IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002) Cobalt Drill Set

Best Cobalt Drill Bit In 2024 Top 10 New Cobalt Drill Bits Review

IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002). 5% Cobalt For Higher Heat & Abrasion Resistance. The seller is cincobingham and is located in Fort Scott, Kansas. TTP HARD DRILL BITS Cobalt Drill Bit sets HARDKIT1-13 1-13mm going up.