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Twist Drill Bits DeWalt DT4939 HSS-E Cobalt 8.5 mm — pack of 10
Summary description:
Set of 10 DeWalt DT4939 HSS-E cobalt twist drill bits with an 8.5 mm diameter. Designed for drilling in hardened steels and metal materials where cobalt alloyed high-speed steel (HSS-E) provides increased heat resistance and wear life. Suitable for use in hand drills and drill presses for metalworking, maintenance, and industrial fabrication tasks.