How to calculate the Gun Drills Length?
Let Gun Drills suppliers tell you How to calculate the Gun Drills length as below: 1.The nominal cutting blade diameter can be subdivided to 0.001mm according to customer needs 2. Please mark the order according to the following standard D(Drill Bit Diameter)xL(Overall Length)- Driver Number L(Overall Length) D=drill bit diameter W=drilling depth LB=width of supporting …