Function: When the air conditioner is installed, expand the copper pipe to link the two copper pipes to each other. Material: bearing steel, durable, not easy to break, wear-resistant. Packing: 6-piece set. Use: simple to use, very suitable for installers. Specifications: Material: Alloy Steel Finish Type: Blackening Shank Type: Hex Size: 6pcs different sizes include 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1/4" hexagon handle. How to use: 1. Choose the right drill bit according to the inner diameter of the pipe and the process requirements 2. Insert the drill bit into the electric drill interface and clamp it tightly 3. Tighten until the expander drill bit cap exits to complete 4. It is recommended to fix the pipe fittings and then operate more accurately and efficiently Package Included: 6 x Expander Drill Bit Detail Pictures:
