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![Internal Cooling Twist Drill]()
Internal Cooling Twist DrillThe drills with internal cooling system should be used also with external cooling. Drill speed should be controlled from 600rpm(thick drills) up to 1000rpm(for fine drills). Cutting efficiency is... -
![Gun Drill & Deep Hole Drill]()
Gun Drill & Deep Hole DrillA gun drill is mainly composed of a drill head, a drill rod and a drll handle. It has the following advantages:
1. High processing accuracy and good economic performance;
2. High... -
![Double-head Center Drill]()
Double-head Center DrillDouble-head center drills (also known as combined drills and countersinks) are short, double-ended tools used to create precise conical holes in the ends of workpieces. This process allows the... -
![Twist Drill]()
Twist DrillThe twist drill is the most common type of drill bit used for drilling holes in wood, metal, and plastic. It features a cylindrical shaft with helical or spiral flutes that wrap around the body....
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