Subland stepped drill bit HSS DIN 8376 medium 180°

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Subland stepped drill bit HSS DIN 8376 medium 180°

With straight shank for the production of through holes according to ISO 273, while simultaneously producing countersinks (180°) in form H, J, H3, J3 and K3 according to DIN 74 part 2. The cutting speed depends on the large diameter, the feed on the small diameter.