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Carbon-carbon screws are designed for lightweight precision fastening in confined spaces. Available sizes cover M3 to M16 with optional flat head, countersunk head, round head and other styles. Made of the same C/C composite as carbon-carbon bolts, they usually feature slender profiles for fastening thin C-C partitions, graphite insulation boards and compact thermal field modules.
Carbon-carbon screws have outstanding chemical stability against molten salt and acidic atmosphere with low outgassing rate under vacuum. They are electrically conductive, so they are also adopted for some electric heating thermal field components. Ordinary graphite screws are brittle and easy to break under force. With carbon fiber reinforcement, C-C screws achieve greatly improved shear resistance and impact resistance.
Buyers from photovoltaic, semiconductor, high-temperature metallurgical tooling and laboratory high-temperature equipment sectors often order carbon-carbon screws, nuts and bolts as a set. With 22 years of experience in graphite and C-C product machining, Jiecheng Graphite also provides anti-oxidation coating service to extend service life under air conditions.
