System of Measurement
Bore Dia
Bore Dia
0.3125"
0.375"
0.4375"
0.4719"
0.4992"
0.5"
0.5625"
0.5901"
0.625"
0.6294"
0.635"
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"
15 mm
17 mm
20 mm
24 mm
25 mm
25.413 mm
27 mm
30 mm
35 mm
38 mm
39 mm
40 mm
45 mm
47.5 mm
48.6 mm
50 mm
50.815 mm
52 mm
55 mm
60 mm
65 mm
70 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
130 mm
139.7 mm
140 mm
150 mm
160 mm
170 mm
177.8 mm
180 mm
190 mm
198.438 mm
200 mm
206.375 mm
220 mm
220.662 mm
228.6 mm
240 mm
241 mm
241.478 mm
244.475 mm
254 mm
260 mm
260.35 mm
266.7 mm
269.875 mm
276.225 mm
279.4 mm
279.578 mm
280 mm
285.75 mm
288.925 mm
292.1 mm
300 mm
300.038 mm
304.648 mm
304.8 mm
304.902 mm
310 mm
317.5 mm
320 mm
330.2 mm
330.302 mm
333.375 mm
340 mm
343.052 mm
346.075 mm
347.662 mm
355.6 mm
360 mm
368.249 mm
368.3 mm
371.475 mm
380 mm
384.175 mm
385.762 mm
395 mm
400 mm
406.4 mm
409.575 mm
415.925 mm
431.8 mm
440 mm
447.675 mm
450 mm
457.2 mm
460 mm
475 mm
479.425 mm
482.6 mm
489.026 mm
490 mm
498.475 mm
500 mm
501.65 mm
510 mm
520.7 mm
530 mm
536.575 mm
540 mm
558.8 mm
560 mm
571.5 mm
584.2 mm
585.788 mm
595.312 mm
602.945 mm
603.25 mm
609.6 mm
620 mm
625 mm
630 mm
650 mm
660 mm
660.4 mm
676 mm
679.45 mm
680 mm
685.8 mm
708.025 mm
710 mm
711.2 mm
717.55 mm
723.9 mm
730.25 mm
750 mm
762 mm
774.962 mm
785 mm
825.5 mm
863.6 mm
877.888 mm
914.4 mm
928 mm
930 mm
938.212 mm
1001 mm
1070.001 mm
1160 mm
1250 mm
1300 mm
Outer Dia
1.2"
1.2595"
1.375"
1.3775"
1.4375"
1.438"
1.5"
1.57"
1.5741"
1.5745"
1.5748"
1.625"
1.6563"
1.6875"
1.75"
1.77"
1.781"
1.81"
1.8104"
1.8494"
1.8497"
1.85"
1.8504"
1.8906"
1.9349"
1.9352"
1.938"
1.9687"
1.98"
2"
2.0467"
2.047"
2.0472"
2.0625"
2.0787"
2.082"
2.094"
2.125"
2.1875"
2.24"
2.25"
2.3125"
2.3145"
2.318"
2.328"
2.3415"
2.3437"
2.3612"
2.375"
2.4375"
2.4399"
2.4402"
2.4404"
2.4409"
2.4843"
2.5"
2.5000"
2.5312"
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"
9.4478"
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"
40 mm
42 mm
47 mm
52 mm
55 mm
58.513 mm
60 mm
62 mm
63 mm
68 mm
72 mm
72.014 mm
75 mm
80 mm
82 mm
84 mm
85 mm
88 mm
90 mm
95 mm
100 mm
105 mm
110 mm
115 mm
120 mm
125 mm
130 mm
135 mm
140 mm
141 mm
145 mm
150 mm
155 mm
160 mm
165 mm
170 mm
175 mm
180 mm
185 mm
190 mm
195 mm
200 mm
200.025 mm
205 mm
210 mm
215 mm
220 mm
225 mm
230 mm
240 mm
241 mm
247.65 mm
250 mm
255 mm
260 mm
270 mm
280 mm
282.575 mm
284.162 mm
290 mm
295 mm
300 mm
310 mm
314.325 mm
320 mm
327.025 mm
338 mm
340 mm
349.148 mm
355.6 mm
358.775 mm
360 mm
380 mm
380.898 mm
381 mm
393.7 mm
400 mm
406.4 mm
412.648 mm
420 mm
422.275 mm
430 mm
438.023 mm
438.048 mm
440 mm
444.5 mm
447.675 mm
457.098 mm
460 mm
469.9 mm
480 mm
482.6 mm
488.95 mm
500 mm
501.65 mm
510 mm
514.35 mm
523.875 mm
539.75 mm
540 mm
545 mm
546.1 mm
546.151 mm
560 mm
562 mm
565.15 mm
571.5 mm
580 mm
590 mm
590.55 mm
595 mm
596.9 mm
600 mm
606 mm
610 mm
615.95 mm
625 mm
634.873 mm
635 mm
647.7 mm
650 mm
655 mm
670 mm
679.45 mm
680 mm
690 mm
700 mm
711.2 mm
730.326 mm
736.6 mm
736.676 mm
761.873 mm
762 mm
771.525 mm
787.4 mm
800 mm
812.8 mm
813.562 mm
815 mm
820 mm
844.55 mm
850 mm
857.25 mm
876 mm
876.3 mm
900 mm
901.7 mm
910 mm
914.4 mm
920 mm
930 mm
930.275 mm
946.15 mm
950 mm
965.2 mm
1010 mm
1016 mm
1030 mm
1035.05 mm
1060 mm
1066.8 mm
1070 mm
1130 mm
1130.3 mm
1168.4 mm
1219.1 mm
1220 mm
1270 mm
1360 mm
1399.997 mm
1500 mm
1540 mm
1720 mm