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Amazon.co.jp: Tool M42 Cobalt Drill Bit Set, HSS-CO Drill Set 0.5-10mm, Hardened Steel for Drilling Into Cast Iron & Stainless Steel-0.6mm 10pcs : DIY, Tools & Garden
Amazon.co.jp: M11 x 0.75mm HSS Right Hand High Speed Steel Machine Tap Pitch Thread Metric High Cutting Tool Travel : Industrial & Scientific
Amazon.co.jp: luosh 10pcs Drill Bit Set, 3.2mm M35 Triangle Shank HSS-Co Cobalt Multi-Function Twist Drill Head Drill Spiral Drill Bit : DIY, Tools & Garden
DRILLFORCE (10 Pcs) 1/4in. x 4 in. HSS Cobalt Drill Bits, Jobber Length, Straight Shank, Metal Drill,Ideal for Drilling On Mild Steel, Copper, Aluminum, Zinc Alloy Etc. - - Amazon.com