Premium Machine Screws & Sems Screws for Precision Assembly

Specialized fastening solutions engineered for electronics, sheet metal, and plastic applications with multiple head and drive type options

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

How can I ensure consistent precision fastening quality across high-volume electronic component assembly?

BOSS machine screws deliver precision-engineered fastening for electronics with ISO 9001 and CE certifications guaranteeing consistent quality. Our diverse head and drive type combinations—including phillips, star, pozi, and hex socket options—enable seamless integration into automated assembly lines. Request a sample kit and technical specifications to validate our fasteners in your production environment.

With over 20 years of manufacturing expertise and ISO 9001 and CE certifications, BOSS provides OEM/ODM customization capabilities to meet your exact specifications. Our trilobular thread technology and optional washer configurations including helical split, external tooth, internal tooth, and square cone washers ensure optimal performance across applications. Whether you require standard specifications or custom engineered solutions, our global supply chain serves electronics manufacturers, sheet metal fabricators, and plastic product OEMs across North America, Europe, Asia, and beyond. Contact BOSS today to discover how our precision fastening solutions can enhance your assembly efficiency and product quality.


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