D-Thread Technical Section .A\V/ Shell Mill (U Style) Applications Standard Toolholders - Weldon Shank (A Style) Thread Applications for Partial Profile Inserts Tool holder Min. Thread Dia. cE OC -o Q iff Designation D ISO Coarse ISO Fine UNC UN/UNF/UNEF/UNS BSP(G) Partial 55° L1 L M48X 5.0 M45X1.5; M45x2.0 2-4.5; l3/4-16UN;l3/4-14UNSSR0042B16U-16-04T42.00M 56X 5.5M46x2.5;M48x3.0M64x6.0M48X3.5; M48x4.02V2 - 4113/16-12UN;113/16-8UN115/-6UN16l7/g-16;l7/8-12;1V - 11l7/8-8;l7/8-6; 2-4.52 Assemble internal thread turning inserts, can be used for milling internal threads and external threads SR0048 B16U - 22-05T 48.00 M56X5.5M64x6.0M52x1.5; M52x2.0M52x2.5;M52x3.0M55x4.022VV4-- 4.5; 42 2-16UN; 2-14UN; 2-12UN;2V4-10UNS; 2V8-8UN; l3/4- 112V -6UN 2-16; 2VJ-12; 2V4-8;2V4-6; 3-5; 3V2-4.5;2V -484M60x1.5; M60x2.0SR0056 B16U - 22 - 06T56.00M64x6.0M60x2.5;M60x3.0M64x4.02V - 4223/ -16UN; 23/ -14UN;23/8-12UN;2V 8-10UNS;8223/8-8UN; 21/2-6UN2-112V -16; 2X/ -12;2V2-8; 2 3 2/4 -6; 3-5;3 2 V2-4.5; 4V4-4Spare partsDesignationStockNo. ofDimensions(mm)Available InsertRLInsertsDmindLIL#screwWrenchSR0009-08A - A12 -80O18.2012128008IRY50-SSTX2-2.8PTPF-06 0012-11A-A12-80 O 1 12.00 12 25 80 11IR Y 55 - SSTX 2.5 -3.6P TPF-08 0014-16A-A16-100 O 1 14.00 16 35 100 SR0088 B22U - 27 - 06T 88.00 M95x6.0; M125x8.0 4-4 4V4 -4UN 4-3; 4V4-4 0016 -16A - A16-100 O 1 16.00 16 40 100 0018 -16A - A 20-125 O 1 18.00 20 35 125 16IR Y60- SSTX 3.5 - 5.3 P TPF-15 0020-16A - A 20-125 O 1 20.00 20 50 125 SR0098 B 22U - 32 -07T 98.00 M105x6.0; M125x8.0 4V4 -4UN 434_4 0025-16A - A 25 -150 O 1 25.00 25 65 1500025- 22A - A 25 -150O125.002565150 0032-22A-A32-200 O 1 32.00 32 100 200 22IR Y 55 - SSTX4.5 - 6.8 P TPF-20 0035 -22A-A32-250 O 1 35.00 32 110 250 Thread Applications for Full Profile Inserts (NPT) Tool holder Pitch Toolholder cuttingdiameter D2 (mm) Cylindrical or Conical pre-drilled hole Cylindrical pre-drilled hole NPT Threading by 2 Radial Designation TPI D Adjustment NPT Threading by 1Radial Pass Passes (50% / 50%) SR0042B16U-16-04T 11.5 41.15 172-11.5NPT; 2-11.5NPT SR0042B16U-16-04T 8 41.15 272...10-8NPT SR0048B16U-22-05T 11.5 47.15 2-11.5 NPT SR0048B16U-22-05T 8 47.15 27r..10-8NPT SR0056B16U-22-06T 8 55.15 272...10-8NPT SR0088 B22U- 27 - 06T 8 88.06 3 72".»160D-8NPT 160D...240D-8NPT SR0098B22U32-07T 8 98.06 4"...160D-8NPT 160D...240D-8NPT * Correct the toolholder cutting diameter D according to adjustment, as indicated in the above table. ** Note: When the pre-drilled hole for 8 NPT is conical, the thread can be machined in one pass. 373 374