50/60Pcs Set 1- 3/3.5mm Titanium Coated High Speed Steel Drill Bit Manual Twist Drill Bits Round Shank Drill Repair Tools

[Features]: 1. High-speed steel, high hardness, good toughness. 2. Titanium surface treatment, corrosion durable. 3. Product spiral shape, faster chip. 4. Hss Drill Bit Set For Wood, Plastic And Aluminum. 5. Ideal For DIY, Home And General Building/Engineering Using. [Material]: HSS 4241. [Surface treatment]: Titanium OR Nitriding. [Handle]: Round Straight Shank. [Uses]: Suitable for drilling holes in the angle iron, wood, plastic, aluminum and other materials. [Size]: A(1-3mm): 1mm*10Pcs, 1.5mm*10Pcs, 2mm*10Pcs, 2.5mm*10Pcs, 3mm*10Pcs. B(1-3.5mm): 1mm*10Pcs, 1.5mm*10Pcs, 2mm*10Pcs, 2.5mm*10Pcs, 3mm*10Pcs, 3.5mm*10Pcs. C(1-5mm): 1mm*10Pcs, 2mm*10Pcs, 3mm*10Pcs, 4mm*10Pcs, 5mm*10Pcs. D(1.5-10mm):1.5mm*16Pcs,2mm*16Pcs,2.5mm*10Pcs,3mm*10Pcs,3.2mm*10Pcs,3.5mm*8Pcs,4mm*8Pcs,4.5mm*3Pcs,5mm*3Pcs,5.5mm*2Pcs,6mm*2Pcs,6.5mm*2Pcs,8mm*2Pcs,10mm*2Pcs.