvel Metal Impex, 3.J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc..
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A binding head machine screw is characterized by a flat underside of the head, a rounded top, and a trapezoidal cross-sectional shape. They stand out from other round-headed screws such as pan-head and truss screws by having a head diameter that is larger than a pan-head screw but smaller than a truss machine screw.
A machine screw is a screw with a relatively small nominal diameter head, typically featuring slotted or cross-recessed drive parts.
Small binding screws are designed for fastening objects with internal threads. Unlike other screws, they do not require a tapered counterbore on the fastened object, allowing the screw head to protrude slightly. Due to their large head diameter, small binding screws provide a significant contact area, preventing indentation under surface pressure. They are chosen over truss screws when a smaller head diameter is needed, serving a general purpose similar to pan-head machine screws. Their rounded head also offers an aesthetically pleasing appearance for visible applications.
Common uses include securing parts in home appliances and fastening power cord screws in outlet plugs.
Small binding screws function by screwing directly into tapped holes, eliminating the need for nuts. Tightening is achieved using a Phillips or flathead screwdriver inserted into the head's slot or cross-recess. Notably, the length measurement of small binding screws excludes the head height, aligning with the convention for pan head screws and hex bolts, contrasting with countersunk screws where head height is included.
Small binding screws are categorized based on the head's hole shape and material strength classification:
Head designs include slotted (minus hole) for flathead screwdrivers and cross-recess (plus hole) in H (Philips) or Z (Pozidriv) shapes, each requiring specific tools. The Z type is designed to minimize cam-out during tightening.
Materials include steel, stainless steel, and brass. The choice of material and strength depends on the application's requirements, with standards ensuring compatibility and performance.
Specifications are governed by various standards, including ANSI/ASME standards, covering slotted, cross-recessed, and other head types. These standards dictate the screws' dimensional and mechanical properties, ensuring their suitability for a wide range of applications.
Nominal sizes range from M2 to M8, with recommended lengths from 3 (4) to 60mm. Specific length ranges depend on the thread size.
*Including some distributors, etc.
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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.
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.
KD Fasteners, Inc. was founded in 1987 and headquartered in Addison, Illinois. The company is a fastener manufacturer and distributor, specializing in custom fasteners from such materials as steel, brass, silicon bronze, and other non-ferrous metals, supplying over 100,000 different fastener components. The company has 3 product segments: standard fasteners, standard metric fasteners, and custom fasteners. Custom fastener varieties include studs, washers, machine screws, flange bolts, and many other varieties. The company also offers many plating varieties including zinc, black oxide, waxing, and Magni 565 and 560.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Supreme Industrial Fasteners |
12.5%
|
| 2 | Marvel Metal Impex |
12.5%
|
| 3 | J. I. Morris Miniature Fasteners Division of Swissturn/USA, Inc. |
12.5%
|
| 4 | Antrin Miniature Specialties Inc. |
12.5%
|
| 5 | KD Fasteners, Inc. |
12.5%
|
| 6 | U-BOLT-IT, INC. |
12.5%
|
| 7 | Sen Chang Industrial Co., Ltd. |
12.5%
|
| 8 | NBK America LLC |
12.5%
|
Derivation Method
The ranking is calculated based on the click share within the small binding screw page as of March 2026. 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
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 50.0% |
|
India
|
2 | 33.3% |
|
Taiwan
|
1 | 16.7% |
111 products found
111 products
Bossard Co., Ltd.
420+ people viewing
A bind machine screw is a machine screw with a trapezoidal head and a rounded top. It is characterized by a lower head than a pot head and a smalle...
Bossard Co., Ltd.
490+ people viewing
■Features It is characterized by a round convex head with a part of the sphere cut out. The English name is truss head screw. It is called a truss ...
Saima Corporation
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Last viewed: 1 day ago
■NS03 ・Material: Iron/trivalent chromate (5μm) ・Standard packaging: 100 pieces
Azumaneji Co., Ltd.
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Last viewed: 1 day ago
■Tapping screw for resin (nonsert®) Nonsert®, a self-tapping screw for resin, has a small flank angle (sharp thread) and a triangular (onigiri) cro...
Bossard Co., Ltd.
210+ people viewing
Last viewed: 9 hours ago
This is the most common general term for screws used to fasten small parts. Tighten by screwing into the female thread cut into the nut or mating m...
10 models listed
Wilco Co., Ltd.
320+ people viewing
Last viewed: 1 day ago
■Features -Materials include PEEK, PPS, PVDF, PC (polycarbonate), and RENY. - Lighter than metal and has excellent insulation properties. There is ...
10 models listed
Wilco Co., Ltd.
340+ people viewing
Last viewed: 1 day ago
It has a trapezoidal head shape with a rounded top. The head diameter is 10 to 20% larger than that of pan head machine screws, so they have a wide...
