Pay in 4 interest-free payments of $4.29 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
3 D4 16 50 4T 5 2R0
unequal spiral angle
(D) Cuttlng
the punch will rub with the workpiece until the speed is synchronized
BB Micro Drill (0.15mm-2.9mm) D=3mm Color:Coated-D3x38L 3 D4 16 50 4TBB Mirco Drill 1PCS The whole bit is made of Solid Carbide, which makes the bit more durable. But it also makes it easier to break, so it's forbidden to use electric hand drills and unstable machining environments. Application Steel, stainless steel, cast iron, die steel, circuit board,acrylic and so on. Diameter of shank : 3mm or 4mm Recommended Cutting Conditions *Reference parameters are used as the general standard and need to be adjusted