Boxin · Hengzhen · Botrust
Precision Manufacturing・Powering the World
MIM
This component is a precision stainless steel watch‑band lug/connector manufactured via MIM (Metal Injection Molding). It is produced using an integral molding process and features a symmetrical, arcuate structure. Combining high precision, exceptional strength, a highly polished finish, and excellent corrosion resistance, it is primarily used in watch assemblies as a connecting element between the watch band and the case, ensuring secure attachment and optimal fit.
- Product Description
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I. Basic Product Information
- Product Name : MIM stainless steel precision watch lugs / strap connectors
- Manufacturing process Metal Injection Molding (MIM)
- Material : Stainless steel (e.g., 316L medical-grade stainless steel; other alloy materials available upon request)
- Core function: Serves as the connecting component between the watch case and the strap, compatible with standard lug holes to enable quick strap attachment and secure fastening, while enhancing the watch’s overall aesthetic appeal and durability.
II. Structure and Process Details
- Appearance and Structural Features
- The overall structure is a symmetrical, arc‑shaped, one‑piece design, featuring a flat base in the center and curved arms extending from both ends. The arm tips are equipped with mounting holes, allowing direct engagement with the watch case and lugs for quick assembly.
- The surface has been meticulously polished to a high gloss, delivering a delicately smooth texture free of burrs and scratches. Its edges feature a gentle, rounded transition, preventing skin irritation during wear while enhancing the watch’s overall refinement.
- The structure exhibits high symmetry, with excellent coaxial alignment of the mounting holes at both ends. After assembly, the strap fits snugly against the case, with no wobbling or misalignment, ensuring compatibility with straps of various sizes.
- MIM Process Advantages Are Evident
- One‑step molding of complex structures: Features such as curved contours, mounting holes, and symmetrical geometries eliminate the need for secondary machining, enabling direct mold forming with dimensional accuracy up to ±0.03 mm, high inter‑part consistency, and no additional fitting or trimming required.
- Outstanding material performance: 316L stainless steel achieves high density after sintering, free of porosity and shrinkage defects, and exhibits excellent corrosion resistance and biocompatibility. It is well-suited to the humid conditions of everyday wear and resists rust and allergic reactions.
- Surface‑friendly: It can directly achieve a variety of surface finishes, such as high‑gloss polishing and brushed textures, eliminating the need for additional electroplating, reducing downstream processing steps, lowering costs, and ensuring both superior surface luster and excellent wear resistance.
- High batch‑production efficiency: Mold‑based manufacturing enables rapid large‑volume delivery, ensuring tight dimensional and aesthetic consistency across parts and meeting the scale‑production requirements of watch brands.
- Performance Features
- Comfortable and safe to wear: The edges are rounded with no sharp corners, and the surface is smooth and delicate, ensuring a seamless fit. Made from stainless steel, it’s hypoallergenic and well-suited for extended wear.
- Corrosion-resistant and easy to maintain: Made of stainless steel, it resists sweat and corrosion, so it won’t discolor or rust with prolonged wear. It’s also simple to clean and maintain, making it ideal for everyday use.
- Highly adaptable installation: The mounting hole dimensions and spacing can be customized to match the customer’s watch case model, ensuring compatibility with watches from various brands and in different sizes, thus offering excellent versatility.
- A perfect blend of texture and durability: the highly polished finish elevates the watch’s premium appeal, while the stainless steel construction offers excellent impact resistance, resisting deformation and breakage for a long service life.
III. Application Scenarios
Widely used as strap‑connecting components in mechanical and smart watches, it is particularly well suited to the high‑end watchmaking sector, where stringent requirements are imposed on part precision, surface finish, corrosion resistance, and batch‑to‑batch consistency.
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