Hole Diameter: 6.9mm - BB 0.3~2.02mm Micro Drill Solid Carbide Bit Mini CNC Hole Making 3D Shank Diameter 4mm D4 Metal Steel Plastic 1PCS
Type: Twist Drill Bit
Hign-concerned Chemical: None
Origin: Mainland China
length: 50
Model Number: Micro drill
Material: Carbide
Use: Metal Drilling
is_customized: Yes
Diameter of shank: 4mm
Packing: 1pcs
Diameter: 0.3mm to 2.02mm
BB Mirco Drill-BB2055(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 :4mm
Recommended Cutting Conditions
*Reference parameters are used as the general standard and need to be adjusted according to the Drilling environment.
*When abnormal noise occurs to the workpiece and equipment, please check the situation and change the parameters.
*When the highest speed does not reach the reference standard, please use the highest speed of your equipment for machining, but note that the feed speed also needs to be adjusted proportionally.
*Please fully provide cutting cooling water to the machining position and drilling edge.
*Table parameters are applicable to machining depth smaller than 3xDc. If the depth is greater than 3xDc, reduce the speed by 20%.
*According to the material and depth, select the grading machining method, please return to the top of the hole when grading feed. The grading amount is about 0.2 ~ 1Dc, when the diameter is less than 1mm, 0.1~0.2Dc.
*The beat of the drill bit should be less than 0.02mm.
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