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- Inserts for TMS • Thread Milling • BSW Thread
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Inserts for TMS • Thread Milling • BSW Thread
Indexable Inserts • Thread Profiles
Features and benefits
- British Standard Whitworth Thread Style.
STN Series
Materials | Brinell | surface speeds | indexable inserts | |
steel | HB | KC610M | KC635M | feed fz (IPT) |
P1 | 125 | 325–675 | 290–590 | .002–.008 |
P2 | 180 | 290–550 | 290–520 | .002–.008 |
P3 | 225 | 200–425 | 225–375 | .002–.008 |
P4 | 250 | 250–490 | 250–500 | .002–.008 |
P5 | 275 | 250–425 | 250–500 | .002–.006 |
P6 | 325 | 225–350 | 200–325 | .002–.004 |
stainless steel | ||||
M1 | 180 | 325–550 | 375–590 | .002–.004 |
M2 | 250 | 225–450 | 325–450 | .002–.004 |
M3 | 330 | 225–375 | 325–375 | .002–.004 |
cast iron | ||||
K1 | 180 | 200–425 | 325–450 | .001–.003 |
K2 | 220 | 200–390 | 250–325 | .002–.006 |
K3 | 260 | 160–290 | 200–275 | .002–.004 |
non-ferrous | ||||
N1 | 60–100 | 325–820 | – | .002–.010 |
high-temp alloys | ||||
S1 | 200 | 65–140 | 65–130 | .002–.004 |
S2 | 250 | 65–90 | 65–90 | .001–.002 |
S3 | 280 | 50–65 | 50–65 | .001–.002 |
S4 | 350 | 30–50 | 30–50 | .001–.002 |
hardened steel | ||||
H1 | 55HRc | 65–140 | 65–140 | .0004–.001 |