Unified coarse thread: UNC Whitworth fine thread: W

Nominal threadTPIToolholderInternal thread Insert iiBore diaNominal threadTPIToolholderInternal thread Insert iiBore dia
256 UNC56Partial profileFull profile. 169W95 TPI 24SINR0816S08EPartial profile 08IR5501Full profile. 830
- ∙. ∙. W10 TPI 2424--. 880
∙ ∙No tools available--∙ ∙W10.5 TPI 24 W95 TPI 20- SINR0816S08EEZTR060050-55-008 08IR5501. 9.30 806
6-32UNC322.65. W10 TPI 20-. 856
8-32 UNC 10-24 UNC32 24- -EZTR030025-60-002 EZTR035030-60-002- -3.31 3.68W10.5 TPI 20 W11 TPI 20. 9.06 956
12-24 UNC24-EZTR040035-60-004 EZTR05004060004-4.34W11.5 TPI 20 W12 TPI 2020-EZTR060050-55-008 EZTR080070-55-008-. 10.06 106
1/4-20 UNC20----4.98W2 TPI 2.5
-VNTR045-11-1.5 0 W13 TPI 2011.06 1156
5/16-18 UNC18-EZTR060050-60-004-64111IRA55.
-VNTR060-11-.W13.5 TPI 2020SINR1216S-11E11IR55005-12.06
3/8-16 UNC 7/16-14 UNC16 14-EZTR070060-60-004-7.81 915W11 TPI 18 W115 TPI 189.40 990
1/2-13 UNC13No tools available. 10.58. W12 TPI 1818No tools available. 10.40
9/16-12 UNC 5/8-11 UNC12 1112.00 13.38W12.5 TPI 18 W14 TPI 1810.90 12.40
3/4-10 UNC1016IR10UN-16.30W14.5 TPI 18 W TPI18SINR1216S-11E11IRA55 IR-12.90
7/8- 9 UNC9SINR1616S-1616IRAG60-19.1715 18 W16TPI 18115500513.40
1- 8 UNC8SINR2016S-1616IRG6016IR08UN-21.96W13 TPI 1616No tools available14.40 11.20
1 1/8- 7 UNC 1 1/4- 7 UNC7SINR2420S-2224.65 27.82W13.5 TPI 16 W14 TPI 1611.70 12.20
1 3/8- 6 UNC6CINR3025S-2222IRN60-30.34W14.5 TPI 16 W15 TPI 1616SINR1216S-11E11IRA55-12.70 1320
1 1/2- 6 UNC 1 3/4- 5 UNC 2-4 1/2 UNC5 4 1/2CINR3732S-2233.52 38.95 4469W17 TPI 16 W18 TPI 1616SINR1516S-1111IR55005 16IRAG55. 15.20 1620
2-4 1/2 UNC and over cannot be machined, becauseno inserts are avail-. ∙W19 TPI 1616SINR1616S-1616IRG55(16IR16W- ). 1720
∙ ∙able for the TPI.∙ ∙W20 TPI 1616IR5501 16IR5502. 18.20
ifidihdW16 TPI 1414SINR1216S-11E11IRA5513.94
nenetrea:NFW17 TPI 14 W18 TPI 1414SINR1516S-1111IR55005-14.94 15.94
Internal threadW21 TPI 1418.94
Nominal threadTPIToolholderInsert Partial profileFull profileBore dia.W22 TPI 14 W23 TPI 1414SINR1616S-1616IRAG55 16IRG55(16IR14W )19.94 20.94
0-80 UNF80ii1.18W24 TPI 1416IR5501(16IR14W)21.94
∙ ∙No tools available--∙ ∙W25 TPI 14 W26 TPI 1414SINR2016S-1616IR550222.94 23.94
W19 TPI 1216.60
6-40 UNF 8-36 UNF40 36-EZTR030025-60-002-2.82 3.40W20 TPI 12 W21 TPI 1212SINR1616S-16-17.60 18.60
10-32 UNF32-EZTR035030-60-002-3.97W22 TPI 1219.60
12-28 UNF28-EZTR040035-60-004-4.50W28 TPI 1225.60
1/4-28 UNF28- -EZTR050040-60-004 VNTR045-11- -5.37W30 TPI 12 W32 TPI 1212SINR2420S-1616IRAG55-27.60 29.60
W34 TPI 1216IRG5531.60
5/16-24 UNF24- - SINR0612S-06EEZTR060050-60-004 VNTR060-11 06IR60005- - -6.79W35 TPI 12 W36 TPI 12 W38 TPI 1212CINR3025S-1616IR5501 16IR5502-32.60 33.60 3560
-EZTR070060-60-004-W40 TPI 12. 3760
3/8-24 UNF24SINR0612S-06E06IR60005-8.38W42 TPI 12. 3960
7/16-20 UNF20SINR0816S-08E08IR60007-9.74W44 TPI 12 W45 TPI 12CINR3732S-16-. 41.60 4260
1/2-20 UNF 9/16-18 UNF18SINR1216S-11E11IRA60-11.33 12.76W46 TPI 12 W48 TPI 1212. 43.60 4560
5/8-18 UNF11IR6000514.35W50 TPI 12iii. 4760
3/4-16 UNF16SINR1516S-11 SINR1616S-1611IRA60 11IR60005- 16IR16UN(- )17.33∙ ∙ ∙Hereafter, 12 TPI whit i tool as above.worth fine thread can be mai chined by the same. ∙ ∙ ∙
7/8-14 UNF14SINR2016S-1616IR14UN(- )2026W23 TPI 102012
1-12 UNF12SINR2016S-16. 2310W24 TPI 10. 2112
16IRAG60.W25 TPI 1010SINR2016S-16-. 2212
1 1/8-12 UNF12SINR2420S-1616IRG6026.28W26 TPI 10. 2312
1 1/4-12 UNF16IR600116IR12UN(- )29.46W28 TPI 9. 2480
1 3/8-12 UNF32.63W30 TPI 99SINR2420S-16-. 2680
1 1/2-12 UNF12CINR3025S-1636.81W32 TPI 916IRAG55. 2880
hitwothoarse thead: WW34 TPI 8 W35 TPI 816IRG55. 30.40 3140
W36 TPI 8. 3240
Nil thdTPIInternal threadW38 TPI 8 W40 TPI 88CINR3025S-16-. 34.40 3640
omna reaToolholderInsert iiBore dia.W42 TPI 8. 3840
W 1/4 W5/1620 18No tools availablePartial profile -Full profile -4.91 6.34W44 TPI 7 W45 TPI 7 W46 TPI 7. 39.89 40.89 4189
W 3/8167.73W48 TPI 77CINR3732S-2222IRN55-. 4389
W 7/16 W 1/214No tools available9.06 10.30W50 TPI 7 W52 TPI 7. 45.89 4789
W 9/16 W 5/812 1111.89 13.26W55 TPI 6 W58 TPI 6. 50.20 5320
W 3/4 W 7/8 W 110 9 8SINR1616S-16 SINR2016S-1616IRAG55 16IRG55- -16.17 19.03 2180W60 TPI 6 W62 TPI 66CINR3732S-2222IRN55-. 55.20 57.20
W 1 18. 2∙ W72 TPI 6∙ 6720
/ W 1 1/47SINR2420S-2222IRN55-4.47 2764W75 TPI 5. 6924
W 1 3/8 W 26. 30.135CINR3732S-2222IRN55-. ∙
1 1/CINR3025S-2222IRN55-33.30∙ W105 TPI 5∙ 9924
W 1 5/8 W 1 3/4 W 1 7/85 5CINR3732S-2222IRN55-35.52 38.69 41.23W110 TPI 4 ∙4No tools available. 102.8 ∙
W 2 W 2 1/44 1/2 4No tools available44.41 49.96

Above shows the usage example of applicable Toolholder / Insert.