Copper Graphite NPT Pipe Tapping Electrodes   Product Details Add / Order POCO EDM C-3 COPPER GRAPHITE NPT PIPE TAPPING ELECTRODE 1/16-27 You must be logged in to order this item and view prices. Qty: (16 Available) POCO EDM C-3 COPPER GRAPHITE NPT PIPE TAPPING ELECTRODE 1/2-14 You must be logged in to order this item and view prices. Qty: Usually ships within 5-7 days POCO EDM C-3 COPPER GRAPHITE NPT PIPE TAPPING ELECTRODE 1/4-18 You must be logged in to order this item and view prices. Qty: (17 Available) POCO EDM C-3 COPPER GRAPHITE NPT PIPE TAPPING ELECTRODE 1/8-27 You must be logged in to order this item and view prices. Qty: (41 Available) POCO EDM C-3 COPPER GRAPHITE NPT PIPE TAPPING ELECTRODE 3/8-18 You must be logged in to order this item and view prices. Qty: (4 Available)