Description: 25pcs HSS Micro Twist Drill Bits Set 0.5mm-3.0mm Straight Shank PCB Twist Drill Bits   Specification: Material: High Speed Steel Shank: Straight Shank Outside Diameter: 0.5mm、 0.6mm、 1mm、 1.2mm、 1.5mm、1.8mm、 2mm、 2.3mm、 3mm   Size:                Diameter of Head (A) (mm)         Diameter of Shank (B) (mm)         Length of Blade (C) (mm)         Total Length (D) (mm)          Quantity(pc)               0.5         0.5         6         23         5               0.6         0.6         10         25         5               1         1         15         35         3               1.2         1.2         20         40         2               1.5         1.5         20         40         2               1.8         1.8         20         45         2               2         2         25         45         2               2.3         2.3         25         55         2               3         3         35         60         2         Quantity:25pcs   Features: Micro HSS Twist Drilling Bit Straight Shank Electrical Drill Tool. Twist Drill Metric HSS Drills Micro Drill Bits. Mini Micro HSS Twist Drill Bit Set 0.5mm-3mm Model Craft. Straight Shank Twist Drill Bit. Infinitely adjustable - secure closure every time. Suit for: PCB、 Thin Aluminum\/Iron Sheet、 Thin plank、 Plastic. Suitable for a small object processing.   Package included: 25pcs x HSS Twist Drill Bit   More Details: