Mini Twist Drill Bits High Speed Steel Hand Drill Bits Rotary Tools 3.3mm Bit with Straight Shank for Wood Plastic and Many Other DIY Projects 10 Pcs

【DIMENSION】-Bit Diameter:3.3 mm / 0.13 inch;Shank Diameter:3.3 mm / 0.13 inch;Flute Type: Spiral;Shank Type: Round Straight Shanks 【MATERIAL】-The spiral milling cutter is made of high speed steel that is construction provides ultimate durability;Heat Treatment can increase the hardness and corrosion resistant of twist drill bit