• Special Screws
  • Inch Screws


Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread

  • Heat-resistance
  • Chemical-proof

Dimension Drawing

SPE-P(INCH)Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK - Inch Thread寸法図

Unit : inch

Part Number ♯Nominal L D1 L1 Tension Rupture
Load (N)*1
Qty per Pack Mass
SPE-1/4-20-3/8-P 1/4-20UNC 3/8 0.492 0.175 1742 2.04 10 1.4 46.14 CAD Cart

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

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Related Services


Main Body PEEK / Light Brown
Heat Resistance Temperature*1 260℃

*1: This is the value for the resin material. The 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


  • Inch screw type.
  • PEEK is a thermoplastic super engineering plastic superior in physical and chemical properties.
  • Excellent chemical resistance. It remains almost unaffected by chemicals other than concentrated sulfuric acid, concentrated nitric acid, and concentrated hydrofluoric acid.
  • With excellent heat resistance and water resistance, it retains strength at high temperatures.
  • It features outstanding resistance to wear, shock, and fatigue.
  • It also has high flame retardance which clears the UL 94 V-0 standard.
  • Plastic screw properties and precautions for use ⇒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 (approx. 0.79") or less fit with female thread.

Related Products

PEEK hex nuts (inch thread) SPE-N(INCH) are available.

SPE-P(INCH)Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK - Inch Thread

Product List

Click here to see SPE-1/4-20

Click here to see SPE-P(INCH)

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