What is a back taper?

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 a shank with a tang?

What is a shank with a tang? It is a shank with two flat sides at the end of the shank. The tang is mainly used for detenting. For our drills, only ... 詳細表示

Drilling holes in titanium materials ...

It is not possible to select a suitable tool based on the information of titanium material alone. There are titanium materials with different properti... 詳細表示

What does drill feed rate (mm/rev) mean?

It indicates how many millimeters the drill advances per one revolution. In OSG’s drill catalog, recommended feed rates (mm/rev) are listed as ranges for ma... 詳細表示

What is step feeding? G83

What is step feeding? G83 Step feeding is the action of stopping the hole drilling in the middle, taking the drill out of the hole once, and then drilli... 詳細表示

How many corners can I use for insert...

The inserts of PD drills (P2D, P3D, P4D, P5D) can be used in 4 corners, and the center cutting edge and peripheral cutting edge are the same chip , so it is ... 詳細表示

What is flute length ?

Flute length is the length from the tip of the drill to the end of the flute. The drill must have space to evacuate the chips that arise during machining. M... 詳細表示

What is the drill step increment for ...

External Lubrication; ・For vertical machining centers: No step drilling up to 3D. Beyond 3D, use step increments of 1D to 2D as a guideline. (D = drill dia... 詳細表示

Even though I perform centering, the ...

When the drill starts contacting the workpiece from its shoulder, you cannot achieve accurate hole positioning. Issue Example ・Using a starting drill with ... 詳細表示

Center Drill

A center drill is a tool for machining center holes, which is required when a tailstock mounted on a tailstock is used mainly on a lathe to support the c... 詳細表示