10 Fine Thread Bolt Manufacturers in 2023
This section provides an overview for fine thread bolts as well as their applications and principles. Also, please take a look at the list of 10 fine thread bolt manufacturers and their company rankings.
Table of Contents
What Is a Fine Thread Bolt?
A fine thread bolt (micro screw) is a thin, short, and small size, smaller than M2.6, with a smaller screw head height and outer diameter than a regular micro screw. In general, "micro screw," "miniature screw," and "precision screw" are also used as synonyms.
In this case, "screw" does not refer only to the screw shape, but also to small-sized screw products.
Uses of Fine Thread Bolts
Fine thread bolts are mainly used in precision equipment such as optical equipment, measuring instruments, and cameras for mounting and assembling parts as "cross-holed small screws for precision equipment" (No. 0 small screws).
There are only a few standard products sold for small screws other than No. 0 for sizes smaller than M2, so fine thread bolts (No. 0 screws) are used when the size is smaller than M2.
Even in the case of M2 or larger screws, since the head is usually smaller than that of small screws, they are sometimes used to suppress the protrusion of the screw head.
The cross-hole for inserting a screwdriver or other tool for tightening the screw is small, and a special tool for small precision screws called a No. 0 screwdriver is used to tighten the screw.
Principle of Fine Thread Bolts
Fine thread bolts have size specifications for the height of the head and the size of the cross-hole. There are three sizes: "No. 0 Class 1," "No. 0 Class 2," and "No. 0 Class 3," as well as "No. 00," which is smaller than "No. 0. Type 1", "Type 2", and "Type 3" represent the size and height of the head.
There are two types of fine thread bolts head shapes: "pan head" and "knob head," with the knob head being Type 1, 2, or 3, and the knob head being Type 1 or 3. The size increases in the order of Type 1 to Type 3.
The nominal diameter (screw diameter size) of fine thread bolts ranges from M1.0 to M2.6 (1 mm to 2.6 mm).
Materials used include iron, carbon steel, stainless steel, titanium steel, etc. Resin and brass are also available.
Some screws have nylon welded to the threads to create an anti-loosening effect through friction.
Performance Comparison of Fine Thread Bolts
Performance Comparison Table of Fine Thread Bolts
| Product Name | SNZFS-M1.4-2 | SNZFS-M2.6-8 | Camera Screw | Camera Screw | ±Micro Screw | Thread Looseness Prevention Micro Screw |
| Nominal diameter[mm] | 1.4 | 2.6 | 2 | 1.7 | 1 | 1.2 |
| Overall length [mm] | 2 | 8 | 1.7 | 1.4 | 1.5 | 1.7 |
| Company Name | Nabeya Bi-Tech Company | Nabeya Bi-Tech Company | Matsumoto Sangyo K.K. | Matsumoto Sangyo K.K. | Nishimura Metal Co. | Nishimura Metal Co. |
List of 10 Fine Thread Bolt Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
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- United Kingdom
- United States of America
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Shenzhen Heat Hardware Co.,Ltd
Micro Screws
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Gaoyi
Fine Thread Bolts
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Suzhou Anzhikou Hardware Technology Co., Ltd.
Micro Screws
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Kalyani
Micro Screws
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Fine Thread Bolt Manufacturer Ranking
*Including some distributors, etc.Number of Employees
Newly Established Company
- American Pride Fasteners: 2004 (19 years ago)
- Fastenright Limited: 1983 (40 years ago)
- ondrives us: 1953 (70 years ago)
Company with a History
- ondrives us: 1953 (70 years ago)
- Fastenright Limited: 1983 (40 years ago)
- American Pride Fasteners: 2004 (19 years ago)
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