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LPDA & SPDA & NPDA<br />
Features of SPDA & NPDA<br />
Features<br />
SPDA<br />
Rigid Drill<br />
Stronger drill shank and excellent design optimize the performance<br />
of hole making<br />
Abrasive wear resistance of shank with machined chip has been<br />
improved due to the special surface treatment<br />
It represents good performance even in difficult cutting condition<br />
Specially designed flute<br />
Excellent chip evacuation due to the specially designed flute<br />
guarantees long durability<br />
NPDA<br />
Economical merits<br />
Reducing of tool cost by using 4 cutting edges<br />
Using same insert at both positions of insert pocket of drill<br />
Recommendation of chip breaker & grade as per workpiece<br />
Workpiece<br />
Alloy Steel<br />
Carbon Steel<br />
Cast iron<br />
Stainless steel<br />
Aluminum<br />
Soft steel<br />
Insert<br />
DM<br />
DF<br />
DM<br />
DS, DF<br />
DA<br />
DR<br />
Grade<br />
PC3525<br />
PC9530<br />
PC6510<br />
PC9530<br />
H01<br />
PC3525<br />
SPDA, NPDA<br />
SPDA (Superior Piercing Drill)<br />
NPDA (New Piercing Drill)<br />
Available diameter : 0.05 ~ 0.875<br />
Available diameter : 0.937 ~ 2.375<br />
3
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