High Speed Steel Ti-coated Straight Shank Twist Drill for PCB Drilling - 50PCSMain Features:? Tiny HSS drill bits, offer the best heat resistance and good performance for drilling? Good toughness, wear resistance, strong drilling capacity? Orientation department has orientation and ground effects? Spiral chip Groove to guide crumbs Material: High Speed SteelSpecial function: PCB DrillingType: BitColor: BrownPackage weight: 0.083 kgPackage size (L x W x H): 16.30 x 12.60 x 0.50 cm / 6.42 x 4.96 x 0.2 inchesPackage Contents: 10 x 1mm Twist Drill Bit, 10 x 1.5mm Twist Drill Bit, 10 x 2mm Twist Drill Bit, 10 x 2.5mm Twist Drill Bit, 10 x 3mm Twist Drill Bit Product Safety Disclaimer:We do not accept any responsibility or liability for misuse of this or any other product. All our products are extensively tested to comply with rigorous and strict QC standards. For certain products (e.g. toys, knives, etc.), we recommend proper supervision as we cannot be held liable for misuse or accidents.