Product Description BFL-Solid Carbide Twist Drill 1, Made by world latest 5-AXIS grinder machine from Germany. 2, Short delievery time: We have enough CNC machines import from Germany 3, Our main customers are wholesalers, so if you have a bulk order, we will offer you a favorable price for you. We can make all kinds of drll bits, twist drill bits, centre drills, fixed-point drlls and so on. If you have any needs, please contact us.Outside Diameter(d) Overall Length(L) Flute Length(l) 0.5~0.7 30 6 0.8~0.9 30 8 1.0~1.7 30 10 1.2~1.4 35 12 15~1.7 35 14 1.8~1.9 40 16 2.0~2.4 40 18 2.5~3.0 40 20 3.1~3.9 50 25 4.0~5.0 50 28 5.1~6.0 60 30 6.1~7.0 60 32 7.1~11 70 38 11.1~12 70 38 12.1~14 80 40 16 90 45
