Precision Machine Screws and Sems Screws for Electronic and Sheet Metal Applications

High-quality machine screws in carbon steel, stainless steel, brass, and aluminum with multiple head and drive configurations

Machine Screws

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Machine Screws

Machine screws are often used for precision electronic parts, and sheet metal applications as well as plastic applications. Generally a smaller fastener, usually has a Phillips or slotted recess.

Specification

  • Material: carbon steel, stainless steel, brass, aluminum
  • Diameter:
    • Machine Screws: #0 ~ #17 or M2 ~ M6.3
    • Sems Screws: #2 ~ #5/16 or M2 ~ M8
  • Length:
    • Machine Screws: 1/4~8" or 6mm ~ 200mm
    • Sems Screws: 1/8" ~ 3" or 4mm ~ 80mm
  • Standard: IFI, DIN, JIS, BS

Head Type

  • pan head, round head, oval head, hex washer head, hex head, flat (C.S.K) head, cheez head, truss head, round washer head, and etc.

Drive Type

  • phillips, star, pozi, square, slot, phillips/slot, phillips/square, hex socket (Allen Key), and etc.

Thread Type

  • machine screw, trilobular thread screw, and etc.

Washer Type

  • helical split washer, external tooth washer, internal tooth washer, flat washer, square cone washer, and etc.

Best Sale

Need Reliable Machine Screws for High-Volume Electronic Assembly Lines?

Our ISO 9001 certified machine screws (#0-#17, M2-M6.3) feature precision Phillips, star, and hex socket drives ideal for automated electronic assembly. With stainless steel grades 302, 304, and 316 options and extensive inspection capacity, we ensure consistent quality for your production demands. Contact us for custom OEM solutions tailored to your electronic fastening specifications.

With over 20 years of manufacturing experience and ISO 9001 and CE EN 14566 certifications, Boss Precision Works ensures consistent superior quality through systematically controlled production processes and extensive inspection capacity with regular calibration and traceability. Our professional OEM/ODM capabilities enable custom solutions for trilobular thread screws and sems assemblies with helical split washers, external/internal tooth washers, flat washers, and square cone washers. Compliant with international standards including IFI, DIN, JIS, and BS, our machine screws are engineered for precision electronic parts assembly, sheet metal fabrication, and plastic component applications. Contact us today to discuss your specific fastening requirements and benefit from our modern production capabilities, eco-friendly coating services, and commitment to being a high-performance, highly-reliable fastener supplier.

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