MaterialHSS Cobalt, Co5% HSS, M35. Jobber length twist spiral drill bits. Model13/64" Cobalt Twist Drill Bits. Marterial: HSSCO High speed M35 cobalt steel. TypeTwist Drill Bits. 20x Drill bits. Straight round shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
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