Dalian Dahui Machine Tool Co., Ltd. - Single Column ...
Steel Step Drill Bits For Metal Drilling HSS roll 4-22mm step drill bits 4-12mm 4-20mm 4-22mm 4-32mm ... DIN338 flexible drill bit extensions steel drill bit bit rock drilling. 0.11 - 0.15 Set. 10 ... 10 Sets (Min. Order) DIN338 Type N HSS straight shank twist drill for hardened steel twist drill OEM 25pcs Din 338 HSS 4241 Drill Bits Set ...
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