System of Measurement
Bore Dia
Bore Dia
0.125"
0.1563"
0.1875"
0.25"
0.3125"
0.375"
0.4375"
0.4719"
0.4992"
0.5"
0.5625"
0.5901"
0.625"
0.6294"
0.635"
0.6667"
0.669"
0.6693"
0.6872"
0.6875"
0.695"
0.7082"
0.7087"
0.748"
0.7482"
0.75"
0.76"
0.7869"
0.7874"
0.812"
0.8121"
0.8125"
0.8437"
0.8656"
0.875"
0.885"
0.89"
0.905"
0.9375"
0.938"
0.947"
0.96"
0.9835"
0.9843"
0.9905"
0.995"
1"
1.01"
1.0148"
1.0231"
1.0298"
1.03"
1.062"
1.0625"
1.072"
1.1019"
1.125"
1.135"
1.1417"
1.1562"
1.18"
1.1806"
1.1811"
1.1855"
1.1875"
1.188"
1.1895"
1.19"
1.1975"
1.2093"
1.2187"
1.245"
1.25"
1.2593"
1.2598"
1.26"
1.2808"
1.3125"
1.37"
1.375"
1.377"
1.3775"
1.378"
1.3787"
1.383"
1.385"
1.39"
1.4058"
1.4062"
1.435"
1.4365"
1.4375"
1.447"
1.4961"
1.5"
1.508"
1.51"
1.515"
1.5156"
1.5625"
1.573"
1.574"
1.5743"
1.5748"
1.584"
1.5906"
1.5938"
1.6137"
1.625"
1.635"
1.6535"
1.6563"
1.687"
1.6875"
1.688"
1.6924"
1.6929"
1.75"
1.7568"
1.76"
1.7665"
1.771"
1.7712"
1.7717"
1.7807"
1.781"
1.7812"
1.7907"
1.796"
1.802"
1.8105"
1.8125"
1.822"
1.875"
1.885"
1.906"
1.929"
1.9375"
1.9675"
1.9678"
1.968"
1.9685"
2"
2.01"
2.0312"
2.0472"
2.0625"
2.072"
2.125"
2.1452"
2.158"
2.1649"
2.1654"
2.1656"
2.184"
2.1875"
2.188"
2.195"
2.25"
2.265"
2.2651"
2.2827"
2.3125"
2.3437"
2.3575"
2.3595"
2.3611"
2.3613"
2.3617"
2.3622"
2.375"
2.4375"
2.44"
2.47"
2.4995"
2.5"
2.51"
2.5575"
2.5576"
2.558"
2.5586"
2.5591"
2.5625"
2.5938"
2.5979"
2.624"
2.625"
2.6875"
2.75"
2.7525"
2.754"
2.7554"
2.7559"
2.781"
2.8115"
2.8125"
2.8375"
2.875"
2.9062"
2.9375"
2.9518"
2.9523"
2.9528"
2.9916"
2.9921"
3"
3.01"
3.0455"
3.0625"
3.0938"
3.125"
3.1486"
3.149"
3.1496"
3.1875"
3.2165"
3.25"
3.2813"
3.3125"
3.3455"
3.3465"
3.3475"
3.375"
3.4375"
3.463"
3.5"
3.5075"
3.539"
3.54"
3.5423"
3.5425"
3.543"
3.5433"
3.5625"
3.5965"
3.621"
3.625"
3.6875"
3.7381"
3.7392"
3.7395"
3.7402"
3.75"
3.8125"
3.875"
3.906"
3.933"
3.9353"
3.936"
3.9362"
3.9363"
3.937"
3.9375"
3.9453"
4"
4.02"
4.0625"
4.125"
4.1875"
4.2116"
4.25"
4.3125"
4.3288"
4.3297"
4.3301"
4.3302"
4.3304"
4.3307"
4.3438"
4.375"
4.4"
4.4062"
4.5"
4.5266"
4.5276"
4.531"
4.625"
4.6875"
4.7224"
4.7227"
4.723"
4.7234"
4.7244"
4.75"
4.875"
4.919"
4.933"
4.9985"
4.9995"
5"
5.0312"
5.062"
5.0625"
5.1168"
5.1171"
5.1181"
5.1183"
5.125"
5.187"
5.25"
5.314"
5.375"
5.4995"
5.5"
5.5105"
5.5108"
5.5118"
5.625"
5.687"
5.6875"
5.75"
5.8125"
5.875"
5.9042"
5.9045"
5.905"
5.9055"
5.933"
5.9375"
5.984"
5.9995"
6"
6.0625"
6.125"
6.187"
6.1875"
6.25"
6.296"
6.2973"
6.2992"
6.312"
6.375"
6.4951"
6.4995"
6.5"
6.5354"
6.5625"
6.612"
6.625"
6.627"
6.6919"
6.6923"
6.6929"
6.75"
6.8745"
6.875"
6.9375"
6.9995"
7"
7.0313"
7.0625"
7.084"
7.0856"
7.0866"
7.2047"
7.25"
7.375"
7.47"
7.4803"
7.4834"
7.499"
7.5"
7.529"
7.5625"
7.625"
7.6762"
7.75"
7.872"
7.873"
7.874"
7.875"
7.906"
7.9375"
7.9958"
8"
8.0015"
8.006"
8.011"
8.031"
8.0625"
8.125"
8.25"
8.375"
8.5"
8.52"
8.532"
8.625"
8.6602"
8.6604"
8.6875"
8.696"
8.75"
8.8125"
8.875"
8.95"
8.992"
8.9945"
9"
9.0625"
9.125"
9.246"
9.25"
9.255"
9.265"
9.3125"
9.3437"
9.493"
9.497"
9.5"
9.507"
9.5938"
9.625"
9.75"
9.813"
9.875"
9.9258"
9.97"
9.999"
10"
10.063"
10.1"
10.125"
10.1875"
10.2362"
10.25"
10.3533"
10.375"
10.4321"
10.4945"
10.5"
10.625"
10.75"
10.8268"
10.875"
11"
11.007"
11.0229"
11.0236"
11.0312"
11.25"
11.375"
11.4163"
11.5"
11.75"
11.81"
11.8125"
11.875"
11.9375"
11.994"
11.999"
12"
12.004"
12.0079"
12.0092"
12.0093"
12.01"
12.014"
12.2"
12.3125"
12.375"
12.47"
12.5"
12.625"
12.75"
12.8125"
12.9219"
12.987"
12.988"
13"
13.004"
13.1102"
13.125"
13.25"
13.3125"
13.4375"
13.5"
13.506"
13.51"
13.625"
13.6875"
13.75"
13.9375"
14"
14.031"
14.25"
14.498"
14.5"
14.5095"
14.625"
14.75"
14.875"
15"
15.125"
15.1875"
15.246"
15.5"
15.625"
15.875"
16"
16.125"
16.1875"
16.375"
16.5"
16.535"
16.75"
16.8125"
16.9375"
17"
17.004"
17.3219"
17.375"
17.5"
17.625"
17.75"
17.984"
17.995"
18"
18.5"
18.75"
18.875"
19"
19.239"
19.25"
19.253"
19.619"
19.625"
19.75"
20"
20.25"
20.5"
21"
21.125"
21.25"
21.5"
21.618"
21.625"
22"
22.5"
23"
23.0625"
23.5"
23.738"
23.926"
23.99"
23.992"
24"
24.25"
25"
25.4375"
25.9935"
26"
26.5"
26.75"
26.875"
27"
27.5"
27.875"
28"
28.5"
29"
29.5"
29.9183"
30"
30.5"
30.618"
31.5"
31.5625"
32.5"
32.9375"
33"
33.5"
33.75"
34"
34.252"
34.9213"
35"
37"
38.5"
40"
41.875"
42"
43"
45.5"
45.75"
48"
50"
53.25"
61.5"
66.5"
70.25"
2 mm
3 mm
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
12 mm
13 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
25.413 mm
26 mm
27 mm
28 mm
29 mm
30 mm
32 mm
33 mm
35 mm
37 mm
38 mm
39 mm
40 mm
42 mm
43 mm
45 mm
47 mm
47.5 mm
48 mm
48.6 mm
50 mm
50.815 mm
52 mm
55 mm
58 mm
60 mm
62 mm
63 mm
64 mm
65 mm
68 mm
70 mm
72 mm
73 mm
75 mm
80 mm
84 mm
85 mm
90 mm
95 mm
100 mm
105 mm
106 mm
110 mm
115 mm
120 mm
125 mm
127 mm
130 mm
135 mm
139.7 mm
140 mm
145 mm
150 mm
155 mm
160 mm
165 mm
165.1 mm
170 mm
175 mm
177.8 mm
180 mm
185 mm
190 mm
195 mm
198.438 mm
200 mm
206.375 mm
210 mm
220 mm
220.662 mm
228.6 mm
230 mm
240 mm
241 mm
241.478 mm
244.475 mm
250 mm
254 mm
260 mm
260.35 mm
265 mm
266.7 mm
269.875 mm
276.225 mm
279.4 mm
279.578 mm
280 mm
285 mm
285.75 mm
288.925 mm
292.1 mm
300 mm
300.038 mm
304.648 mm
304.8 mm
304.902 mm
305 mm
310 mm
317.5 mm
320 mm
330 mm
330.2 mm
330.302 mm
333.375 mm
340 mm
343.052 mm
346.075 mm
347.662 mm
350 mm
355.6 mm
356.67 mm
360 mm
368.249 mm
368.3 mm
370 mm
371.475 mm
380 mm
384.175 mm
385.762 mm
390 mm
395 mm
400 mm
406.4 mm
409.575 mm
410 mm
415 mm
415.925 mm
420 mm
431.5 mm
431.8 mm
440 mm
447.675 mm
450 mm
457.2 mm
460 mm
475 mm
479.425 mm
480 mm
482.6 mm
487.98 mm
489.026 mm
490 mm
498.475 mm
500 mm
501.65 mm
510 mm
520.7 mm
529.91 mm
530 mm
536.176 mm
536.575 mm
540 mm
550 mm
556 mm
558.8 mm
559.84 mm
560 mm
571.5 mm
584.2 mm
585.788 mm
595.312 mm
600 mm
602.945 mm
603.25 mm
606.667 mm
609.6 mm
620 mm
625 mm
630 mm
633.334 mm
640 mm
650 mm
660 mm
660.4 mm
670 mm
676 mm
679.45 mm
680 mm
685.8 mm
690 mm
700 mm
708.025 mm
710 mm
711.2 mm
717.55 mm
720 mm
723.9 mm
730.25 mm
750 mm
759 mm
760 mm
762 mm
774.962 mm
780 mm
785 mm
800 mm
820 mm
825.5 mm
850 mm
863.6 mm
877.888 mm
900 mm
914.4 mm
928 mm
930 mm
937.5 mm
938.212 mm
950 mm
1000 mm
1001 mm
1030 mm
1040 mm
1060 mm
1070.001 mm
1100 mm
1120 mm
1160 mm
1180 mm
1250 mm
1300 mm
1319.5 mm
1320 mm
1350 mm
1400 mm
1500 mm
1700 mm
1800 mm
Outer Dia
0.25"
0.2813"
0.3437"
0.4375"
0.5"
0.5625"
0.625"
0.6875"
0.688"
0.75"
0.8125"
0.813"
0.875"
0.9375"
0.938"
1"
1.0625"
1.125"
1.1875"
1.2"
1.25"
1.2595"
1.3125"
1.313"
1.375"
1.3775"
1.4375"
1.438"
1.5"
1.563"
1.57"
1.5741"
1.5745"
1.5748"
1.625"
1.6563"
1.6875"
1.688"
1.75"
1.77"
1.781"
1.81"
1.8104"
1.8494"
1.8497"
1.85"
1.8504"
1.875"
1.8906"
1.9349"
1.9352"
1.938"
1.9687"
1.98"
2"
2.0467"
2.047"
2.0472"
2.0625"
2.063"
2.0787"
2.082"
2.094"
2.125"
2.186"
2.1875"
2.188"
2.24"
2.25"
2.312"
2.3125"
2.3145"
2.318"
2.328"
2.3415"
2.3437"
2.3612"
2.375"
2.4375"
2.438"
2.4399"
2.4402"
2.4404"
2.4409"
2.4843"
2.5"
2.5000"
2.5312"
2.562"
2.5625"
2.5938"
2.5979"
2.615"
2.625"
2.6373"
2.6487"
2.6762"
2.6772"
2.6875"
2.688"
2.7148"
2.717"
2.745"
2.75"
2.7547"
2.8125"
2.8336"
2.8345"
2.8346"
2.8355"
2.836"
2.838"
2.8438"
2.844"
2.859"
2.8593"
2.874"
2.875"
2.879"
2.891"
2.906"
2.9375"
2.9518"
2.9523"
2.963"
2.965"
3"
3.0312"
3.0525"
3.0625"
3.123"
3.125"
3.1486"
3.149"
3.1496"
3.15"
3.151"
3.1562"
3.1875"
3.2187"
3.2273"
3.25"
3.265"
3.266"
3.27"
3.271"
3.28"
3.281"
3.3125"
3.336"
3.3438"
3.346"
3.3465"
3.365"
3.375"
3.4375"
3.4688"
3.4843"
3.499"
3.5"
3.5425"
3.543"
3.5433"
3.545"
3.548"
3.5625"
3.5817"
3.625"
3.6718"
3.672"
3.6875"
3.7188"
3.7392"
3.7402"
3.75"
3.7500"
3.8125"
3.8437"
3.875"
3.9062"
3.9362"
3.9368"
3.937"
3.9370"
3.938"
3.9385"
3.9386"
3.9843"
4"
4.0313"
4.0625"
4.0635"
4.125"
4.1250"
4.1333"
4.1339"
4.1563"
4.1875"
4.2188"
4.25"
4.29"
4.3125"
4.3287"
4.33"
4.3300"
4.3301"
4.3307"
4.333"
4.375"
4.3750"
4.4375"
4.468"
4.4995"
4.5"
4.5268"
4.5276"
4.5625"
4.59"
4.625"
4.6250"
4.7236"
4.7238"
4.7244"
4.726"
4.7343"
4.75"
4.7812"
4.8125"
4.875"
4.8750"
4.8809"
4.9213"
4.9233"
4.925"
4.9375"
5"
5.0625"
5.1159"
5.1171"
5.1174"
5.1181"
5.12"
5.125"
5.1875"
5.1959"
5.25"
5.3125"
5.314"
5.3143"
5.315"
5.3438"
5.3447"
5.375"
5.3750"
5.4375"
5.5"
5.51"
5.5111"
5.5115"
5.5118"
5.513"
5.515"
5.5938"
5.596"
5.625"
5.6875"
5.7077"
5.708"
5.75"
5.7864"
5.8125"
5.82"
5.8437"
5.875"
5.9033"
5.9045"
5.9055"
5.909"
6"
6.0000"
6.125"
6.1801"
6.1875"
6.25"
6.2987"
6.299"
6.2992"
6.303"
6.3125"
6.374"
6.375"
6.3750"
6.4857"
6.4951"
6.5"
6.5313"
6.5625"
6.5875"
6.625"
6.687"
6.6875"
6.6919"
6.75"
6.7812"
6.8125"
6.875"
6.9375"
6.9688"
7"
7.0079"
7.0716"
7.0856"
7.0866"
7.125"
7.1875"
7.25"
7.375"
7.4063"
7.4375"
7.479"
7.4803"
7.5"
7.5625"
7.625"
7.6722"
7.6762"
7.6875"
7.75"
7.873"
7.874"
7.875"
8"
8.062"
8.0938"
8.125"
8.187"
8.1875"
8.2627"
8.2677"
8.375"
8.4375"
8.4636"
8.4646"
8.5"
8.500"
8.5625"
8.6564"
8.6604"
8.687"
8.6875"
8.75"
8.8"
8.8125"
8.875"
8.9375"
9"
9.0551"
9.125"
9.25"
9.251"
9.261"
9.2894"
9.3125"
9.375"
9.4478"
9.4488"
9.5"
9.5625"
9.625"
9.6457"
9.75"
9.8375"
9.8415"
9.8425"
9.875"
9.9375"
10"
10.0384"
10.125"
10.1875"
10.2352"
10.25"
10.2812"
10.4375"
10.5"
10.5625"
10.622"
10.625"
10.75"
10.875"
10.878"
11"
11.0236"
11.125"
11.1875"
11.25"
11.3125"
11.375"
11.4163"
11.417"
11.4177"
11.4964"
11.5"
11.625"
11.75"
11.811"
11.8125"
11.875"
11.878"
12"
12.125"
12.1875"
12.25"
12.375"
12.4375"
12.5"
12.562"
12.5625"
12.597"
12.5975"
12.5984"
12.625"
12.75"
12.7500"
12.7933"
12.8125"
12.875"
12.938"
13"
13.125"
13.25"
13.375"
13.4132"
13.5"
13.562"
13.625"
13.6875"
13.746"
13.75"
13.7775"
13.8125"
13.875"
13.9375"
13.9744"
13.996"
14"
14.063"
14.125"
14.155"
14.1732"
14.25"
14.372"
14.375"
14.5"
14.562"
14.75"
14.961"
14.996"
15"
15.125"
15.5"
15.746"
15.747"
15.75"
15.875"
15.9429"
15.97"
16"
16.0216"
16.141"
16.246"
16.25"
16.375"
16.5"
16.625"
16.75"
16.875"
16.997"
17"
17.245"
17.246"
17.25"
17.3208"
17.375"
17.5"
17.625"
17.655"
17.75"
17.996"
18"
18.125"
18.5"
18.75"
18.8125"
18.875"
18.8956"
18.998"
19"
19.248"
19.25"
19.5"
19.625"
19.683"
19.75"
20"
20.25"
20.5"
20.5625"
20.625"
21"
21.25"
21.5"
21.625"
21.75"
22"
22.25"
22.31"
22.5"
22.5625"
22.625"
23"
23.25"
23.5"
23.75"
23.9825"
23.997"
24"
24.25"
24.5"
24.995"
25"
25.5"
26"
26.5"
26.75"
26.996"
27"
27.25"
27.875"
27.9375"
28"
28.5"
28.746"
29"
29.995"
30"
30.375"
30.5"
30.875"
31"
31.25"
32"
32.25"
32.5"
33"
33.625"
33.6584"
33.75"
33.996"
34"
34.25"
34.5"
35"
35.495"
35.5"
36"
36.125"
36.625"
36.75"
37"
37.5"
38"
38.5"
38.5827"
39"
39.5"
41"
42"
43"
44.25"
44.5"
48"
49"
50"
50.5"
51"
52"
56.5"
58"
60"
71.125"
72.625"
79"
4.6 mm
5 mm
6 mm
6.5 mm
7 mm
8 mm
9 mm
10 mm
11 mm
12 mm
13 mm
14 mm
14.2 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
29 mm
30 mm
31 mm
31.25 mm
32 mm
33 mm
34 mm
34.7 mm
35 mm
36 mm
37 mm
38 mm
38.1 mm
39 mm
40 mm
41 mm
41.25 mm
42 mm
43 mm
44 mm
44.95 mm
45 mm
46 mm
47 mm
48 mm
48.1 mm
50 mm
50.5 mm
51 mm
52 mm
53 mm
53.95 mm
55 mm
57 mm
57.55 mm
58 mm
58.513 mm
58.95 mm
59 mm
60 mm
61 mm
62 mm
63 mm
63.95 mm
64.4 mm
65 mm
66 mm
68 mm
70 mm
70.8 mm
71.4 mm
71.8 mm
72 mm
72.014 mm
73 mm
74 mm
75 mm
76 mm
77.5 mm
77.55 mm
78 mm
78.8 mm
79 mm
80 mm
81 mm
82 mm
83 mm
84 mm
84.35 mm
84.4 mm
85 mm
86 mm
88 mm
89.4 mm
90 mm
90.55 mm
90.65 mm
92 mm
94.4 mm
95 mm
96 mm
97 mm
97.4 mm
98 mm
98.5 mm
100 mm
101.55 mm
103 mm
104.15 mm
105 mm
106 mm