• Special Screws
  • Chemical Resistance


Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK GF30 - Inch Thread

Plastic Screw PEEK GF30 / Cross Recessed Pan Head Machine Screw / Inch Thread

  • Chemical-proof
  • High strength

Dimension Drawing

SPEG-P(INCH)Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK GF30 - Inch Thread寸法図




Unit : inch

Part Number ♯Nominal L D1 L1 Tension Rupture
Load (N)*1
Qty per Pack Mass
SPEG-#4-40-7/8-P No.4-40UNC 7/8 0.219 0.08 434 0.23 10 0.17 CAD RFQ

*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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Main Body PEEK GF30 (PEEK Containing Glass Fiber) (Light Brown)
(Glass Fiber 30%)
Heat Resistance Temperature*1 260°C

*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


  • Cross-recessed pan head machine screws made of PEEK containing 30% glass fiber. The tensile strength is approximately 1.7 times that of ordinary PEEK.
  • 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.

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SPEG-P(INCH)Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK GF30 - Inch Thread

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