Large HSS Steel Step Cone Drill Titanium Bit Set, Perfect Step Drill Bits suitable for drill holes in various material, High-Speed Bit Set
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【Widely Used】Perfect step drill bits suitable for drill holes in various material within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards).
【Material】HSS combined with a titanium coating. More capable and durable.
【Easy Drilling】Two-Flute design for smoother cutting. High step design let you feel the stop and never drill bigger in mistake
【Package Included】 3-Piece HSS groove step drill bit (4-12/ 4-20/ 4-32mm ). 1/4" hex shaft drives are suitable for all kinds of for home DIY power drills.
【Material】HSS combined with a titanium coating. More capable and durable.
【Easy Drilling】Two-Flute design for smoother cutting. High step design let you feel the stop and never drill bigger in mistake
【Package Included】 3-Piece HSS groove step drill bit (4-12/ 4-20/ 4-32mm ). 1/4" hex shaft drives are suitable for all kinds of for home DIY power drills.