Cylinder head bolts is a core connection component in internal combustion engines. Precisely controlled preload distribution ensures the integrity of the cylinder sealing system. Special anti-relaxation treatment maintains a constant and stable clamping force, while optimized rod flexibility compensates for thermal expansion differences.
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PA66 Slotted cheese head screw has excellent wear resistance and oil resistance, and it is self-extinguishing (UL94V-2). It is not resistant to strong acids and has high water absorption.
M Size: M2-M12
peek plastic material: Polyamide66（PA66）
product type: Cylinder head bolts
color: Natural/Black/Other Colors(Customizable)
PEEK Slotted cylindrical head bolts are a kind of semi-crystalline special engineering plastic with superb performance; they have strong chemical resistance, excellent heat resistance, wear resistance, flame retardancy and hydrolysis resistance.
M Size: M2-M10
peek plastic material: Polyetheretherketone (PEEK)
Thread Type:Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PFA Slotted cheese head screw is known as the “King of Plastics”. It is corrosion-resistant and electrically insulating. It is not affected by temperature and can be used for a long time at -80~260℃.
M Size: M4-M10
peek plastic material:Polyvinylidenefluoride(PFA)
product type: Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PP Slotted cheese head screw has a specific gravity of 0.9, which is the lightest among plastics; it has excellent mechanical properties, good chemical stability; excellent electrical properties, and is resistant to high-frequency electrical insulation.
M Size: M2-M12
peek plastic material: PP Polypropylene
product type: Cylinder head bolts
color: Natural/Black/Other Colors(Customizable)
PPS Slotted cheese head screw are made of a hard, highly rigid material with excellent heat resistance, chemical resistance, and dimensional stability.
M Size: M2-M10
peek plastic material: Polyetherether ketone(PPS)
product type: Cylinder head bolts
color: Natural/Black/Other Colors(Customizable)
PTFE Slotted cheese head screw has excellent chemical stability, corrosion resistance, heat resistance and cold resistance, flame retardant grade UL94 V-0, and can be used for a long time at -190~260℃.
M Size: M3-M12
peek plastic material: Polytetra fluoroe thylene（PTFE ）
product Type: Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PVDF Slotted cheese head screw is a polymer engineering plastic with excellent chemical and weather resistance, and excellent UV resistance and aging resistance.
M Size: M2-M10
peek plastic material: Polyvinylidene fluoride(PVDF)
product Type: Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PTFE Slotted cheese head screw has excellent chemical stability, corrosion resistance, heat resistance and cold resistance, flame retardant grade UL94 V-0, and can be used for a long time at -190~260℃.
M Size: M3-M12
peek plastic material: Polytetra fluoroe thylene（PTFE ）
product Type: Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PFA Slotted cheese head screw is known as the “King of Plastics”. It is corrosion-resistant and electrically insulating. It is not affected by temperature and can be used for a long time at -80~260℃.
M Size: M4-M10
peek plastic material:Polyvinylidenefluoride(PFA)
product type: Cylinder head bolts
Finish: Natural/Black/Other Colors(Customizable)
PA66 Flat washer has excellent wear resistance and oil resistance, and it is self-extinguishing (UL94V-2). It is not resistant to strong acids and has high water absorption.
M Size: M3-M30
peek plastic material: Polyamide66（PA66）
product type: Washers
color: Natural/Black/Other Colors(Customizable)
PP Slotted cheese head screw has a specific gravity of 0.9, which is the lightest among plastics; it has excellent mechanical properties, good chemical stability; excellent electrical properties, and is resistant to high-frequency electrical insulation.
M Size: M2-M12
peek plastic material: PP Polypropylene
product type: Cylinder head bolts
color: Natural/Black/Other Colors(Customizable)