MMTITHREADING
| TYPE | a Minimum cutting diameter .500". | a Available with a pressed breaker | |
| a Various insert types. | | for chip control. |
| BORING BARS | a Precision class insert for precise | a Able to change lead angle by | |
| MMTI | | thread forms. | replacing the shim. |
| Internal threading | | |
| GAMF | Fig.1 (Screw-on type) | Fig.2 (Screw-on type) |
| 15° | | |
LDRED LF H LDRED
| 15° | Fig.3 (Clamp-on type) | Fig.4 (Clamp-on type) | | | Details of position A |
| | | | | Refer to the insert standards |
| | | | PDX for dimensions PDX and PDY. | |
| LDRED | LDRED | LF | LF | |
| DMIN | LF | Right hand tool holder only. | |
| | | | z |
| Insert | | Dimensions (inch) | | |
R DCON LF LDRED WF H DMIN Clamp Bridge Clamp Screw Stop Ring Shim Screw Shim Wrench
| MMTIR102-0.50-1.5-C | | | 1.5° .625 5.000 1.000 .340 .586 | .500 | – | TS25 | – | – | – | zTKY08F | 1 |
| a | | | | | | | | | | |
| MMTIR102-0.50-2.5-C | a | MMT11IR | 2.5° .625 5.000 1.000 .340 .586 | .500 | – | TS25 | – | – | – | zTKY08F | 1 |
| MMTIR102-0.60-1.5-C | a | ooooo | 1.5° .625 6.000 1.250 .380 .586 | .600 | – | TS25 | – | – | – | zTKY08F | 1 |
| MMTIR102-0.60-2.5-C | | | 2.5° .625 6.000 1.250 .380 .586 | .600 | – | TS25 | – | – | – | zTKY08F | 1 |
| a | | | | | | | | | | |
| MMTIR103-0.75-1.5-C | a | | 1.5° .625 6.000 1.500 .480 .586 | .750 | – | CS350860T | – | – | – | zTKY15F | 2 |
| MMTIR103-0.75-2.5-C | a | | 2.5° .625 6.000 1.500 .480 .586 | .750 | – | CS350860T | – | – | – | zTKY15F | 2 |
| MMTIR123-0.90-1.5-C | | MMT16IR | 1.5° .750 7.000 1.500 .510 .711 | .900 | | | | | | | |
| a | | | | SETK51 SETS51 | | CR4 HFC03006 CTI32TP15 zTKY15F | | | | 3 |
| MMTIR163-1.15-1.5-C | | ooooo | | | | | | | | xHKY20R | |
| a | | 1.5° 1.000 10.000 2.500 .660 .937 1.150 SETK51 SETS51 | | | | CR4 HFC03006 CTI32TP15 zTKY15F | | | | 3 |
| MMTIR203-1.45-1.5-C | | | | | | | | | | xHKY20R | |
| a | | 1.5° 1.250 10.000 2.000 .810 1.187 1.450 SETK51 SETS51 | | | | CR4 HFC03006 CTI32TP15 zTKY15F | | | | 4 |
| | | | | | | | | | xHKY20R | |
| MMTIR124-0.95-1.5-C | a | | 1.5° .750 7.000 2.000 .610 .711 | .950 | – | TS43 | – | – | – | zTKY15F | 2 |
| MMTIR124-0.95-2.5-C | | | 2.5° .750 7.000 2.000 .610 .711 | .950 | – | TS43 | – | – | – | zTKY15F | 2 |
| a | MMT22IR | | | | | | | | | |
| MMTIR164-1.20-1.5-C | | | 1.5° 1.000 8.000 1.500 .700 .937 1.200 SETK61 SETS61 | | | | CR5 HFC04008 CTI43TP15 zTKY20F | | | | 4 |
| G | a | | | | | | | | | HKY25R | |
| MMTIR204-1.50-1.5-C | | ooooo | | | | | | | | x | |
| a | | 1.5° 1.250 10.000 2.000 .860 1.187 1.500 SETK61 SETS61 | | | | CR5 HFC04008 CTI43TP15 zTKY20F | | | | 4 |
| MMTIR244-1.75-1.5-C | | | | | | | | | | xHKY25R | |
| a | | 1.5° 1.500 12.000 2.500 .980 1.437 1.750 SETK61 SETS61 | | | | CR5 HFC04008 CTI43TP15 zTKY20F | | | | 4 |
xHKY25R Note 1) Select and use an alternate shim from list below (sold separately), dependant on the lead angle.
- The screw-on type has no shim. The holder has an in-built lead angle. Please select a holder with the appropriate lead angle.
* The minimum cutting diameter (DMIN) indicates the prepared hole diameter, not the nominal thread diameter. Clamp Torgue (lbf-in) : TS25=8.9, CS350860T=31, SETS51=31, TS43=31, SETS61=44, HFC03006=13, HFC04008=19
SHIM
| Lead Angle (%°) | Order Number | R Stock | Inclination Angle ('°) | Applicable Holder | Lead Angle (%°) | Order Number | R Stock | Inclination Angle ('°) | Applicable Holder | | |
| –1.5° | CTI32TN15 | a | –3° | | –1.5° | CTI43TN15 | a | –3° | | | Insert |
| –0.5° | CTI32TN05 | a | –2° | | –0.5° | CTI43TN05 | a | –2° | | | |
| 0.5° | CTI32TP05 | a | –1° | MMTIR | 0.5° | CTI43TP05 | a | –1° | MMTIR | Inclination Anle | |
| 1.5° | CTI32TP15 | a | 0° | oo3-ooo | 1.5° | CTI43TP15 | a | 0° | oo4-ooo | g ('°) | Shim |
| 2.5° | CTI32TP25 | a | 1° | -oo-C | 2.5° | CTI43TP25 | a | 1° | -oo-C | | |
| 3.5° | CTI32TP35 | a | 2° | | 3.5° | CTI43TP35 | a | 2° | | | |
| 4.5° | CTI32TP45 | a | 3° | | 4.5° | CTI43TP45 | a | 3° | | | |
Standard shim delivered with the holder.
RECOMMENDED CUTTING CONDITIONS
| Work Material | Hardness | Grade | CuttingSpeed(SFM) |
| P | | | VP10MF | 490(230─755) |
| Mild Steel | | VP15TF | 330(195─460) |
| | | VP20RT | 260(195─330) |
| | | VP10MF | 460(260─655) |
| Carbon Steel Allo Steel | 180─280HB | VP15TF | 330(195─460) |
| y | | VP20RT | 260(195─330) |
| M | Stil Stl | | VP15TF | 260 (130395) |
| aness ee | | VP20RT | ─ |
| K | GCtI | Tensile Strength | VP10MF | 460(260 ─655) |
| ray as ron | | VP15TF | 295(195─395) |
| Work Material | Hardness | Grade | CuttingSpeed(SFM) |
| S | | VP10MF | 150(50─230) |
| Heat-Resistant Alloy | ─ | VP15TF | 100 (65─130) |
| | VP20RT | |
| | VP10MF | 195(130 ─260) |
| Titanium Alloy | ─ | VP15TF | 150 (80─210) |
| | VP20RT | |
| H HtTtd All | 4555HRC | VP10MF | 165(100 ─230) |
| ea-reae oy | ─ | VP15TF | 130(65─195) |
| a : USA Stock s : Stocked in Japan | HOW TO SELECT A SHIM | G012 |
| G026 | <5 inserts in one case> | MMT SERIES ORDER NUMBER | G020 |
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