• Special Screws
  • Chemical Resistance Screws


Plastic Screws - Hex Socket Head Cap Screws - PEEK

  • Heat-resistance
  • Chemical-proof

Dimension Drawing

SPE-CPlastic Screw - Hex Socket Head Cap Screws - PEEK寸法図



M (Coarse)
Nominal of Thread

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B Tension Rupture Load
Torsional Torque
Qty per Pack Mass
SPE-M8-30-C M8 1.25 30 13 8 6 3261 3.68 5 2.8 52.64 CAD Cart

*1: Values in chart are for reference only. They are not guaranteed values.The recommendation torque is 50% of the torsional torque.

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Main body PEEK (Polyether Ether Ketone) (Light Brown)
Heat Resistance Temperature*1 260℃

*1: This is the value for the plastic material.The maximum operating temperature of the product changes with performance conditions such as tightening torque.


FPD production equipment / Semiconductor devices / Printed
circuit board etching devices / Metallic surface treatment
equipment and facilities / Chemical plants / Transformers / Electrical
and electronic equipment / Hot water pumps / Chemical pumps


  • PEEK is a thermoplastic super - engineering plastic with excellent physical and chemical properties.
  • These screws have excellent chemical resistance. They are mostly unaffected by chemicals excluding concentrate sulfuric acid, concentrate nitric acid, and concentrate hydrofluoric acid.
  • These screws have excellent heat resistance, water resistance, and high heat resistance strength.
  • These screws have excellent abrasion, shock, and fatigue resistance.
  • They have high incombustibility that meets V - 0 of UL 94.
  • The properties and precautions of plastic screws⇒Plastic Screws

Precautions for Use

Because a cumulative pitch difference is created when PEEK screws are manufactured, use these screws with nuts. If a nut is not used, use a 20 mm or less fit with female thread.

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