Challenge Paper Drill Bit 5/16" (8mm) Diameter x 2" CHT PTFE Coated
$40.00
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Drill Bit For Challenge Diameter: 5/16" Length: 2” CHT stands for chemicals, heat and time. These drill bits are coated in PTFE to prevent buildup and increases the life of the bit. Works great for coated stocks. CHT: PTFE coated “CHT” bits last longer and run cooler. They cut through tag board, recycled papers and heavy coated stocks without gumming up.
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