• Special Screws
  • Plugs


Hex socket flange head screw plugs

Hex socket flange head screw plugs with O-ring

Dimension Drawing

SFMS-MHex Socket Flange Head Screw Plugs寸法図



M (Fine)
Nominal of Thread

Unit : mm

Part Number M (Fine)
Nominal of Thread
Pitch L D1 L1 B t O-ring
Recommended Torque
Qty per Pack Mass
CAD Standard
SFMS-M12 M12 1.5 12 21 4 6 5 P14 19.2 1 16 13.69 CAD Cart

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Related Services


Main Body SUS304
O-Ring Fluoro-rubber
(Type 4 D of JIS B 2401)


Hydraulic equipment / Pneumatic machinery and equipment / General industrial machines


  • Because an O-ring is included, grooving is not required on the surface surrounding the female screw.
  • Because this is a parallel thread, strain on the female screw like a tightened taper thread does not occur. It is suitable for hydraulic equipment/pneumatic devices that are often mounted and removed.
  • For the stainless steel SFMS, metric screw threads and parallel pipe threads are standardized.

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