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watch screws Manufacturers

The watch screw belongs to the precision screw, the reason is the slotted screw is determined by its processing. Watch precision screw is processed by the car; the slotted head processing is relatively simple. If it is to process the cross, the cost will be higher, and without secondary processing, the CNC processing can not be processed out of the cross. And the cross groove with the head machine is easy to process, because the watch screw is very small, so the cross groove is also very small, leading to the head colding being also very difficult, and even some conventional equipment can not be processed. Moreover, a slotted screw can be flat and thin, a cross screw, because of the middle depression, raised around, can not be as thin as a slotted head.
If it is the screwsthat will be used for the attachment, then the precision of the screw must be strictly controlled. A watch screw is generally used for the connection of the inner side of the accessories' fastening. If the screws are not precise enough, it will be difficult to assemble, so we should consider the precision of the watch screw.
To sum up, most of the watch screws have a word groove, there are also a small part of the requirements will be used in the cross groove. In fact, whether it is a slotted screw or cross cross-slotted screw, we can customize according to your requirements. The company is committed to precision small screw customization, has 20 years of experience, small specifications can do 0.6mm precision small screw, if there is a demand for precision small screw, you are welcome to inquire, looking forward to win-win cooperation with you!
Focused on precision screw manufacturing and customized fastener solutions.

Suzhou Anzhikou Hardware Technology Co., Ltd. is a manufacturer integrating the development, production, and sales of precision screws. watch screws Manufacturers and watch screws Factory in China. The company's existing factory covers an area of 2000 square meters and has successively introduced more than 200 sets of precision equipment from Taiwan and Japan, including a complete set of fastener production equipment such as cold heading, thread rolling wire, CNC and anti-loosing, etc., which can produce miniature screws with an external diameter of 0.6mm/length of 0.6 mm, and the annual production capacity of standard parts and non-standard screws is up to 2,000 square meters.
Anzhikou hardware has a complete range of testing equipment and has passed the ISO9001:2015 quality system certification, with 20 years of industrial production and development experience, industry experience of 20 years of engineering and technical staff of 10, according to customer needs to customize a variety of non-standard screws, Wholesale watch screws, to meet different customer quality and quantity requirements. Suzhou Anzhikou precision screws with excellent product quality, best-selling export 40 countries and area worldwide.

Suzhou Anzhikou Hardware Technology Co., Ltd.
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Industry Knowledge

Material Selection for Watch Screws

Watch screws are typically manufactured from stainless steel, titanium, or specialized alloys to ensure high corrosion resistance, strength, and longevity. Due to their miniature size, often below 1mm in diameter, the choice of material significantly affects mechanical performance, wear resistance, and precision during assembly.

Alloy composition must also consider thermal expansion properties to maintain stability within the delicate watch mechanisms, ensuring accurate timekeeping under varying temperatures.

Micro-Threading and Precision Engineering

Watch screws require extremely precise threading to secure gears, plates, and other components without creating friction or misalignment. CNC machining and cold heading techniques are employed to produce screws with exact thread pitch and consistent tolerances, minimizing the risk of damaging delicate internal mechanisms.

  • Micro-thread screws improve alignment of watch movements and reduce wear over time.
  • Consistent thread geometry ensures smooth assembly and prevents backlash in the gear train.
  • Precision engineering allows for reliable disassembly and maintenance without affecting overall accuracy.

Surface Treatment and Corrosion Resistance

Surface treatments such as passivation, polishing, or black oxide coating enhance corrosion resistance and reduce friction. This is particularly critical for wristwatches that may be exposed to sweat, humidity, or contact with water.

High-quality finishing not only protects mechanical function but also maintains aesthetic appeal, especially for visible screws in luxury watch designs.

Comparative Table of Watch Screw Materials

Property Stainless Steel Titanium Special Alloy
Weight Moderate Light Varies
Corrosion Resistance High Excellent Very High
Strength Good High Moderate to High
Finish Options Polished, Passivated Anodized, Polished Custom Coatings

Applications and Maintenance in Watchmaking

Watch screws are essential for securing plates, bridges, gears, and hands within mechanical and quartz movements. The precision of each screw directly affects timekeeping accuracy and movement stability. Miniature screws, often below 0.6mm in diameter, require specialized tools and techniques for assembly and maintenance.

Regular inspection and proper torque application prevent loosening and wear. Using precision screws produced to exact tolerances allows watchmakers to assemble complex movements reliably while maintaining aesthetic and functional excellence in high-end timepieces.