• Fin die stretching bushings are manufactured from high-performance powder high-speed steel, such as HAP40 and ASP30, or hard alloy YG8, ensuring a long service life and high manufacturing accuracy.
• These bushings are crucial for punching aluminum foil, copper foil, and stainless steel in fin dies, playing an important role in the production of fins for air conditioning, refrigeration, heat exchangers, surface coolers, evaporators, and condensers.
• We offer a variety of spare parts, including punching bushings, flanging bushings, and stretching bushings, for high-speed fin production lines across multiple brands.
• The High-Speed Steel (HSS) Flare Bushing is a precision-engineered component designed for demanding metal-forming and machining applications.
• Manufactured from premium high-speed tool steel, this bushing combines exceptional wear resistance, thermal stability, and durability, making it ideal for high-stress operations in progressive dies, stamping, and precision tooling systems.

5mm, 1/4", 7mm, 5/16", 8.9mm, 3/8", 12.7mm, 1/2", 14.5mm, 5/8", customized

Guangzhou Runshi Mold Co., Ltd. focuses on the precision machinery manufacturing industry. Since its establishment, the company has mainly provided equipment molds, vulnerable parts, and cutting tools for air conditioning and heat exchanger manufacturing enterprises. It also provides ceramic parts and tungsten steel parts for industries such as new energy, fluid control, medical devices, semiconductor, aerospace, photovoltaics, lithium batteries, petrochemicals, high-precision automation equipment, electronic communication, automobiles and so on.

If you have another question, please feel free to contact us.