5-in-1 Expander Needles for Electric Tube Expander 1/4" ,3/8,1/2,5/8",3/4"

The precision-machined black alloy flaring insert is packed in a separate portable blue plastic case for convenient stock management and on-site carrying. The hardened metal construction resists compression deformation, matched to a single common copper pipe outer diameter specification for dedicated flare forming tasks.

Core Product Advantages

Separate single-unit packaging prevents surface scratches, rust and loss during storage and field transport, ideal for stocking replacement spares for worn old dies.

Hardened alloy material delivers strong compression resistance, generating round crack-free flare profiles to reduce refrigerant joint leakage risks. The modular plug-in design allows quick swapping into compatible flaring tool fixtures.

Applicable Scenarios

This spare die adapter is used for flare forming and worn-part replacement during residential & commercial air conditioning refrigerant piping construction, household refrigerator line servicing and cold-storage maintenance, built for refrigeration-grade soft copper tubing.

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