Premium Machine Screws and Sems Screws for Precision Applications

High-Quality Fasteners for Electronics, Sheet Metal and Plastic Assembly

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 Electronics Assembly Lines?

Our precision machine screws (#0 to #17) with phillips and slotted drive types are engineered specifically for electronic parts assembly. With ISO 9001 certification and 20+ years of manufacturing experience, we ensure consistent quality across millions of pieces. Available in carbon steel, stainless steel, brass, and aluminum to meet your exact conductivity and corrosion resistance requirements. Contact us for custom specifications and volume pricing for your production needs.

With over 20 years of experience and ISO 9001 and CE EN 14566 certifications, we offer comprehensive customization options including pan head, round head, oval head, hex washer head, flat head, and truss head configurations. Our machine screws feature multiple drive types including phillips, star, pozi, square, slot, and hex socket to meet diverse application requirements. We provide professional OEM/ODM capabilities with various thread types including machine screw threads and trilobular thread screws, complemented by multiple washer options for sems screws including helical split washers, external/internal tooth washers, and flat washers. Contact us today for reliable, high-performance fastener solutions tailored to your specific manufacturing needs.


Hot Products

Stainless Steel Screw

Stainless Steel Screw

BOSS provide high quality of Stainless Steel screws which made in Taiwan. Stainless steel is the best at protecting screws from corrosion.Our company are able to offer 302, XM7, 304, 305 & 316 which can be used...

Read More
Self-Drilling Screw

Self-Drilling Screw

Self-Drilling screws are designed to drilling through the hard surface object without drilling holes. BOSS manufactures with variety Self-Drilling screws and Drill points with #1 through #5. The dill point...

Read More
Eco-Friendly Coating Screw

Eco-Friendly Coating Screw

BOSS is experienced and knowledgeable in surface coating screws, provide various types of coating service to meet customers' needs. Our company attach importance to environmental pollution in recent years,...

Read More