Shin-IL Machinery
Shin-IL Machinery's BTA formation indexable insert type gundrills are mainly used for large hole drilling (Φ32-50mm). It can be widely used in all kinds of high-pressure internal coolant ejection CNC machines. Usually, it’s three blades and two guides, or three blades and four guides, etc. It’s specially designed and customized according to the requirements of different workpieces.
Product Features
- Faster drilling feed rate : maximum feed 0.35mm/rev. High productivity.
- Excellent machining surface quality : Ra=0.6-2.0 [um]
- Cylindricality of machining hole : 50-80 [um]
- High precision : IT10
- Maximum drilling depth : L=5xD & maximum drilling depth 800mm
- No need for extra equipment
- Only the conventional coolant oil required
- Exchangeable guide pads, double head useful
- For the machining of steel and cast iron