What is point angle Effects of Drill...
What is point angle Effects of Drill point angle point angle is the angle of the tip of the drill. In general, 118° is the standard for high-speed steel, a... 詳細表示
What is a back taper? The outer diameter of the drill is tapered from the tip to the shank, and it is attached to avoid friction with the inner surface ... 詳細表示
What is flute length ? Flute length is the length from the tip of the drill to the end of the groove. The drill must have space to drain the chips that ari... 詳細表示
The effect of the twist angle of the ...
What is the effect of the torsion angle of a drill? As for the effect of the helix angle, the standard twist is 30°. For weak twisting, the sharpness i... 詳細表示
What is the difference between a thre...
What is the difference between a three-blade drill and a two-blade drill? First of all, what do you want to improve from the two-blade drill? We want to ai... 詳細表示
Do you need to Pilot hole drill for l...
Do you need to Pilot hole for large drilling? If you have enough mechanical horsepower, you don't need Pilot hole . It is recommended to drill holes from a... 詳細表示
How deep can a hole be drilled? How m...
How deep can a hole be drilled? How much flute length do I need? Since the drill digs while releasing chips, it is necessary to constantly drain chips f... 詳細表示
What is the PD Series of Indexable Dr...
PD is a high-efficiency indexable drill with oil holes that pursues chip discharge. (Indexable: chip interchangeable, meaning throwaway) The high chip evac... 詳細表示
How many corners can I use for insert...
How many corners can I use for inserts for PD drills (P2D, P3D, P4D, P5D)? The inserts of PD drills (P2D, P3D, P4D, P5D) can be used in 4 corners, and the c... 詳細表示
How many revolutions does a long dril...
What is the rotation speed when inserting a long drill into the guide hole? As a guideline, reduce the rotation speed to 500 rpm or less when inserting a lo... 詳細表示
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