SEMS Screws (Machine Screw Thread)
Shop SEMS screws, also called sem screws, for fast and efficient fastening. These screws come pre-assembled with washers, reducing assembly time and part count. They are ideal for automotive, electronics, and appliance applications.
Springs Fastener offers SEMS screws in various sizes, thread types, and head styles. Choose from individual packs or bulk quantities with tiered pricing.
Most orders ship within 24 hours. We deliver across the United States.
Browse our SEMS screws below. Looking for metric sizes? View metric SEMS screws. Or shop all screws for more options.
SEMS Screws
Key Features of SEMS Screws:- Permanently Attached Washers: The washer or washers are securely fastened to the screw before threading, preventing them from coming loose and ensuring consistent assembly.
- Simplified Assembly: Combining the screw and washer into a single unit streamlines the assembly process, reducing handling and installation time.
- Machine Screw Threads: Precision threading ensures secure and reliable fastening in various applications.
- Electronics: Ideal for securing electronic components, providing a reliable and streamlined fastening solution in electronic devices and assemblies.
- Automotive: Commonly used in automotive manufacturing and repair, offering efficient and dependable fastening for various components.
- Industrial Machinery: Suitable for use in industrial equipment, ensuring secure connections that withstand operational stress and vibrations.
- Appliances: Used in the assembly and maintenance of household and industrial appliances, providing secure and efficient fastening.
- General Assembly: Versatile enough for a wide range of general-purpose fastening tasks where an integrated screw and washer solution is beneficial.
- Increased Efficiency: The integrated design of SEMS screws reduces the number of loose parts, simplifying inventory management and speeding up the assembly process.
- Enhanced Reliability: The permanently attached washer ensures consistent performance and prevents the washer from slipping or misaligning during installation.
- Versatility: Suitable for a wide range of applications, from electronics to industrial machinery, offering flexibility in various assembly processes.
- Durability: Made from high-quality materials, SEMS screws provide long-lasting performance and resistance to wear and corrosion.
Why Choose Springs Fastener?
Shipping Details

Most orders ship within 24 hours. Shipping is available across the United States.
Comprehensive Inventory

Our extensive catalog includes fasteners in various materials, finishes, sizes, and grades.
Ease of Online Purchasing

We accept Visa, MasterCard, AMEX, and Discover.
Purchasing Options

Our fasteners are available in both individual packages and in bulk quantities with tiered bulk pricing.