As the leading ship supplier in Navassa Island, Ship Window Latch Handle Springs, we specialize in delivering high-quality Engine Head Bolt Washers with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Engine head bolt washers are small, flat discs placed under bolt heads to distribute load and prevent damage to engine surfaces. They ensure proper clamping force and maintain seal integrity in engine assembly. These washers are critical for the durability and performance of engine systems.
Engine Head Bolt Washers:
Size: M6 to M16 (common range)
Grade: 8.8, 10.9, or 12.9 (ISO metric grades)
Material: Carbon steel, alloy steel, or stainless steel
Hardness: 22-32 HRC (varies by grade)
Thickness: 1.5-3 mm (depending on size)
Surface Treatment: Zinc plating, phosphate coating, or black oxide
Engine Systems:
Viscosity: 5W-30, 10W-40, or 15W-50 (common engine oil grades)
Buoyancy: N/A (not applicable for engine systems)
Material: Aluminum, cast iron, or steel (engine block/head)
Compression Ratio: 8:1 to 12:1 (typical for gasoline engines)
Coolant Type: Ethylene glycol or propylene glycol-based
Operating Temperature: -30°C to 120°C (coolant range)
Engine Head Bolt Washers and Engine Systems may comply with maritime standards such as ISO, ASTM, or specific classification society requirements (e.g., ABS, DNV, LR). Verify with the manufacturer for exact certifications.
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