page_banner06

products

Sems Screws

YH FASTENER provides SEMS screws pre-assembled with washers for efficient installation and reduced assembly time. They offer strong fastening and vibration resistance in various machinery applications.

metric-sems-screws.png

  • External tooth washer hex head machine screw manufacturer

    External tooth washer hex head machine screw manufacturer

    • Different drive and head style for customized order
    • Standard: DIN, ANSI, JIS, ISO
    • Available with a variety of head shapes
    • Various materials can be customized

    Category: Sems screwTags: black hex head screws, custom screw manufacturer, external tooth washer screw, hex head machine screw, Lock washer screw, sems screws suppliers

  • Double washer sems phillips pan head machine screw

    Double washer sems phillips pan head machine screw

    • Different drive and head style for customized order
    • Standard: DIN, ANSI, JIS, ISO
    • From M1-M12 or O#-1/2 diameter
    • Various materials can be customized

    Category: Sems screwTags: black zinc screws, phillips pan head machine screw, screw with lock washer, sems machine screw, zinc plated screws

  • Double sems socket cap truss head screw supplier

    Double sems socket cap truss head screw supplier

    • Different drive and head style for customized order
    • Standard: DIN, ANSI, JIS, ISO
    • No cross-threading and assist in initial threading
    • Various materials can be customized

    Category: Sems screwTags: custom screw manufacturer, double sems screw, socket cap screw, truss head screw

  • 6# internal tooth washer sems phillips truss head screw supplier

    6# internal tooth washer sems phillips truss head screw supplier

    • High-quality at low prices
    • USA standard fasteners, such as Grade 5 and Grade 8
    • Comprehensive selection industrial, automotive, and construction fasteners
    • Easy to use

    Category: Sems screwTags: internal tooth washer, machine screws manufacturers, phillips truss head screw, sems machine screw, sems screw

  • High-Strength Hex Recess Automotive Screws with Nylon Patch

    High-Strength Hex Recess Automotive Screws with Nylon Patch

    The Hex Recess Sems Screw with Nylon Patch is a premium non-standard hardware fastener designed for high-performance applications in the automotive and industrial sectors. Featuring a hex recess drive for superior torque transfer and a cylinder head (cup head) design for a secure fit, this screw ensures reliable fastening even in high-vibration environments. The addition of a nylon patch provides exceptional resistance to loosening, making it ideal for critical applications where stability and durability are paramount.  

  • Corrosion Resistant  Pan Head Flat Washer Square Washer Washer Attached Sems Screw

    Corrosion Resistant Pan Head Flat Washer Square Washer Washer Attached Sems Screw

    When it comes to secure and efficient fastening, Sems screws with pre-attached washers ensure stability and reduce assembly time. Yuhuang Technology Lechang Co., LTD provides corrosion-resistant Sems screws, including hex head, pan head, and Torx drive designs, ideal for electronics, machinery, and automotive applications.

  • philips hex head sems screw For automotive accessories

    philips hex head sems screw For automotive accessories

    Cross hexagon combination screws are specialized fasteners designed for use in automotive accessories and new energy storage products. These screws feature a unique combination of a cross recess and a hexagon socket, providing excellent torque transmission and ease of installation. As a leading manufacturer of high-quality fasteners, we offer a wide range of cross hexagon combination screws that meet the specific requirements of the automotive and new energy industries.

  • Custom carbon steel combination sems screw

    Custom carbon steel combination sems screw

    There are many kinds of combined screws, including two combined screws and three combined screws (flat washer and spring washer or separate flat washer and spring washer) according to the type of combined accessories; According to the head type, it can also be divided into pan head combination screws, countersunk head combination screws, external hexagonal combination screws, etc; According to the material, it is divided into carbon steel, stainless steel and alloy steel (Grade 12.9).

  • stainless steel sems screws manufacturer

    stainless steel sems screws manufacturer

    We take pride in being a leading fastener enterprise that offers a wide range of high-quality products to our esteemed customers around the globe. With over 20 years of experience in the fastener industry, we have earned a prestigious reputation for our professional design, impeccable production standards, and exceptional customer service. Today, we are thrilled to introduce our latest creation – SEMS Screws, the ultimate combination screws that are set to revolutionize the way you fasten materials.

  • hex socket sems screws safe bolt for car

    hex socket sems screws safe bolt for car

    Our combination screws are manufactured from high-quality materials such as stainless steel or high-quality alloy steel. These materials have excellent corrosion resistance and tensile strength, and are able to maintain stable performance in a variety of harsh environments. Whether in the engine, chassis or body, combination screws withstand the vibrations and pressures generated by the operation of the car, ensuring a secure and reliable connection.

  • High strength hexagon socket car screws bolts

    High strength hexagon socket car screws bolts

    Automotive screws have excellent durability and reliability. They undergo special material selection and precise manufacturing processes to ensure long-term stable operation in harsh road conditions and various environments. This allows automotive screws to withstand loads from vibration, shock, and pressure and remain tight, ensuring the safety and reliability of the entire automotive system.

  • Hardware manufacturing phillips hex washer head sems screw

    Hardware manufacturing phillips hex washer head sems screw

    Phillips hex head combination screws have excellent anti-loosening properties. Thanks to their special design, the screws are able to prevent loosening and make the connection between the assemblies more robust and reliable. In a high-vibration environment, it can maintain a stable tightening force to ensure the normal operation of machinery and equipment.

SEMS screws integrate a screw and washer into a single pre-assembled fastener, with a built-in washer under the head to enable rapid installation, enhanced durability, and adaptability to diverse applications.

dytr

Types of Sems Screws

As a premium SEMS screw manufacturer, Yuhuang Fasteners delivers versatile SEMS screws customizable to your exact specifications.We produce stainless steel SEMS screws, brass SEMS screws,Carbon steel Sems Screw, etc

dytr

Pan Phillips SEMS Screw

A dome-shaped flat head with Phillips drive and integrated washer, ideal for low-profile, anti-vibration fastening in electronics or panel assemblies.

dytr

Allen Cap SEMS Screw

Combines a cylindrical Allen socket head and washer for high-torque precision in automotive or machinery requiring corrosion-resistant secure fastening.

dytr

Hex Head with Phillips SEMS Screw

Hexagonal head with dual Phillips drive and washer, suited for industrial/construction applications needing tool versatility and heavy-duty grip.

Application of Sems Screws

1.Machinery Assembly: Combination screws secure vibration-prone components (e.g., motor bases, gears) to withstand dynamic loads in industrial equipment.

2.Automotive Engines: They fix critical engine parts (blocks, crankshafts), ensuring stability under high-speed operation.

3.Electronics: Used in devices (computers, phones) to fasten PCBs/casings, maintaining structural integrity and reliability.

How To Order Sems Screws

At Yuhuang, securing custom fasteners is structured into four core phases:

1.Specification Clarification:Outline material grade, precise dimensions, thread specifications, and head configuration to align with your application.

2.Technical Collaboration:Collaborate with our engineers to refine requirements or schedule a design review.

3.Production Activation:Upon approval of finalized specifications, we initiate manufacturing promptly.

4.Timely Delivery Assurance:Your order is expedited with rigorous scheduling to guarantee on-time arrival, meeting critical project milestones.

FAQ

1. Q: What is a SEMS screw?
A: A SEMS screw is a pre-assembled fastener combining a screw and washer into one unit, designed to streamline installation and enhance reliability in automotive, electronics, or machinery.

2. Q: Application of combination screws?
A: Combination screws (e.g., SEMS) are used in assemblies requiring anti-loosening and vibration resistance (e.g., automotive engines, industrial equipment), reducing part count and boosting installation efficiency.

3. Q: Assembly of combination screws?
A: Combination screws are rapidly installed via automated equipment, with pre-attached washers eliminating separate handling, saving time and ensuring consistency for high-volume production.

Write your message here and send it to us