Unified coarse thread: UNC Whitworth fine thread: W

Internal thread Internal thread

Nominal thread TPI Insert Nominal thread TPI Insert

Toolholder Bore dia. Toolholder Bore dia.

Partial profile Full profile Partial profile Full profile

2-56 UNC 56 1.69 W9.5 TPI 24 SINR0816S-08E 08IR5501 8.30

  • W10 TPI 24 24 - 8.80
  • No tools available - -
  • - EZTR060050-55-008

W10.5 TPI 24 9.30

6-32 UNC 32 2.65 W9.5 TPI 20 SINR0816S-08E 08IR5501 8.06

W10 TPI 20 8.56

8-32 UNC 32 - EZTR030025-60-002 - 3.31

W10.5 TPI 20 9.06

10-24 UNC24-EZTR035030-60-002-3.68W11 TPI 209.56
12-24 UNC24-EZTR040035-60-004-4.3420EZTR060050-55-008-
W11.5 TPI 20-10.06

EZTR080070-55-008

- EZTR050040-60-004 - W12 TPI 20 10.56

1/4-20 UNC 20 4.98

-VNTR045-11-W12.5 TPI 2011.06
-EZTR060050-60-004-W13 TPI 2011.56

5/16-18 UNC 18 6.41 11IRA55

- VNTR060-11 - W13.5 TPI 20 20 SINR1216S-11E - 12.06

11IR55005

3/8-16 UNC16-EZTR070060-60-004-7.81W11 TPI 189.40
7/16-14 UNC149.15W11.5 TPI 189.90

18 No tools available

1/2-13 UNC1310.58W12 TPI 1810.40
No tools availableW12.5 TPI 1810.90
9/16-12 UNC1212.00
5/8-11 UNC1113.38W14 TPI 1812.40
W14.5 TPI 1811IRA5512.90
3/4-10 UNC1016IR10UN- 16.30SINR1216S-11E 18-
16IRAG60 SINR1616S-16W15 TPI 1811IR5500513.40
7/8- 9 UNC9- 19.17W16 TPI 1814.40

16IRG60

1- 8 UNC 8 SINR2016S-16 16IR08UN- 21.96 W13 TPI 16 11.20

16 No tools available

1 1/8- 7 UNC 24.65 W13.5 TPI 16 11.70

7 SINR2420S-22

1 1/4- 7 UNC27.82W14 TPI 1612.20
1 3/8- 6 UNC22IRN60-30.34W14.5 TPI 1616SINR1216S-11E11IRA5512.70
6CINR3025S-22W15 TPI 16-13.20

1 1/2- 6 UNC 11IR55005 33.52

W17 TPI 16 16 SINR1516S-11 15.20

1 3/4- 5 UNC 5 CINR3732S-22 38.95

16IRAG55

2-4 1/2 UNC 4 1/2 44.69 W18 TPI 16 16.20

  • * 2-4 1/2 UNC and over cannot be machined, because no inserts are avail-
  • 16IRG55

W19 TPI 16 16 SINR1616S-16 (16IR16W- ) 17.20

  • able for the TPI.
  • 16IR5501

W20 TPI 16 18.20

  • 16IR5502

Unified fine thread: UNF W16 TPI 14 13.94

14 SINR1216S-11E 11IRA55

W17 TPI 14 - 14.94 JJ

11IR55005

W18 TPI 14 14 SINR1516S-11 15.94

Internal thread W21 TPI 14 18.94

Nominal thread TPI Insert 14 SINR1616S-16

ToolholderBore dia.W22 TPI 1416IRAG5519.94
Partial profileFull profileW23 TPI 1416IRG55(16IR14W)20.94
0-80 UNF801.18W24 TPI 1416IR5501(16IR14W)21.94
  • 14 SINR2016S-16

W25 TPI 14 16IR5502 22.94

  • No tools available - -
  • W26 TPI 14 23.94
  • W19 TPI 12 16.60

6-40 UNF 40 2.82

W20 TPI 12 17.60

8-36 UNF 36 - EZTR030025-60-002 - 3.40 12 SINR1616S-16 -

W21 TPI 12 18.60

10-32 UNF32-EZTR035030-60-002-3.97W22 TPI 1219.60
12-28 UNF28-EZTR040035-60-004-4.50W28 TPI 1225.60
-EZTR050040-60-004-W30 TPI 1212 SINR2420S-16-27.60
1/4-28 UNF285.37W32 TPI 1216IRAG5529.60
-VNTR045-11-
-EZTR060050-60-004-W34 TPI 1216IRG5531.60
W35 TPI 1216IR550132.60
5/16-24 UNF24-VNTR060-11-6.7912 CINR3025S-16-
W36 TPI 1216IR550233.60
SINR0612S-06E06IR60005-W38 TPI 1235.60
-EZTR070060-60-004-W40 TPI 1237.60
3/8-24 UNF248.38
SINR0612S-06E06IR60005-W42 TPI 1239.60
7/16-20 UNF9.74W44 TPI 12CINR3732S-16-41.60
20SINR0816S-08E08IR60007-W45 TPI 1242.60

1/2-20 UNF 11.33 W46 TPI 12 43.60

9/16-18 UNF 11IRA60 12.76 12

18SINR1216S-11E-W48 TPI 1245.60
5/8-18 UNF11IR6000514.35W50 TPI 1247.60

11IRA60 * Hereafter, 12 TPI whitworth fine thread can be machined by the same

SINR1516S-11 -

3/4-16 UNF 16 11IR60005 17.33 tool as above.

SINR1616S-1616IR16UN(-)
7/8-14 UNF14SINR2016S-1616IR14UN(-)20.26W23 TPI 1020.12
1-12 UNF12SINR2016S-1616IRAG6023.10W24 TPI 1021.12

10 SINR2016S-16 -

1 1/8-12 UNF16IRG6026.28W25 TPI 1022.12
12SINR2420S-16W26 TPI 1023.12
1 1/4-12 UNF16IR600116IR12UN(-)29.46

W28 TPI 9 24.80 1 3/8-12 UNF 32.63

12 CINR3025S-16 W30 TPI 9 9 SINR2420S-16 - 26.80

1 1/2-12 UNF 36.81 16IRAG55

W32 TPI 9 28.80 16IRG55

Whitworth coarse thread: W W34 TPI 8 30.40

W35 TPI 8 31.40 W36 TPI 8 32.40

Internal thread 8 CINR3025S-16 -

W38 TPI 8 34.40

Nominal thread TPI Insert W40 TPI 8 36.40

Toolholder Bore dia.

Partial profileFull profileW42 TPI 838.40
W 1/4204.91W44 TPI 739.89
No tools available--W45 TPI 740.89
W 5/16186.34
W 3/8167.73W46 TPI 741.89

7 CINR3732S-22 22IRN55 -

W48 TPI 7 43.89

W 7/16 14 9.06

W50 TPI 7 45.89

W 1/2 No tools available 10.30 W52 TPI 7 47.89

12

W 9/1611.89W55 TPI 650.20
W 5/81113.26W58 TPI 653.20
W 3/41016.17W60 TPI 655.20

SINR1616S-16 16IRAG55 - 6 CINR3732S-22 22IRN55 -

W 7/8 9 19.03 W62 TPI 6 57.20

16IRG55

W 18SINR2016S-16-21.80
W 1 1/824.47W72 TPI 667.20
7SINR2420S-2222IRN55-
W 1 1/427.64W75 TPI 569.24
W 1 3/830.13

6 5 CINR3732S-22 22IRN55 -

W 1 1/2CINR3025S-2222IRN55-33.30
W 1 5/8535.52W105 TPI 599.24
W 1 3/45CINR3732S-2222IRN55-38.69W110 TPI 4102.8
  • 4 No tools available

W 1 7/8 41.23

4 1/2

W 2No tools available44.41
W 2 1/4449.96

Above shows the usage example of applicable Toolholder / Insert.