Page 6 - HOLE MAKING CATALOG p185-310
P. 6
DEEP DSRIOLILIDNCGA-RBITDAESDYSRITLELMSIndexable Trepanning Heads SELUESCETRIOGNUGIDUEIDE
Thread type
Applications STS (Single Tube System)
DSTR
EC IC
Drill head
Drill diameter (mm) ø100 - 328 ø100 - 305.99
External 4-start thread
3 -
Internal single-start thread
- 3
Hole tolerance
IT10 IT10
Surface finish Ra (μm) 2 2
Machine Deep hole drilling machines 3 3
Lathes - -
- -
Machining centers M/C
••• •••
P Steel ••• •••
••• •••
Workpiece material M Stainless ••• •••
•• ••
K Cast iron •• ••
N Non-ferrous TPMX TPMX
255 258
S Superalloys
H Hard materials (≥40HRC)
Insert type
•••(Excellent) Page
•(Standard)
190 ISCAR
