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Kato STI Taps Specifications
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Please select the thread type
below, or you can scroll through the list:
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Nominal
Thread
Size |
Tap
Dimensions |
Number
of Flutes |
|
Length
Overall "A" |
Length
of Thread "B" |
Length
of Square "C" |
Diameter
of Shank
"D" |
Size
of Square |
Finishing
Plug & Bottoming |
Spiral
Point Plug |
Spiral
Flute Bottoming |
Style* |
|
Unified Coarse |
| 2-56 |
1-7/8 |
9/16 |
3/16 |
0.141 |
0.110 |
3 |
2 |
2 |
1 |
| 3-48 |
1-15/16 |
5/8 |
3/16 |
0.141 |
0.110 |
3 |
2 |
2 |
1 |
| 4-40 |
2 |
11/16 |
3/16 |
0.141 |
0.110 |
3 |
2 |
2 |
1 |
| 5-40 |
2-1/8 |
3/4 |
1/4 |
0.168 |
0.131 |
3 |
2 |
3 |
1 |
| 6-32 |
2-3/8 |
7/8 |
1/4 |
0.194 |
0.152 |
3 |
2 |
3 |
1 |
| 8-32 |
2-3/8 |
15/16 |
9/32 |
0.220 |
0.165 |
3 |
2 |
3 |
1 |
| 10-24 |
2-1/2 |
1 |
5/16 |
0.255 |
0.191 |
3 |
2 |
3 |
2 |
| 12-24 |
2-23/32 |
1-1/8 |
3/8 |
0.318 |
0.238 |
3 |
2 |
3 |
2 |
| 1/4-20 |
2-23/32 |
1-1/8 |
3/8 |
0.318 |
0.238 |
3 |
2 |
3 |
2 |
| 5/16-18 |
2-15/16 |
1-1/4 |
7/16 |
0.381 |
0.286 |
3 |
3 |
3 |
2 |
| 3/8-16 |
3-3/8 |
1-21/32 |
7/16 |
0.367 |
0.275 |
4 |
3 |
3 |
3 |
| 7/16-14 |
3-19/32 |
1-21/32 |
1/2 |
0.429 |
0.322 |
4 |
3 |
4 |
3 |
| 1/2-13 |
3-13/16 |
1-13/16 |
9/16 |
0.480 |
0.360 |
4 |
3 |
4 |
3 |
| 9/16-12 |
4-1/32 |
1-13/16 |
5/8 |
0.542 |
0.406 |
4 |
-- |
-- |
3 |
| 5/8-11 |
4-1/4 |
2 |
11/16 |
0.590 |
0.442 |
4 |
-- |
-- |
3 |
| 3/4-10 |
4-11/16 |
2-7/32 |
3/4 |
0.697 |
0.523 |
4 |
-- |
-- |
3 |
| 7/8-9 |
5-1/8 |
2-1/2 |
13/16 |
0.800 |
0.600 |
4 |
-- |
-- |
3 |
| 1-8 |
5-3/4 |
2-9/16 |
1 |
1.021 |
0.766 |
4 |
-- |
-- |
3 |
| 1 1/8-7 |
6-1/16 |
3 |
1-1/6 |
1.108 |
0.831 |
4 |
-- |
-- |
3 |
| 1 1/4-7 |
6-3/8 |
3 |
1-1/8 |
1.233 |
0.925 |
4 |
-- |
-- |
3 |
| 1 3/8-6 |
6-11/16 |
3-3/16 |
1-/18 |
1.305 |
0.979 |
4 |
-- |
-- |
3 |
| 1 1/2-6 |
7 |
3-3/16 |
1-1/4 |
1.430 |
1.072 |
6 |
-- |
-- |
3 |
|
Unified
Fine |
| 3-56 |
1-15/16 |
5/8 |
3/16 |
0.141 |
0.110 |
3 |
2 |
2 |
1 |
| 4-48 |
2 |
11/16 |
3/16 |
0.141 |
0.110 |
3 |
2 |
2 |
1 |
| 6-40 |
2-1/8 |
3/4 |
1/4 |
0.168 |
0.131 |
3 |
2 |
3 |
1 |
| 8-36 |
2-3/8 |
15/16 |
9/32 |
0.220 |
0.165 |
3 |
2 |
3 |
1 |
| 10-32 |
2-1/2 |
1 |
5/16 |
0.255 |
0.191 |
3 |
2 |
3 |
2 |
| 1/4-28 |
2-23/32 |
1-1/8 |
3/8 |
0.318 |
0.238 |
3 |
2 |
3 |
2 |
| 5/16-24 |
2-15/16 |
1-1/4 |
7/16 |
0.381 |
0.286 |
4 |
3 |
3 |
3 |
| 3/8-24 |
3-5/32 |
1-7/16 |
13/32 |
0.323 |
0.286 |
4 |
3 |
3 |
3 |
| 7/16-20 |
3-3/8 |
1-21/32 |
7/16 |
0.367 |
0.275 |
4 |
3 |
3 |
3 |
| 1/2-20 |
3-19/32 |
1-21/32 |
1/2 |
0.429 |
0.322 |
4 |
3 |
4 |
3 |
| 9/16-18 |
3-13/16 |
1-13/16 |
9/16 |
0.480 |
0.360 |
4 |
-- |
-- |
3 |
| 5/8-18 |
4-1/32 |
1-13/16 |
5/8 |
0.542 |
0.406 |
4 |
-- |
-- |
3 |
| 3/4-16 |
4-15/32 |
2 |
11/16 |
0.652 |
0.489 |
4 |
-- |
-- |
3 |
| 7/8-14 |
5-1/8 |
2-1/2 |
13/16 |
0.800 |
0.600 |
4 |
-- |
-- |
3 |
| 1-12 |
5-7/16 |
2-9/16 |
7/8 |
0.896 |
0.672 |
4 |
-- |
-- |
3 |
| 1 1/8-12 |
5-3/4 |
2-9/16 |
1 |
1.021 |
0.766 |
4 |
-- |
-- |
3 |
| 1 1/4-12 |
6-1/16 |
3 |
1-1/16 |
1.108 |
0.831 |
6 |
-- |
-- |
3 |
| 1 3/8-12 |
6-3/8 |
3 |
1-1/8 |
1.233 |
0.925 |
6 |
-- |
-- |
3 |
| 1 1/2-12 |
6-11/16 |
3-3/16 |
1-1/8 |
1.305 |
0.979 |
6 |
-- |
-- |
3 |
|
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| Nominal Thread Size |
Tap
Dimensions |
Number
of Flutes |
|
Length
Overall "A" |
Length
of Thread "B" |
Length
of Square "C" |
Diameter
of Shank
"D" |
Size
of Square |
Finishing
Plug & Bottoming |
Spiral
Point Plug |
Spiral
Flute Bottoming |
Style* |
|
Metric Coarse Series |
|
M2.2X0.45 |
47.62 |
14.29 |
4.76 |
3.580 |
2.790 |
3 |
2 |
2 |
1 |
|
M2.5X0.45 |
49.21 |
15.88 |
4.76 |
3.580 |
2.790 |
3 |
2 |
2 |
1 |
|
M3X0.5 |
50.80 |
17.46 |
4.76 |
3.580 |
2.790 |
3 |
2 |
2 |
1 |
|
M3.5X0.6 |
53.98 |
19.05 |
6.35 |
4.270 |
3.330 |
3 |
2 |
3 |
1 |
|
M4X0.7 |
60.32 |
22.22 |
6.35 |
4.930 |
3.860 |
3 |
2 |
3 |
1 |
|
M5X0.8 |
63.50 |
25.40 |
7.94 |
6.480 |
4.850 |
3 |
2 |
3 |
2 |
|
M6X1 |
69.06 |
28.58 |
9.52 |
8.080 |
3.040 |
4 |
2 |
3 |
2 |
|
M7X1 |
74.61 |
31.75 |
11.11 |
9.680 |
7.260 |
4 |
3 |
3 |
2 |
|
M8X1.25 |
74.61 |
31.75 |
11.11 |
9.680 |
7.260 |
4 |
3 |
3 |
2 |
|
M10X1.5 |
85.72 |
42.07 |
11.11 |
9.320 |
6.980 |
4 |
3 |
3 |
3 |
|
M12X1.75 |
91.28 |
42.07 |
12.70 |
10.900 |
8.180 |
4 |
3 |
4 |
3 |
|
M14X2 |
102.39 |
46.04 |
15.88 |
13.770 |
10.310 |
4 |
3 |
-- |
3 |
|
M16X2 |
107.95 |
50.80 |
17.46 |
14.990 |
11.230 |
4 |
3 |
-- |
3 |
|
M18X2.5 |
119.06 |
56.36 |
19.05 |
17.700 |
13.280 |
4 |
-- |
-- |
3 |
|
M20X2.5 |
124.62 |
56.36 |
19.05 |
19.300 |
14.480 |
4 |
-- |
-- |
3 |
|
M22X2.5 |
130.18 |
63.50 |
20.64 |
20.320 |
15.240 |
4 |
-- |
-- |
3 |
|
M24X3 |
138.11 |
65.09 |
22.22 |
22.760 |
17.070 |
4 |
-- |
-- |
3 |
|
M27X3 |
146.05 |
65.09 |
25.40 |
25.980 |
19.460 |
4 |
-- |
-- |
3 |
|
M30X3.5 |
153.99 |
76.20 |
26.99 |
28.140 |
21.110 |
4 |
-- |
-- |
3 |
|
M33X3.5 |
161.92 |
76.20 |
28.58 |
31.320 |
23.500 |
6 |
-- |
-- |
3 |
|
M36X4 |
177.80 |
80.96 |
31.75 |
36.320 |
27.230 |
6 |
-- |
-- |
3 |
|
M39X4 |
177.80 |
80.96 |
31.75 |
36.320 |
27.230 |
6 |
-- |
-- |
3 |
|
Metric
Fine Series |
|
M8X1 |
74.61 |
31.75 |
11.11 |
9.680 |
7.260 |
4 |
3 |
3 |
3 |
|
M10X1 |
80.71 |
36.51 |
10.32 |
8.200 |
6.150 |
4 |
3 |
3 |
3 |
|
M10X1.25 |
85.72 |
42.07 |
11.11 |
9.320 |
6.980 |
4 |
3 |
3 |
3 |
|
M12X1.25 |
91.28 |
42.07 |
12.70 |
10.900 |
8.180 |
4 |
3 |
4 |
3 |
|
M12X1.5 |
91.28 |
42.07 |
12.70 |
10.900 |
8.180 |
4 |
3 |
4 |
3 |
|
M14X1.5 |
96.84 |
46.04 |
14.26 |
12.190 |
9.140 |
4 |
3 |
4 |
3 |
|
M16X1.5 |
107.95 |
50.80 |
17.46 |
14.990 |
11.230 |
4 |
3 |
-- |
3 |
|
M18X1.5 |
113.51 |
50.80 |
17.46 |
16.560 |
12.420 |
4 |
-- |
-- |
3 |
|
M20X1.5 |
119.06 |
56.36 |
19.05 |
17.700 |
13.280 |
4 |
-- |
-- |
3 |
|
M22X1.5 |
130.18 |
63.50 |
20.64 |
20.320 |
15.240 |
4 |
-- |
-- |
3 |
|
M18X2 |
113.51 |
50.80 |
17.46 |
16.560 |
12.420 |
4 |
-- |
-- |
3 |
|
M20X2 |
124.62 |
56.36 |
19.05 |
19.300 |
14.480 |
4 |
-- |
-- |
3 |
|
M22X2 |
130.18 |
63.50 |
20.64 |
20.320 |
15.240 |
4 |
-- |
-- |
3 |
|
M24X2 |
130.18 |
63.50 |
22.22 |
22.760 |
17.070 |
4 |
-- |
-- |
3 |
|
M27X2 |
138.11 |
65.09 |
25.40 |
25.930 |
19.460 |
4 |
-- |
-- |
3 |
|
M30X2 |
146.05 |
65.09 |
26.99 |
28.140 |
21.110 |
6 |
-- |
-- |
3 |
|
M33X2 |
153.99 |
76.20 |
28.58 |
31.320 |
23.500 |
6 |
-- |
-- |
3 |
|
M36X2 |
169.86 |
80.96 |
28.58 |
33.150 |
24.870 |
6 |
-- |
-- |
3 |
|
M39X2 |
177.80 |
80.96 |
31.75 |
36.320 |
27.230 |
6 |
-- |
-- |
3 |
|
M36X3 |
169.86 |
80.96 |
28.58 |
33.150 |
24.870 |
6 |
-- |
-- |
3 |
|
M39X3 |
177.80 |
80.96 |
31.75 |
36.200 |
27.230 |
6 |
-- |
-- |
3 |
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