Page 262 - THREADING CATALOG
P. 262
USER GUIDE
THREAD MILLING SOLIDTHREAD – Designation Code Key IC908
10
D
24
MTEC
B
10
1.0
ISO
8
1
7
2
4
5
6
3
MTEC – mill thread endmill carbide
1 Endmill Type
value by number
• for metric threading in mm
B
— central coolant channel
• for inch threading in TPI
Z — without coolant channel 6 Thread Pitch
— coolant holes in flutes
Q — central coolant hole and reduced neck diameter 7 Thread Standard
S — for small internal threads for general use
SH — for small internal threads in hard materials ISO — ISO metric
I — single-point design of cutting head UN — american UN
W — whitworth
2 Shank Diameter (DCONMS) BSPT — british standard pipe thread
NPT — american national pipe thread
DCONMS
8 Grade
3 Cutting Diameter (Dc) IC908, IC903, IC902
Main Advantages:
DC
• In most of cases complete thread length by one axial pass.
• Reduce cutting time due to large number of
4 No. of Flutes
flutes relative to the endmill diameter.
C — 3 flutes • Thread relief in the bottom of a blind hole is not required.
D — 4 flutes • Same endmill used for right and left-hand thread.
E — 5 flutes • Excellent surface finish.
F — 6 flutes • Same endmill can be used for variety of materials.
5 Length of Thread (APMX)
APMX
ISCAR
260
