In-sail/Sandum specializes in the production of precision components, as well as the design and fabrication of engineering fasteners and custom fastening solutions. With a strong manufacturing background, we are equipped with advanced machinery such as automatic lathes, CNC lathes, CNC machining centers, stamping machines, and cold heading machines. Alongside auxiliary equipment like milling machines, grinders, and EDM, we can support both prototyping and mass production for a wide range of components. ![DIN935 Hexagon Slotted Nuts and Caltle Nuts](http://i.bosscdn.com/uploads/e4/a0/71/b847f6450d1c31e413c1cc442b.jpg) **Manufacturing Capabilities** - **Auto Lathe Turning**: Ideal for high-volume production of brass, aluminum, and stainless steel parts. *Production Range: OD 0.5–20 mm, Tolerance ±0.01 mm* - **CNC Lathe Turning**: Suitable for precision parts with tight tolerances. *Production Range: OD 0.5–250 mm, Tolerance ±0.005 mm* - **CNC Milling**: Capable of producing complex structures using 4-axis and 5-axis machining centers. *Production Range: 800 x 600 mm, Tolerance ±0.05 mm* - **Screw Heading & Rolling**: For small carbon steel or stainless steel screws. *Production Range: M0.8–M6, Equivalent Imperial #0–1/4''* - **Stamping**: Handles blanking, punching, and forming. *Maximum Capacity: 200T* - **Grinding**: Achieves ultra-fine surface finishes. *Tolerance: ±0.002 mm* **Material Options** Aluminum alloy, Brass, Stainless Steel, Carbon Steel, and custom materials based on customer requirements. **Surface Finishes** Milled, Tin Plating, Copper Plating, Hot-Dip Galvanizing, Black Oxide Coating, Red Anodized, Black Anodized, Painting, Powder Coating, Rust Preventive Oil, Titanium Galvanized, Silver Plating, Plastic, Electroplating, Anodizing, and more. **Quality Control** Equipped with advanced testing tools including CMM, Projector, Pull Tester, Automatic Optical Inspector, Salt Spray Test, Durometer, Coating Analyzer, and Tensile Machine. **Certifications** ISO 9001:2008, SGS, RoHS, Material Certification, PPAP **Lead Time** Typically 5–15 working days, depending on order complexity. **Sample Policy** We welcome sample requests to ensure product quality meets your expectations. **Delivery Terms** Available via DHL, UPS, TNT, FedEx, EMS, sea freight, and air freight. **Warranty** We offer free replacement for any defective products. Whether you need custom fasteners, precision-machined parts, or stamped components, In-sail/Sandum is here to deliver high-quality, reliable solutions tailored to your needs. Contact us today to discuss your project!

Metal Welding Parts

Metal Welding Parts,Surface,Treatment and Testing,Customization Size Figure

Changzhou Fuku Precision Machinery Co., Ltd. , https://www.fukuindustrial.com