• Special Screws
  • Inch Screws


Socket Head Cap Captive Screws (Inch Screws)

  • Loss Prevention

Hints for Correctly Using NBK Products

The video is an example using SSC(SSC). You can perform the same operation using this product.

Dimension Drawing

SSC(INCH)Socket Head Cap Captive Screws (Inch Screws)寸法図

Unit : inch

Part Number # Nominal of Thread L Lm(mm) D1 L1 B dc
SSC-1/4-20-3/4 1/4-20UNC 3/4 9 0.375 0.25 3/16 4.6 6.8 4.18 CAD Cart

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Related Services


Main body Equivalent to SUS304
Strength Class A2-50


Fixing of protection cover and cover for inspection / CE marking
Machine tool / Food machinery / and Electronic device


  • We also produce captive screws of special specifications, e.g. dimensions, shapes, materials and surface treatment. Please feel free to contact our customer service.

SSC(INCH)Socket Head Cap Captive Screws (Inch 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

Machine a screw hole on the cover and let through the threaded part of SSC(INCH). Threaded part of SSC(INCH) is still engaged with the screw hole on the cover even after the screw is removed from the frame, so SSC(INCH) never fall out of the cover.

SSC(INCH)Socket Head Cap Captive Screws (Inch Screws)

Product List

Click here to see SSC-1/4-20

Click here to see SSC(INCH)

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