• Special Screws
  • Captive Screws・Full Thread Screws


Socket Head Cap Captive Screws

  • Loss Prevention

Hints for Correctly Using NBK Products

Dimension Drawing

SSCSocket Head Cap Captive Screws寸法図



M (Coarse)
Nominal of Thread

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L Lm D1 L1 B dc Qty per Pack Mass
SSC-M6-25 M6 1 25 8 10 6 5 4.5 1 7.6 2.05 CAD Cart

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Related Services


Main Body SUSXM7
(Equivalent to SUS304)
Strength Class A2-70


Securement of protective and inspection covers and compliance
with CE marked products
Machine tools, food industry machines, and
electrical and electronic equipment


  • The shape of the screws prevent them from falling out and loss. For fixing protective and inspection covers that are frequently installed and removed.
  • Socket head cap screw type.
  • These items comply with CE marking requirements.⇒Use the NBK Captive Screw Series to be comply with CE
  • Also, captive screws with special specifications for dimensions, shapes, materials, and surface treatments are available.

SSCSocket Head Cap Captive Screws

Precautions for Use

  • Screw hole inner diameter on the cover side shall be at least the dc dimension.
  • The cover thickness should be 0.8 mm or above.

Mounting Example

Process a screw hole in the cover, then pass SSC thread through it. Even when the screw is removed from the frame, SSC does not fall out from the cover because SSC thread catches on the screw hole of the cover.

SSCSocket Head Cap Captive Screws

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