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
What spindle speed should be used whe...
As a guideline, reduce the spindle speed to 500 rpm or less when inserting a long drill (whether carbide or HSS) into a guide hole. For very long drills, suc... 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
This is a drill with a flat tip, and the ADF and ADFO series are applicable. A flat tip shape is one in which the point angle of the drill is 180 degrees an... 詳細表示
What is a drill with oil holes? inte...
What is a drill with oil holes? internal coolant supply ？ A drill with an oil hole is a drill that has a hole (= oil hole) through the inside of the drill ... 詳細表示
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
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 causes hole enlargement during d...
Hole enlargement occurs due to tool runout or chattering during machining. In addition, runout at the time of tool installation affects both hole diameter a... 詳細表示
Is there a tool to remove a broken tap?
Yes. Please use the “EX-H-DRL” Tap Removal Drill (also known as the Hard Drill). This drill is designed to crush the core of the broken tap and remove it. M... 詳細表示
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