Page 157 - Threading_Handbook
P. 157
SOLIDTHREAD – Designation Code Key
MTEC B 10 10 D 24 1.0 ISO IC908
1 2 3 4 5 6 7 8
MTEC – Mill Thread Endmill Carbide THREAD MILLING
1 Endmill type
— Without coolant channel
B — Central coolant channel
Z — Coolant holes in flutes
Q — Central coolant hole and reduced neck diameter
S — For small internal threads for general use
SH — For small internal threads in hard materials
I — Single-point design of cutting head
2 Shank diameter (DCONMS)
DCONMS
3 Cutting diameter (Dc)
DC
4 No. of flutes
C — 3 flutes
D — 4 flutes
E — 5 flutes
F — 6 flutes
5 Length of thread (APMX)
APMX
6 Thread pitch
Value by number
• For metric threading in mm
• For inch threading in TPI
157