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INTERNAL THREADING
MMTI TYPE a Minimum cutting diameter 13mm.
BORING BARS a Various insert types.
MMTI a Precision class insert.
a Available with a wiper cutting edge to provide a precise thread geometry.
a Able to change lead angle by replacing shim.
Internal threading
Fig.1 (Screw-on type) Fig.2 (Screw-on type)
15°
Stock D1 A L3 L1 H1 L3
Lead F1 F1 D4 L1
Angle
15° Fig.3 (Clamp-on type) Fig.4 (Clamp-on type)
F1
F1 F1Details of position A
Z1Refer to page G015 G021,
D1 L3 L1 L3 L1 Z2 for size Z1, Z2.
THREADINGL2
Right hand tool holder only.
Dimensions (mm) Min. * * z
D4 L1 L3 F1 H1 Cutting
Order Number Insert Diameter SSchriemw x Fig
Number
R D1 Clamp Clamp Stop Shim Wrench
Bridge Screw Ring zTKY08F 1
TS25 zTKY08F 1
MMTIR1316AK11-SP15 a 1.5° 16 125 25 8.7 15 13 TS25
1316AK11-SP25 s 2.5° 16 125 25 8.7 15 13
1316AK11-SP35 s MMT11IR 3.5° 16 125 25 8.7 15 13 TS25 zTKY08F 1
1516AM11-SP15 a ooooo 1.5° 16 150 32 9.7 15 15 TS25 zTKY08F 1
1516AM11-SP25 s 2.5° 16 150 32 9.7 15 15 TS25 zTKY08F 1
1516AM11-SP35 s 3.5° 16 150 32 9.7 15 15 TS25 zTKY08F 1
MMTIR1916AM16-SP15 a 1.5° 16 150 40 12.2 15 19 CS350860T zTKY15F 2
1916AM16-SP25 s 2.5° 16 150 40 12.2 15 19 CS350860T zTKY15F 2
1916AM16-SP35 s MMT16IR 3.5° 16 150 40 12.2 15 19 CS350860T zTKY15F 2
zTKY15F
2420AQ16-C a ooooo 1.5° 20 180 40 14.2 19 24 SETK51 SETS51 CR4 HFC03006 CTI32TP15 xHKY20R 3
zTKY15F
2925AS16-C a 1.5° 25 250 60 16.7 23.4 29 SETK51 SETS51 CR4 HFC03006 CTI32TP15 xHKY20R 3
3732AS16-C a 1.5° 32 250 48 20.5 30.4 37 SETK51 SETS51 zTKY15F
CR4 HFC03006 CTI32TP15 xHKY20R 4
MMTIR2420AQ22-SP15 a 1.5° 20 180 50 15.5 19 24 TS43 zTKY15F 2
2420AQ22-SP25 s 2.5° 20 180 50 15.5 19 24 TS43 zTKY15F 2
2420AQ22-SP35 s MMT22IR 3.5° 20 180 50 15.5 19 24 TS43 zTKY15F 2
3025AR22-C a ooooo 1.5° 25 200 38 17.8 23.4 30 SETK61 SETS61 zTKY20F
3832AS22-C a 1.5° 32 250 48 21.8 30.4 38 SETK61 SETS61 CR5 HFC04008 CTI43TP15 xHKY25R 4
4640AT22-C s 1.5° 40 300 60 26.2 38 46 SETK61 SETS61 zTKY20F
CR5 HFC04008 CTI43TP15 xHKY25R 4
zTKY20F
CR5 HFC04008 CTI43TP15 xHKY25R 4
(Note) Select and use a shim as shown below (sold separately), dependant on the lead angle.
• A screw-on tool holder uses no shim. (The holder body has a lead angle.) Use a tool holder with the appropriate lead angle.
• Min. cutting diameter shows the internal hole diameter, not the thread diameter.
* Clamp Torque (N • m) : TS25=1.0, CS350860T=3.5, SETS51=3.5, TS43=3.5, SETS61=5.0, HFC03006=1.5, HFC04008=2.2
SHIM
Lead Order Number Stock Inclination Applicable Lead Order Number Stock Inclination Applicable
Angle R Angle Holder Angle R Angle Holder
(%°) ('°) (%°) ('°)
1.5° CTI32TN15 a 3° 1.5° CTI43TN15 a 3° Insert
0.5° N05 a 2° 0.5° N05 a 2° Shim
P05 a 1° MMTIR 0.5° P05 a 1° MMTIR Inclination
0.5° P15 a 1.5° P15 a Angle
1.5° 0° oooo 0° oooo ('°)
2.5° P25 a 1° oo16-C 2.5° P25 a 1° oo22-C
3.5° P35 a 2° 3.5° P35 a 2°
4.5° P45 a 3° 4.5° P45 a 3°
Standard shim delivered with the holder.
IDENTIFICATION
MMT I R 13 16 A K 11 S P15
Designation Application Min.Cutting Diameter (mm) Tool Length (mm) Diameter of Lead Angle
I Internal Inscribed Circle (mm) P15 1.5°
Shank Diameter (mm) K 125 R 200 11 6.35 Method of Holding P25 2.5°
M 150 S 250 16 9.525 S Screw-on P35 3.5°
Hand of Tool Shank Material Q 180 T 300 22 12.7 C Clamp-on
R Right
A Steel Shank with
Coolant Hole
HOW TO SELECT A SHIM G035 G013
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