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Endmill
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B302 series For general purpose ㆍ Standard
- 2 FLUTE, BALL NOSE LONG LENGTH
-
- 2 FLUTE, BALL NOSE LONG LENGTH
| EDP. No. | D | R | L1 | L2 | D2 |
|---|---|---|---|---|---|
| B302010 | 1 | 0.5 | 3 | 50 | 6 |
| B302015 | 1.5 | 0.75 | 4 | 50 | 6 |
| B302020 | 2 | 1 | 6 | 60 | 6 |
| B302025 | 2.5 | 1.25 | 6 | 60 | 6 |
| B302030 | 3 | 1.5 | 8 | 70 | 6 |
| B302035 | 3.5 | 1.75 | 8 | 70 | 6 |
| B302040 | 4 | 2 | 8 | 70 | 6 |
| B302045 | 4.5 | 2.25 | 10 | 70 | 6 |
| B302050 | 5 | 2.5 | 12 | 80 | 6 |
| B302055 | 5.5 | 2.75 | 12 | 80 | 6 |
| B302060 | 6 | 3 | 12 | 90 | 8 |
| B302065 | 6.5 | 3.25 | 12 | 90 | 8 |
| B302070 | 7 | 3.5 | 20 | 90 | 8 |
| B302080 | 8 | 4 | 20 | 100 | 8 |
| B302090 | 9 | 4.5 | 25 | 100 | 10 |
| B302100 | 10 | 5 | 25 | 100 | 10 |
| B302110 | 11 | 5.5 | 30 | 110 | 12 |
| B302120 | 12 | 6 | 30 | 110 | 12 |
| B302130 | 13 | 6.5 | 35 | 120 | 14 |
| B302140 | 14 | 7 | 35 | 120 | 14 |
| B302150 | 15 | 7.5 | 40 | 140 | 16 |
| B302160 | 16 | 8 | 40 | 140 | 16 |
| B302180 | 18 | 9 | 45 | 150 | 18 |
| B302200 | 20 | 10 | 45 | 160 | 20 |
| B302250 | 25 | 12.5 | 50 | 180 | 25 |
Application
| CARBON STEELS (S45C, S55C...) ~ HB225 |
ALLOY STEELS (SCM, SK...) HB225~325 |
PREHARDENED STEELS (NAK...) HRc30~50 | HARDENED STEELS | Copper | GRAPHITE | Cast Iron FCD400. 500~ |
Aluminum | Stainless Steel | |
|---|---|---|---|---|---|---|---|---|---|
| ~HRc55 SKD61 | ~HRc55 SKD11 | ||||||||
| ○ | ○ | ||||||||
Tolerance
Out Diameter Tolerance |
1 and more 3 and less | More than 3 6 and less |
More than 6 10 and less |
More than 10 18 and less |
More than 18 30 and less |
|---|---|---|---|---|---|
| Flute(h10) | 0 -40 |
0 -48 |
0 -58 |
0 -70 |
0 -84 |
| Shank(h6) | 0 -6 |
0 -8 |
0 -9 |
0 -11 |
0 -13 |