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Hex Socket Cup SEMS Machine Screws

Hex Socket Cup SEMS Machine Screws, this model is hexagon socket cup head screws combined with two washers, black oxide finish, steel material, machine thread

  • Carbon steel 8.8/12.8/6.8/4.8
  • Size:M3,M3.5,M4,M6,M6,M7,M8,M9,M10,M12,M16
  • Full thread
  • Black oxide surface treatment
  • Head Type:Hexagonal socket cup
  • Corrosion-Resistant
  • Hex Socket Cup SEMS Machine Screws
  • Can customize as your drawing and design
  • Samples are available


Heatfastener is a Specialty Fastener manufacturer and supplier in China, we carry various custom special screws and bolts. we have the R&D dept design and produce the best products

MaterialCarbon steel 4.8/8.8/12.8
FinishBlack oxide or customized as customer’s needs
PackagePlastic bag+Carton
SizeM2, M3.5 M4, M5, M6, M7, M8, M9, M10, M12, M16 or customized as per drawing
PaymentT/T or Paypal
Screw Head TypeTorx Pin
Product type Hex Socket Cup SEMS Machine Screws
Guaranteeone year
Thread typeFull thread thread
Lead time20days
ServiceCustomized as customer’s drawing or requirements
Deliveryby sea or Express

Frequently Asked Questions

SEMS Screws also called Combination Screws which are separate parts like a screw or bolt with one or two washers into one pre-assembled screw. screw manufacture assembles at the factory so users can save assembly time. it is conveniently versatile to several applications.

SEMS Screws can be many types, if divide by screw head and drive, it can be hex socket cup SEMS screws, slotted head, etc. if by size can be M3, M4, M5, M6, M8, M10, M12, M16, and more. can be stainless SEMS screws, and brass SEMS Screws, or Machine SEMS Screws, SEMS self-tapping screws. Also of these SEMS Screws, we can make.

Other SEMS Screws

About Us

Shenzhen Heat Hardware Co., Ltd is a leading custom screw manufacturer in China founded in 2000 years. We are specializing in custom screws, security screws, Sems screws, Chicago Screws, Weld Screws, Long screws, Micro Screws, Thumb Screws, Set Screws, Custom bolts, carriage bolts, nuts, and other custom Fasteners. With more than 20years of industry experience. We have serviced over 20000customers including the aerospace industry, automotive industry, electronics, mechanical and electrical products, robots, the Medical industry, communications industry, Outdoor sports products, smart appliances, etc. we can provide one-stop fastener customized service for you no matter what kind of custom fastener you need.

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