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Points at bolt countersinking 1. Carbon steel Increase the feed rate to fz=0.1 ~ 0.15 (mm/t) for preventing long chips at low feed rates. Chip control is good when setting (Vc=80m/min) for MEF11~MEF25, and (Vc=120m/min) for MEF26~MEF48.
| Toolholder description | Vc(m/min) | fz(mm/t) | |
| MEF11~MEF25 | 80 | 0.1~0.15 | |
| MEF26~MEF48 | 120 | 0.1~0.15 | |
| 2. Sticky materials | |||
| Other applicationsOther applicationsStep feed is recommended for good chip control | T-Slot millT-Slot mill | ||
| Increase the feed rate to fz=0.1 ~ 0.15 (mm/t) for preventing long chips at low feed rate (fz=0.05mm/t). | |||
| Use cover to prevent accidents or injury by thick chips at higher feed rates. | |||
| Toolholder description | Vc(m/min) | Step feed (mm) fz(mm/t) | |
| MEF11~MEF48 | 80~150 | 0.5~1.5 0.1~0.15 | |
| METS3. Stainless steel | |||
| Use a lower cutting speed. high cutting speeds cause chattering. |
| Cutting performance when shouldering | Description | Cutting range |
| MEF bolt countersink end mill is also recommended of shouldering. | ||
| MEF11-S12 | ~ |
ae Vc=80~120m/min MEF14-S12
| DC | MEF17-S16 | DC | |
| S55C | -0.3-0.1 | -0-0.1 |
CW -0.1-0.3 .3 CW-0.1-0.3
| Dry | LU 0-0.2 | MEF18-S16 | LU 0-0.2 | ||||
| LF | LF | ||||||
| Fig. 1 | Fig. 2 | ||||||
| Overhang length: | DCX/6 | DCX/3 | DCX/2 | Cutting width: ae(mm) |
Same as LH in the dimension table MEF20-S16 Toolholder dimensions MEF22-S20
| Availa- | Dimensio | n (mm) | e | Spare | parts | |||||||||||
| bility | t hol | Screw | Wrench(Torx) | |||||||||||||
| D | escription | R | Inserts | Flutes | A.R. | R.R. | DC | DCON | LF | LU | CW | DN | Coolan Fig. | Applicable inserts | ||
| METS | 21-S25 | N | 2 | 1 | 21 | 25 | 109 | 29 | 9 | 10.5 | 1 | SB-2560TR | DT-8 | SDMT060304E-K | ||
| 25-S25 | N | -10 | 25 | 112 | 32 | 11 | 12.5 | 1 | ||||||||
| 32-S32 | N | 4 | 2 | +9 | 32 | 120 | 38 | 14 | 15.5 | No 1 | SB-3060TR | DT-10 | SDMT080308E-K | |||
| 40-S32 | N | 12 | 40 | 32 | 130 | 50 | 18 | 20.5 | 1 | SB4085TR | DT15 | SDMT120408EK | ||||
| 50-S32 | N | - | 50 | 140 | 60 | 22 | 26.5 | 1 | - | - | - | |||||
| METS | 21-S25-H | N | 2 | 1 | 21 | 2 | 109 | 29 | 9 | 10.5 | 2 | SB260TR | DT8 | SDMT060304EK | ||
| 25-S25-H | N | -10 | 25 | 5 | 112 | 32 | 11 | 12.5 | 2 | -5 | - | - | ||||
| 32-S32-H | N | 4 | 2 | +9 | 32 | 120 | 38 | 14 | 15.5 | Yes 2 | SB-3060TR | DT-10 | SDMT080308E-K | |||
| 40-S32-H | N | 12 | 40 | 32 | 130 | 50 | 18 | 20.5 | 2 | SB4085TR | DT15 | SDMT120408EK | ||||
| 50-S32-H | N | - | 50 | 140 | 60 | 22 | 26.5 | 2 | - | - | - |
M DCX/6 DCX/3 DCX/2 Cutting width: ae(mm)
METS...-H has air holes JIS standard of T-slot (Extracted from B0952) (Unit: mm)
| A (Nominal size) | B | C | H Max. | Min. | A | |
| 12 | 19 +2 0 | 8 +1 0 | 25 | 20 | H | |
| 14 18 | 23 +2 0 30 +2 0 | 9 +2 0 12 +2 0 | 28 36 | 23 30 | B | C |
| 22 | 37 +3 0 | 16 +2 0 | 45 | 38 | ||
| 28 | 46 +4 0 | 20 +2 0 | 56 | 48 | Previous milling groo | ve does not affect. |