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Bottle cap preform mold parts
ПОДРОБНОСТИ ПРОДУКТА
Bottle preform cap mold components: The thread core is made of imported ASSAB steel with hardening treatment, while the thread sleeve is made of high-hardness aluminum bronze. The fitting clearance and verticality are controlled within 0.01 mm, with a surface roughness of Ra 0.6. The thread core and thread sleeve are designed with equal height for consistent interchangeability.