


JEM # WAL-89319718931971
M6420-042-B16-04-02 high-feed mill, 31.6 mm diameter, 16 mm arbor, 20°, 4 teethM6420-042-B16-04-02Ø 31.6 mmArbor 16 mm4 teeth20°EN1106
SpecificationsFrom Walter's product data
- Type
- High-feed mill
- Cutting Ø
- 31.6 mm
- 1.244"
- Mount
- Arbor 16 mm
- Shell mill (arbor)
- Approach angle
- 20°
- Teeth
- 4
- Max depth of cut
- 2 mm
- Insert seat
- EN1106
- ENMX1106
- Overall length
- 40 mm
- Max RPM
- 14,200
- Coolant
- Not listed
- Walter family
- M6420
Metric 16 mm arbor: adapters for it are quoted at the counter. Call the counter for one.
Inserts, mounting and other sizes

Inserts for M6420-042-B16-04-029 EN1106 inserts: pick a grade, chipbreaker and radius. Sold in packs.
All with filters →Grade
ISO
| Part no. | Designation | Grade | Chipbreaker | Radius | ISO | Operation | Stock | Price | Add |
|---|---|---|---|---|---|---|---|---|---|
8931907 | ENMX110616R-M5 | WKP35G | — | .063" | P K | — | Ships from Walter | $44.60 | |
8931933 | ENMX110616R-R5 | WKP35G | — | .063" | P K | — | Ships from Walter | $44.60 | |
8931931 | ENMX110616R-M5 | WPP35G | — | .063" | P K | — | Ships from Walter | $39.10 | |
8931935 | ENMX110616R-R5 | WPP35G | — | .063" | P K | — | Ships from Walter | $39.10 | |
8931904 | ENMX110616R-L5 | WSM45X | — | .063" | M S | — | Ships from Walter | $58.80 | |
8931908 | ENMX110616R-M5 | WSM45X | — | .063" | M S | — | Ships from Walter | $58.80 | |
8931903 | ENMX110616R-L5 | WSP45G | — | .063" | P M S | — | Ships from Walter | $39.10 | |
8931906 | ENMX110616R-M5 | WSP45G | — | .063" | P M S | — | Ships from Walter | $39.10 | |
8931932 | ENMX110616R-R5 | WSP45G | — | .063" | P M S | — | Ships from Walter | $39.10 |

M6420, every size6 bodies · High-feed mill
Mount
| Part no. | Designation | Ø | Mount | Teeth | Max depth | Stock | Price | Add |
|---|---|---|---|---|---|---|---|---|
8931969 | M6420-040-B16-04-02 | 29.6 mm | Arbor 16 mm | 4 | 2 mm | Ships from Walter | $647.00 | |
8931971 this | M6420-042-B16-04-02 | 31.6 mm | Arbor 16 mm | 4 | 2 mm | Ships from Walter | $647.00 | |
8931972 | M6420-050-B22-04-02 | 39.6 mm | Arbor 22 mm | 4 | 2 mm | Ships from Walter | $777.00 | |
8931973 | M6420-050-B22-05-02 | 39.6 mm | Arbor 22 mm | 5 | 2 mm | Ships from Walter | $814.00 | |
8931979 | M6420-066-B27-07-02 | 55.6 mm | Arbor 27 mm | 7 | 2 mm | Ships from Walter | $1,036.00 | |
8931966 | M6420.102-B38-07-02 | 3.591" | Arbor 1-1/2" | 7 | .079" | Ships from Walter | $1,331.00 |

