ZÁVITOVÁNÍ
43
TAP DRILL SIZE CHART
DRILL SIZES FORMING TAPS
DRILL SIZES CUTTING TAPS
P
P
P
P
1 : 16
P
55 °
60 °
60 °
60 °
P
60 °
55 °
ISO M etric C oarse T hread DIN 13
ISO M etric F ine T hread DIN 13
W hitworth T hread BSW - BS 84
ISO M etric C oarse T hread DIN 13
UNC ASME - B1 . 1
R c C onical G as T hread ( BSPT ) - DIN EN 10226 - 2
M aximum core diam. (tol. 6H ) [mm] D 1
M aximum core diam. (tol. 6H ) [mm] D 1
M aximum core diam. (tol. 3B ) [mm] D 1
M aximum core diam. [mm] D 1
D rill size* [mm]
D rill size* [mm]
D rill size [mm]
D rill size* [mm]
D P itch [ TPI ]
D P itch [mm]
D P itch [mm]
D P itch [ TPI ]
P itch [mm]
D rill size [mm] 1 , 85 ± 0 , 03 2 , 30 ± 0 , 03 2 , 80 ± 0 , 03 3 , 25 ± 0 , 03 3 , 70 ± 0 , 03 4 , 65 ± 0 , 03 5 , 55 ± 0 , 05 7 , 40 ± 0 , 05 9 , 30 ± 0 , 05 11 , 20 ± 0 , 05 13 , 10 ± 0 , 05 15 , 10 ± 0 , 05 16 , 90 ± 0 , 05 18 , 90 ± 0 , 05 22 , 70 ± 0 , 05 25 , 70 ± 0 , 05 28 , 45 ± 0 , 05
D
P itch [ TPI ]
D rill size** [mm] D 1
D
t 1 [mm]
M 1
0 , 25 0 , 25 0 , 25 0 , 3 0 , 35 0 , 35 0 , 35 0 , 4 0 , 45 0 , 4 0 , 45 0 , 45 0 , 5 0 , 6 0 , 7 0 , 75 0 , 8
0 , 785 ( 1 ) 0 , 885 ( 1 ) 0 , 985 ( 1 ) 1 , 142 ( 1 )
0 , 75 0 , 85 0 , 95 1 , 1 1 , 25 1 , 35 1 , 45 1 , 6 1 , 75 1 , 9 2 , 05 2 , 1
M 2 ( 3 )
0 , 25 0 , 25 0 , 35 0 , 35 0 , 35 0 , 5 0 , 5 0 , 5 0 , 5 0 , 75 0 , 75 0 , 75
1 , 774 ( 2 ) 2 , 085 2 , 221 2 , 721
1 , 75 2 , 05 2 , 15 2 , 65 3 , 15 3 , 5
N r. 1 N r. 2 N r. 3 N r. 4
64 56 48 40 40 32 32 24 24 20 18 16 14 13 12 11 10
1 , 582 1 , 872 2 , 146 2 , 385 2 , 697 2 , 896 3 , 528 3 , 950
1 , 55 1 , 85 2 , 1 2 , 35 2 , 65 2 , 85 3 , 5 3 , 9
3 / 32 " 1 / 8 " 5 / 32 " 3 / 16 " 7 / 32 " 1 / 4 " 5 / 16 " 3 / 8 " 7 / 16 " 1 / 2 " 9 / 16 " 5 / 8 " 3 / 4 " 7 / 8 " 1 1 / 8 " 1 1 / 4 " 1 3 / 8 " 1 1 / 2 " 1 5 / 8 " 1 3 / 4 " 1 7 / 8 " 2 1 / 4 " 2 1 / 2 " 2 3 / 4 " 1 " 2 "
48 40 32 24 24 20 18 16 14 12 12 11 10
1 , 912 2 , 591 3 , 214 3 , 744 4 , 539 5 , 156 6 , 589 7 , 988 9 , 332 10 , 589 12 , 177 13 , 559 16 , 485 19 , 355 22 , 149 24 , 831 28 , 006 30 , 528 33 , 703 35 , 961 39 , 136 41 , 702 44 , 877 50 , 465 56 , 815 62 , 182 68 , 532
1 , 9 2 , 55 3 , 2 3 , 7
M 2
0 , 4 0 , 45 0 , 5 0 , 6
1 , 1 1 , 2 1 , 4 1 , 6
2 , 3 ( 3 )
1 / 16 " 1 / 8 " 1 / 4 " 3 / 8 " 1 / 2 " 3 / 4 " 1 1 / 4 " 1 1 / 2 " 1 "
28 28 19 19 14 14 11 11 11 11
6 , 2 8 , 2
11 , 9 11 , 9 17 , 7 18 , 1 25 , 3 30 , 6 32 , 9 32 , 9 24 37 , 2
2 , 5
2 , 5
3
3
11
3 , 5
N r. 5 N r. 6 N r. 8 N r. 10 N r. 12
4 , 5 5 , 1 6 , 5 7 , 9
3 , 5
3 , 221 3 , 599 4 , 099 4 , 599 5 , 099 5 , 378 6 , 378 7 , 378 7 , 153 8 , 378 8 , 153 9 , 378 9 , 153 8 , 912 10 , 378 10 , 153 11 , 378 11 , 153 10 , 912 10 , 676 13 , 153 12 , 912 12 , 676 14 , 153 13 , 676 15 , 153 14 , 676 16 , 153 15 , 676 17 , 153 16 , 676 16 , 210 19 , 153 18 , 676 18 , 210 21 , 153 20 , 676 20 , 210 23 , 153 22 , 676 22 , 210 24 , 153 23 , 676 23 , 210 24 , 676 26 , 153 25 , 676 25 , 210 27 , 153 26 , 676 26 , 210 29 , 153 28 , 676 28 , 210 27 , 252 30 , 676 30 , 210 31 , 676 31 , 210 30 , 252 33 , 676 34 , 676 34 , 210 33 , 252 36 , 676 37 , 676 37 , 210 36 , 252 38 , 676 38 , 210 37 , 252 40 , 676 40 , 210 39 , 252 43 , 676 43 , 210 42 , 252 46 , 676 46 , 210 45 , 252 48 , 676 48 , 210 47 , 252 50 , 676 50 , 210 49 , 252
1 , 321 1 , 421 1 , 521 1 , 679 1 , 838 1 , 938 2 , 138 2 , 238 2 , 599 3 , 010 3 , 422 3 , 878 4 , 334 5 , 153 6 , 153 6 , 912
14 , 5
4 5 6 8
0 , 7 0 , 8
4
1 , 7 ( 3 )
18
4 , 5
4
1 , 8
23 , 5 29 , 5
1
5
4 , 5
2
1 , 25 1 , 5 1 , 75
4 , 590 5 , 250 6 , 680 8 , 082 9 , 441 10 , 881 12 , 301 13 , 693 16 , 624 19 , 520 22 , 344 25 , 082 28 , 258 30 , 851 34 , 026 39 , 560 45 , 367
4 , 5 5 , 1 6 , 6
9 , 25
5 , 5
5
2 , 2
38 44
10 12 14 16 18 20 24 27 30
1 / 4 " 5 / 16 " 3 / 8 " 7 / 16 " 1 / 2 " 9 / 16 " 5 / 8 " 3 / 4 " 7 / 8 " 1 1 / 8 " 1 1 / 4 " 1 3 / 8 " 1 1 / 2 " 1 3 / 4 " 1 "
10 , 5
6 7 8 8 9 9
5 , 2 6 , 2 7 , 2
2 , 3 ( 3 )
12
2 , 5
2 "
55 , 5
2 2
8
13 , 5 16 , 4 19 , 25 24 , 75 27 , 75 30 , 3 33 , 5 22 35 , 5
2 , 6 ( 3 )
9 , 4 10 , 8 12 , 2 13 , 5
1
7
3
2 , 5 2 , 9 3 , 3 3 , 7 4 , 2 6 , 8 7 , 8 8 , 5 9 , 5 5 6
2 , 5 2 , 5
9 8 7 7 6 6 5 5
0 , 75
8 , 2
3 , 5
1 : 16
P
1
8
4
3 3
10 10 10 11 11 12 12 12 14 14 14 15 15 16 16 17 17 18 18 18 20 20 20 22 22 22 24 24 24 25 25 25 26 27 27 27 28 28 28 30 30 30 30 32 32 33 33 33 35 36 36 36 38 39 39 39 40 40 40 42 42 42 45 45 45 48 48 48 50 50 50 52 52 52
0 , 75
9 , 2
4 , 5
16 , 5 19 , 5 22 , 25
1
9
5 6 7 8 9
3 , 5
60 °
9 8 7 7 6 6 5
1 , 25 0 , 75
8 , 8 10 , 2
1 1
25 28
1
10
1 , 25 1 , 25
N ational P ipe T hread NPT - ANSI B1 . 20 . 1
39
12 ( 3 )
7 , 912 8 , 676 9 , 676 10 , 441 12 , 210 14 , 210 15 , 744 17 , 744 19 , 744 21 , 252 24 , 252 26 , 771 29 , 771 32 , 270 35 , 270 37 , 799 40 , 799 43 , 297 47 , 297 50 , 796 54 , 796 58 , 305 62 , 305
0 , 75
11 , 2
P
60 °
30 , 75
4 , 5 4 , 5
41 , 5 44 , 5 56 , 3 61 , 5 50
10 11 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56
1 , 5 1 , 5
1
11
34
1 , 25 1 , 5 1 , 25 1 , 5 1
10 , 8 10 , 5 12 , 8 12 , 5 13
P itch [ TPI ]
D rill size** [mm] D 1
39 , 5
4 4
1 , 75
10 , 2
D
t 1 [mm]
2 "
4 , 5
45
2 2
12 14
ISO M etric F ine T hread DIN 13
3 , 5 3 , 5
1 / 16 " 1 / 8 " 1 / 4 " 3 / 8 " 1 / 2 " 3 / 4 " 1 1 / 4 " 1 1 / 2 " 1 "
27 27 18 18 14 14
6 , 15 8 , 5
12 12
3 "
68
2 , 5 2 , 5 2 , 5
15 , 5 17 , 5 19 , 5
1
14
P
11
17 , 5 17 , 6 22 , 9 27 , 4 28 , 1 28 , 4 28 , 4 23
P itch [mm]
D rill size [mm] 2 , 85 ± 0 , 03 3 , 80 ± 0 , 03 4 , 80 ± 0 , 03 5 , 65 ± 0 , 03 7 , 55 ± 0 , 05 9 , 55 ± 0 , 05 9 , 40 ± 0 , 05 11 , 55 ± 0 , 05 11 , 40 ± 0 , 05 11 , 30 ± 0 , 05 13 , 40 ± 0 , 05 13 , 30 ± 0 , 05 15 , 30 ± 0 , 05 17 , 30 ± 0 , 05 19 , 30 ± 0 , 05
1 , 5
13 , 5
60 °
D
14 , 5 17 , 85 23 , 2
3 3
21 24
1
15
P
55 °
1 , 5
14 , 5
M 3
0 , 35 0 , 5 0 , 5 0 , 75
3 , 5 3 , 5
26 , 5 29 , 5
1
16
4 5 6 8
11 , 5 11 , 5 11 , 5 11 , 5
29
1 , 5
15 , 5
37 , 8
UNF ASME - B1 . 1
4 4
32 35
1
17
44 56
W hitworth P ipe T hread EN - ISO 228
1 , 5
16 , 5
M aximum core diam. (tol. 3B ) [mm] D 1
1 1
2 "
D rill size* [mm]
4 , 5 4 , 5
37 , 5 40 , 5
2 1 2 1 2 1 2 1
16 19 18 21 20 23 22 24
D P itch [ TPI ]
10 10 12 12 12 14 14 16 18 20
1 , 25
M aximum core diam. [mm] D 1
D rill size* [mm]
5 5
43 47
1 , 5
18 , 5
D P itch [ TPI ]
1
N r. 0 N r. 1 N r. 2 N r. 3 N r. 4 N r. 5 N r. 6 N r. 8
80 72 64 56 48 44 40 36 32 28 28 24 24 20 20 18 18 16 14 12 12 12 12 12
1 , 306 1 , 613 1 , 913 2 , 197 2 , 459 2 , 741 3 , 012 3 , 597 4 , 168 4 , 717 5 , 563 6 , 995 8 , 565 9 , 947 11 , 524 12 , 969 14 , 554 17 , 546 20 , 493 23 , 363 26 , 538 29 , 713 32 , 888 36 , 063
1 , 25 1 , 55 1 , 85 2 , 15 2 , 95 3 , 5 4 , 1 4 , 6 2 , 4 2 , 7
1 : 16
P
1 , 25 1 , 5 1 , 25 1 , 5
5 , 5 5 , 5
50 , 5 54 , 5
1 / 8 " 1 / 4 " 3 / 8 " 1 / 2 " 5 / 8 " 3 / 4 " 7 / 8 "
28 19 19 14 14 14 14 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11
8 , 848 11 , 890 15 , 395 19 , 172 21 , 128 24 , 658 28 , 418 30 , 931 35 , 579 39 , 592 42 , 005 45 , 485 51 , 428 57 , 296 63 , 392 67 , 080 72 , 866 79 , 216 85 , 566 91 , 662 98 , 012 104 , 362 110 , 712
8 , 8 11 , 8 15 , 25
60 ( 3 ) 64 ( 3 ) 68 ( 3 )
1 , 5
20 , 5
6 6
58 62
60 °
1 , 5 1 , 5 1 , 5
19 21
1 , 5
22 , 5
D ryseal N ational P ipe T hread NPTF - ANSI B1 . 20 . 3
24 , 5 28 , 25 30 , 75 35 , 5 39 , 5 41 , 9 45 , 25
P
N r. 10 N r. 12
1 , 5
23 , 5
60 °
1 "
2
23
P itch [ TPI ]
D rill size** [mm] D 1
D
t 1 [mm]
1 / 4 " 5 / 16 " 3 / 8 " 7 / 16 " 1 / 2 " 9 / 16 " 5 / 8 " 3 / 4 " 7 / 8 " 1 1 / 8 " 1 1 / 4 " 1 3 / 8 " 1 1 / 2 " 1 "
5 , 5 6 , 9 8 , 5 9 , 9
1 1 / 8 " 1 1 / 4 " 1 3 / 8 " 1 1 / 2 " 1 3 / 4 " 2 1 / 4 " 2 3 / 8 " 2 1 / 2 " 2 3 / 4 " 2 " 3 1 / 4 " 3 1 / 2 " 3 3 / 4 " 3 "
P
1 , 5
24 , 5
55 °
1
26
1 / 16 " 1 / 8 " 1 / 4 " 3 / 8 " 1 / 2 " 3 / 4 " 1 1 / 4 " 1 1 / 2 " 1 "
27 27 18 18 14 14
6 , 15 8 , 5
12 12
1 , 5
25 , 5
ISO M etric C oarse T hread DIN 8140 - 2
2 1 2 1 2 3
25 27 26 29 28 27
11 , 5 12 , 9 14 , 5 17 , 5
51 57
11
17 , 5 17 , 6 22 , 9 27 , 4 28 , 1 28 , 4 28 , 4 23
W hitworth P ipe T hread EN - ISO 228
14 , 5 17 , 8
1 , 5
26 , 5
63 , 3
D rill size* [mm]
D
67
23 29
P itch [ TPI ]
D rill size [mm]
20 , 4 23 , 25 26 , 5 29 , 5 32 , 75
72 , 8 79 , 1 85 , 5 91 , 5
11 , 5 11 , 5 11 , 5 11 , 5
D
1 , 5
28 , 5
EG - M 3
3 , 15 4 , 2 5 , 25 6 , 3
37 , 8 43 , 8
4 5 6 8
G 1 / 8 "
28 19 19 14 14 11
9 , 25 ± 0 , 05 12 , 50 ± 0 , 05 16 , 00 ± 0 , 05 20 , 00 ± 0 , 05 25 , 50 ± 0 , 05 32 , 00 ± 0 , 05
2 "
56
1 , 5
30 , 5
1 / 4 " 3 / 8 " 1 / 2 " 3 / 4 "
98
2
30
8 , 4 10 , 5 12 , 5 14 , 5 16 , 5
36
104
1 , 5
31 , 5
** F or conical threads conical drill pre-holes are recommended. P lease see tables in the general catalogue.
10 12 14 16
4 "
110 , 5
2 3
31 30
1 "
P
1 , 5 1 , 5
33 , 5 34 , 5
60 °
P
55 °
2 3
34 33
1 , 5 1 , 5
36 , 5 37 , 5
8 - UN T hread ASME B1 . 1
R p T hread ( BSPP ) DIN EN 10226 - 1
2 3 2 3 2 3 2 3 2 3 2 3 2 3
37 36 38 37 40 39 43 42 46 45 48 47 50 49
M aximum core diam. (tol. 3B ) [mm] D 1
D rill size* [mm]
D P itch [ TPI ]
1 , 5
38 , 5
D rill size* [mm]
M aximum core diam. [mm] D 1
D P itch [ TPI ]
1 1 / 8 " 1 1 / 4 " 1 3 / 8 " 1 1 / 2 " 1 5 / 8 " 1 3 / 4 " 1 7 / 8 "
8 8 8 8 8 8 8 8
25 , 519 28 , 694 31 , 869 35 , 044 38 , 219 41 , 394 44 , 569 47 , 744
25 , 4 28 , 6 31 , 8 35 , 0 38 , 1 41 , 3 44 , 5 47 , 7
1 , 5
40 , 5
1 / 8 ” 1 / 4 ” 3 / 8 ” 1 / 2 ” 3 / 4 ”
28 19 19 14 14
8 , 637 11 , 549 15 , 054 18 , 773 24 , 259
8 , 60 11 , 50 15 , 00 18 , 50 24 , 00
1 , 5
43 , 5
1 , 5
46 , 5
2 "
(*) D rill size according to DIN 336
(*) D rill size according to DIN 336
1 , 5
48 , 5
1 , 5
50 , 5
(*) D rill size according to DIN 336 ( 1 ) T olerance 5H ( 2 ) T olerance 4H ( 3 ) S ize not included in DIN 336
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