Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)

Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)


107 0.00190
0.0483



68 0.03100
0.7874





0.00197
0.0500



>>> 1/32" 0.03125
0.7938




106 0.00230
0.0584



.80 mm 0.03150
0.8000



'
105 0.00270
0.0686



67 0.03200
0.8128




104 0.00310
0.0787



66 0.03300
0.8382




103 0.00350
0.0889



.85 mm 0.03346
0.8500




102 0.00390
0.0991



65 0.03500 #00-90 0.8890 0.05200 in




0.00394
0.1000



.90 mm 0.03543
0.9000




101 0.00430
0.1092



64 0.03600
0.9144




100 0.00470
0.1194



63 0.03700
0.9398




99 0.00510
0.1295



.95 mm 0.03740
0.9500




98 0.00550
0.1397



62 0.03800
0.9652




97 0.00590
0.1499



61 0.03900
0.9906




96 0.00630
0.1600



1.00 mm 0.03937
1.0000




95 0.00670
0.1702



60 0.04000
1.0160




94 0.00710
0.1803



59 0.04100
1.0414




93 0.00750
0.1905



1.05 mm 0.04134
1.0500




92 0.00790
0.2007



58 0.04200
1.0668




.2 mm 0.00787
0.2000



57 0.04300
1.0922




91 0.00830
0.2108



1.10 mm 0.04331
1.1000




90 0.00870
0.2210



1.15 mm 0.04528
1.1500




89 0.00910
0.2311



56 0.04650
1.1811




88 0.00950
0.2413



>>> 3/64" 0.04688 #0-80 1.1906 0.06350 in 0.07000 in


.25 mm 0.00984
0.2500



1.20 mm 0.04724
1.2000




87 0.01000
0.2540



1.25 mm 0.04921
1.2500




86 0.01050
0.2667



1.30 mm 0.05118
1.3000




85 0.01100
0.2794



55 0.05200
1.3208




84 0.01150
0.2921



1.35 mm 0.05315
1.3500




.30 mm 0.01181
0.3000



54 0.05500
1.3970




83 0.01200
0.3048



1.40 mm 0.05512
1.4000




82 0.01250
0.3175



1.45 mm 0.05709
1.4500




.32 mm 0.01260
0.3200



1.50 mm 0.05906
1.5000




81 0.01300
0.3302



53 0.05950 #1-64, #1-72 1.5113 0.07600 in 0.08100 in


80 0.01350
0.3429



1.55 mm 0.06102
1.5500




.35 mm 0.01378
0.3500



>>> 1/16" 0.06250
1.5875




.36 mm 0.01417
0.3600



1.60 mm 0.06299 M2×0.4 1.6000 2.2 mm



79 0.01449
0.3680



52 0.06350
1.6129




.38 mm 0.01496
0.3800



1.65 mm 0.06496
1.6500




>>> 1/64" 0.01563 #0000-160 0.3969 0.02400 in


1.70 mm 0.06693
1.7000




.40 mm 0.01575
0.4000



51 0.06700 #2-56 1.7018 0.08900 in 0.09600 in


78 0.01600
0.4064



1.75 mm 0.06890 M2.2×0.45 1.7500 2.25 mm



.42 mm 0.01654
0.4200



50 0.07000 #2-56, #2-64 1.7780 0.08900 in 0.09600 in


.44 mm 0.01732
0.4400



1.80 mm 0.07087
1.8000




.45 mm 0.01772
0.4500



1.85 mm 0.07283
1.8500




77 0.01800
0.4572



49 0.07300
1.8542




.46 mm 0.01811
0.4600



1.90 mm 0.07480
1.9000




.48 mm 0.01890
0.4800



48 0.07600
1.9304




.50 mm 0.01969
0.5000



1.95 mm 0.07677
1.9500




76 0.02000
0.5080



1.96 mm 0.07717 #3-48 1.9600 0.10400 in 0.11000 in 81

75 0.02100
0.5334



1.97 mm 0.07756 #3-48 1.9700 0.10400 in 0.11000 in 79

.55 mm 0.02165
0.5500



>>> 5/64" 0.07813 #3-48 1.9844 0.10400 in 0.11000 in 78

74 0.02250
0.5715



47 0.07850 #3-48 1.9939 0.10400 in 0.11000 in 76

.60 mm 0.02362
0.6000



2.00 mm 0.07874 #3-48 2.0000 0.10400 in 0.11000 in 75

73 0.02400
0.6096



2.01 mm 0.07913 #3-48 2.0100 0.10400 in 0.11000 in 74

72 0.02500
0.6350



2.02 mm 0.07953 #3-48 2.0200 0.10400 in 0.11000 in 72

.65 mm 0.02559
0.6500



2.03 mm 0.07992 #3-48 2.0300 0.10400 in 0.11000 in 71

71 0.02600 #000-120 0.6604 0.03700 in


2.04 mm 0.08031 #3-48
#3-56
2.0400 0.10400 in 0.11000 in 69
81


.70 mm 0.02756
0.7000



2.05 mm 0.08071 #3-48
#3-56
M2.5×0.45
2.0500 0.10400 in
 
0.11000 in
 
68
79
 


70 0.02800
0.7112



46 0.08100 #3-48
#3-56
2.0574 0.10400 in 0.11000 in 66
77


69 0.02920
0.7417



2.07 mm 0.08150 #3-48
#3-56
2.0700 0.10400 in 0.11000 in 65
75


.75 mm 0.02953
0.7500



45 0.08200 #3-48
#3-56
2.0828 0.10400 in 0.11000 in 66
74


Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)

Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)


2.09 mm 0.08228 #3-48
#3-56
2.0900 0.10400 in 0.11000 in 62
72

3.30 mm 0.12992 M4×0.7 3.3000 4.10 mm
75

2.10 mm 0.08268 #3-48
#3-56
2.1000 0.10400 in 0.11000 in 60
70

3.40 mm 0.13386
3.4000




2.11 mm 0.08307 #3-48
#3-56
2.1100 0.10400 in 0.11000 in 59
69

29 0.13600 #8-32 , #8-36 3.4544 0.16950 in 0.17700 in 69

2.12 mm 0.08346 #3-56 2.1200 0.10400 in 0.11000 in 67
3.50 mm 0.13780 M4×0.5 3.5000 4.10 mm
60

2.13 mm 0.08386 #3-56 2.1300 0.10400 in 0.11000 in 65
28 0.14050
3.5687




2.14 mm 0.08425 #3-56 2.1400 0.10400 in 0.11000 in 63
>>> 9/64" 0.14063
3.5719




2.15 mm 0.08465 #3-56
M2.5×0.35
2.1500 0.10400 in 0.11000 in 62
3.60 mm 0.14173
3.6000




2.16 mm 0.08504 #3-56 2.1600 0.10400 in 0.11000 in 60
27 0.14400
3.6576




2.17 mm 0.08543 #3-56 2.1700 0.10400 in 0.11000 in 59
3.70 mm 0.14567
3.7000




44 0.08600 #4-36 2.1844 0.11600 in 0.12850 in 81
26 0.14700
3.7338




2.19 mm 0.08622 #4-40 2.1900 0.11600 in 0.12850 in 81
3.75 mm 0.14764
3.7500




2.20 mm 0.08661 #4-40 2.2000 0.11600 in 0.12850 in 78
25 0.14950 #10-24 3.7973 0.19600 in 0.20100 in 75

2.21 mm 0.08701 #4-40 2.2100 0.11600 in 0.12850 in 77
3.80 mm 0.14961
3.8000




2.22 mm 0.08740 #4-40 2.2200 0.11600 in 0.12850 in 76
24 0.15200
3.8608




2.23 mm 0.08780 #4-40 2.2300 0.11600 in 0.12850 in 75
3.90 mm 0.15354
3.9000




2.24 mm 0.08819 #4-40 2.2400 0.11600 in 0.12850 in 73
23 0.15400
3.9116




2.25 mm 0.08858 #4-40 2.2500 0.11600 in 0.12850 in 72
>>> 5/32" 0.15625
3.9688




2.26 mm 0.08898 #4-40 2.2600 0.11600 in 0.12850 in 71
22 0.15700
3.9878




43 0.08900 #4-40 2.2606 0.11600 in 0.12850 in 71
4.00 mm 0.15748
4.0000




2.27 mm 0.08937 #4-40 2.2700 0.11600 in 0.12850 in 70
21 0.15900 #10-32 4.0386 0.1960 in 0.2010 in


2.28 mm 0.08976 #4-40 2.2800 0.11600 in 0.12850 in 68
20 0.16100
4.0894




2.29 mm 0.09016 #4-40
#4-48
2.2900 0.11600 in 0.12850 in 67
81

4.10 mm 0.16142
4.1000




2.30 mm 0.09055 #4-40
#4-48
2.3000 0.11600 in 0.12850 in 66
79

4.20 mm 0.16535 M5×0.8 4.2000 5.10 mm
75

2.31 mm 0.09094 #4-40
#4-48
2.3100 0.11600 in 0.12850 in 65
78

19 0.16600
4.2164




2.32 mm 0.09134 #4-40
#4-48
2.3200 0.11600 in 0.12850 in 64
76

4.25 mm 0.16732
4.2500




2.33 mm 0.09173 #4-40
#4-48
2.3300 0.11600 in 0.12850 in 63
75

4.30 mm 0.16929
4.3000




2.34 mm 0.09213 #4-40
#4-48
2.3400 0.11600 in 0.12850 in 61
74

18 0.16950
4.3053




2.35 mm 0.09252 #4-40
#4-48
2.3500 0.11600 in 0.12850 in 60
72

>>> 11/64" 0.17188
4.3656




42 0.09350 #4-48 2.3749 0.11600 in 0.12850 in 69
17 0.17300
4.3942




>>> 3/32" 0.09375
2.3813



4.40 mm 0.17323
4.4000




2.40 mm 0.09449
2.4000



16 0.17700 #12-24 4.4958 0.22100 in 0.22800 in 72

41 0.09600
2.4384



4.50 mm 0.17717
4.5000




2.45 mm 0.09646
2.4500



15 0.18000
4.5720




40 0.09800
2.4892



4.60 mm 0.18110
4.6000




2.50 mm 0.09843 M3×0.5 2.5000 3.2 mm
75
14 0.18200 #12-28 4.6228




39 0.09950 #5-40 2.5273 0.12850 in 0.13600 in 78
13 0.18500
4.6990




38 0.10150 #5-40 2.5781 0.12850 in 0.13600 in 72
4.70 mm 0.18504
4.7000




2.60 mm 0.10236
2.6000



4.75 mm 0.18701
4.7500




37 0.10400 #5-44 2.6416 0.12850 in 0.13600 in 71
>>> 3/16" 0.18750
4.7625




2.70 mm 0.10630
2.7000



4.80 mm 0.18898
4.8000




36 0.10650 #6-32 2.7051 0.14400 in 0.14950 in 77
12 0.18900
4.8006




2.75 mm 0.10827
2.7500



11 0.19100
4.8514




>>> 7/64" 0.10938
2.7781



4.90 mm 0.19291
4.9000




35 0.11000
2.7940



10 0.19350
4.9149




2.80 mm 0.11024
2.8000



9 0.19600
4.9784




34 0.11100
2.8194



5.00 mm 0.19685 M6×1.0 5.0000 6.10 mm
75

33 0.11300 #6-40 2.8702
0.1563 in

8 0.19900
5.0546




2.90 mm 0.11417 M3.5×0.6 2.9000



5.10 mm 0.20079
5.1000




32 0.11600
2.9464



7 0.20100 1⁄4-20 5.1054 0.25700 in 0.26600 in 72

3.00 mm 0.11811
3.0000



>>> 13/64" 0.20313
5.1594




31 0.12000 #6-48 3.0480



6 0.20400
5.1816




3.10 mm 0.12205
3.1000



5.20 mm 0.20472 M6×0.75 5.2000 6.10 mm
60

>>> 1/8" 0.12500
3.1750



5 0.20550
5.2197




3.20 mm 0.12598
3.2000



5.25 mm 0.20669
5.2500




3.25 mm 0.12795
3.2500



5.30 mm 0.20866
5.3000




30 0.12850
3.2639



4 0.20900
5.3086




Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)

Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)


5.40 mm 0.21260
5.4000



P 0.32300
8.2042




3 0.21300 1⁄4-28 5.4102 0.25700 in 0.26600 in 80
8.25 mm 0.32480
8.2500




5.50 mm 0.21654 1⁄4-28 5.5000 0.25700 in 0.26600 in 70
8.30 mm 0.32677
8.3000




>>> 7/32" 0.21875 1⁄4-28
1⁄4-32
(1⁄4-32 UNEF for glow plugs)
5.5563 0.25700 in 0.26600 in 68
>>> 21/64" 0.32813
8.3344




5.60 mm 0.22047 1⁄4-28 5.6000 0.25700 in 0.26600 in 63
8.40 mm 0.33071
8.4000




2 0.22100 1⁄4-28 5.6134 0.25700 in 0.26600 in 60
Q 0.33200 3⁄8-24 8.4328 0.38600 in 0.39700 in 79

5.70 mm 0.22441
5.7000



8.50 mm 0.33465 M10×1.5 8.5000




5.75 mm 0.22638
5.7500



8.60 mm 0.33858
8.6000




1 0.22800
5.7912



R 0.33900
8.6106




5.80 mm 0.22835
5.8000



8.70 mm 0.34252
8.7000




5.90 mm 0.23228
5.9000



>>> 11/32" 0.34375 NPT 1/8x27 8.7313




A 0.23400
5.9436



8.75 mm 0.34449 M10×1.25 8.7500




>>> 15/64" 0.23438
5.9531



8.80 mm 0.34646
8.8000




6.00 mm 0.23622
6.0000



S 0.34800
8.8392




B 0.23800
6.0452



8.90 mm 0.35039
8.9000




6.10 mm 0.24016 M7×1.0 6.1000

75
9.00 mm 0.35433 M10×1.0
(spark plug)
9.0000




C 0.24200
6.1468



T 0.35800
9.0932




6.20 mm 0.24409
6.2000



9.10 mm 0.35827
9.1000




D 0.24600
6.2484



>>> 23/64" 0.35938
9.1281




6.25 mm 0.24606
6.2500



9.20 mm 0.36220
9.2000




6.30 mm 0.24803
6.3000



9.25 mm 0.36417
9.2500




6.35 mm 0.25000
6.3500



9.30 mm 0.36614
9.3000




>>> 1/4"- E




U 0.36800 7⁄16-14 9.3472 0.45310 in 0.46870 in 75









9.40 mm 0.37008
9.4000




6.40 mm 0.25197
6.4000



9.50 mm 0.37402
9.5000




6.50 mm 0.25591 M7×0.5 6.5000



>>> 3/8" 0.37500
9.5250




F 0.25700 5⁄16-18 6.5278 0.32300 in 0.33200 in 77
V 0.37700
9.5758




6.60 mm 0.25984
6.6000



9.60 mm 0.37795
9.6000




G 0.26100
6.6294



9.70 mm 0.38189
9.7000




6.70 mm 0.26378
6.7000



9.75 mm 0.38386
9.7500




>>> 17/64" 0.26563 5⁄16-18 6.7469

74
9.80 mm 0.38583
9.8000




6.75 mm 0.26575
6.7500



W 0.38600
9.8044




H 0.26600
6.7564



9.90 mm 0.38976
9.9000




6.80 mm 0.26772
6.8000



>>> 25/64" 0.39063 7⁄16-20 9.9219 0.45313 in 0.46785 in 72

6.90 mm 0.27165 M8×1.25 6.9000

75
10.00 mm 0.39370
10.0000




I 0.27200 5⁄16-24 6.9088 0.32300 in 0.33200 in 75
X 0.39700
10.0838




7.00 mm 0.27559
7.0000



Y 0.40400
10.2616




J 0.27700 5⁄16-18 7.0358

50
>>> 13/32" 0.40625 7⁄16-40 10.3188




7.10 mm 0.27953 M8×1.0 7.1000

75
Z 0.41300
10.4902




K 0.28100
7.1374



10.50 mm 0.41339 M12×1.75 10.5000

75

>>> 9/32" 0.28125 5⁄16-32 7.1438



10.7 mm 0.42126 M12×1.5 10.7000

75

7.20 mm 0.28346
7.2000



>>> 27/64" 0.42188 1⁄2-13 10.7156 0.51563 in 0.53125 in 78

7.25 mm 0.28543
7.2500



10.9 mm 0.42913 M12×1.25
(spark plug)
10.9000




7.30 mm 0.28740
7.3000



11.00 mm 0.43307
11.0000




L 0.29000
7.3660



>>> 7/16" 0.43750 NPT 1/4x18 11.1125




7.40 mm 0.29134
7.4000



11.50 mm 0.45276
11.5000




M 0.29500
7.4930



>>> 29/64" 0.45313 1⁄2-20 11.5094 0.51563 in 0.53125 in 72

7.50 mm 0.29528
7.5000



>>> 15/32" 0.46875 9⁄16-12 11.9063 0.56250 in
87

>>> 19/64" 0.29688
7.5406



12.00 mm 0.47244
12.0000




7.60 mm 0.29921
7.6000



12.2 mm 0.48031 M14×2 12.2000

75

N 0.30200
7.6708



>>> 31/64" 0.48438 9⁄16-12 12.3031 0.56250 in
68

7.70 mm 0.30315
7.7000



12.50 mm 0.49213
12.5000




7.75 mm 0.30512
7.7500



12.7 mm 0.50000 9⁄16-18 12.7000 0.56250 in
87

7.80 mm 0.30709
7.8000



>>> 1/2" M14×1.5

75

7.90 mm 0.31102
7.9000



12.8 mm 0.50393 M14×1.25
(spark plug)
12.8000




>>> 5/16" 0.31250 3⁄8-16 7.9375 0.38600 in 0.39700 in 77
13.00 mm 0.51181
13.0000




8.00 mm 0.31496
8.0000



>>> 33/64" 0.51563 9⁄16-18 13.0969 0.56250 in
65

O 0.31600
8.0264



>>> 17/32" 0.53125 5⁄8-11 13.4938 0.62500 in
79

8.10 mm 0.31890
8.1000



13.50 mm 0.53150
13.5000




8.20 mm 0.32283
8.2000



>>> 35/64" 0.54688 5⁄8-11 13.8906 0.62500 in
66

Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)

Drill Size Decimal Equiv. Tap size MM Equivalent Clearance Close Fit Clearance Free Fit Thread
Depth (%)


14.00 mm 0.55118
14.0000



26.50 mm 1.04331
26.5000




14.2 mm 0.55906 M16×2 14.2000

75
>>> 1-3/64" 1.04688 1 1⁄8-12 26.5906

72

>>> 9/16" 0.56250 NTP 3/8x18 5⁄8-18 14.2875 0.62500 in
87
>>> 1-1/16" 1.06250
26.9875




14.50 mm 0.57087
14.5000



27.00 mm 1.06299
27.0000




>>> 37/64" 0.57813 5⁄8x18 NPT 3/8x18 14.6844 0.62500 in
65
>>> 1-5/64" 1.07813






14.7 mm 0.57874 M16×1.5 14.7000

75
27.50 mm 1.08268
27.5000




15.00 mm 0.59055
15.0000



>>> 1-3/32" 1.09375






>>> 19/32" 0.59375
15.0813



28.00 mm 1.10236
28.0000




>>> 39/64" 0.60938
15.4781



>>> 1-7/64" 1.10938 1 1⁄4-7 28.1781

76

15.50 mm 0.61024
15.5000



28.50 mm 1.12205
28.5000




>>> 5/8" 0.62500
15.8750



>>> 1-1/8" 1.12500 1 1⁄4-7 28.5750

67

16.00 mm 0.62992
16.0000



>>> 1-9/64" 1.14063






>>> 41/64" 0.64063 3⁄4-10 16.2719

84
29.00 mm 1.14173
29.0000




16.50 mm 0.64961
16.5000



>>> 1-5/32" 1.15625 1 1⁄4-12 29.3688

87

>>> 21/32" 0.65625 3⁄4-10 16.6688

72
29.50 mm 1.16142
29.5000




16.8 0.66141 M18×1.5
(spark plug)
16.8000



>>> 1-11/64" 1.17188 1 1⁄4-12 29.7656

72

17.00 mm 0.66929
17.0000



30.00 mm 1.18110
30.0000




>>> 43/64" 0.67188
17.0656



>>> 1-3/16" 1.18750 1 3⁄8-6 30.1625

87

>>> 11/16" 0.68750 3⁄4-16 17.4625

77
30.50 mm 1.20079
30.5000




17.50 mm 0.68898
17.5000



>>> 1-13/64" 1.20313 1 3⁄8-6 30.5594

79

>>> 45/64" 0.70313
17.8594



>>> 1-7/32" 1.21875 1 3⁄8-6 30.9563

72

18.00 mm 0.70866
18.0000



31.00 mm 1.22047
31.0000




>>> 23/32" 0.71875 NPT 1/2x14 18.2563



>>> 1-15/64" 1.23438 1 3⁄8-6 31.3531

65

18.50 mm 0.72835
18.5000



31.50 mm 1.24016
31.5000




>>> 47/64" 0.73438
18.6531



>>> 1-1/4" 1.25000






19.00 mm 0.74803
19.0000



32.00 mm 1.25984
32.0000




>>> 3/4" 0.75000 NTP 1/2x14 19.0500



>>> 1-17/64" 1.26563






>>> 49/64" 0.76563 7⁄8-9 19.4469

76
32.50 mm 1.27953
32.5000




19.50 mm 0.76772
19.5000



>>> 1-9/32" 1.28125 1 3⁄8-12 32.5438

87

>>> 25/32" 0.78125 7⁄8-9 19.8438

65
>>> 1-19/64" 1.29688 1 3⁄8-12 32.9406

72

20.00 mm 0.78740
20.0000



33.00 mm 1.29921
33.0000




>>> 51/64" 0.79688 7⁄8-14 20.2406

84
>>> 1-5/16" 1.31250 1 1⁄2-6 33.3375

87

20.50 mm 0.80709
20.5000



33.50 mm 1.31890
33.5000




>>> 13/16" 0.81250 7⁄8-14 20.6375

67
>>> 1-21/64" 1.32813 1 1⁄2-6 33.7344

79

21.00 mm 0.82677
21.0000



34.00 mm 1.33858
34.0000




>>> 53/64" 0.82813 7⁄8-18 NS
(spark plug)
21.0344



>>> 1-11/32" 1.34375 1 1⁄2-6 34.1313

72

>>> 27/32" 0.84375
21.4313



34.50 mm 1.35827
34.5000




21.50 mm 0.84646
21.5000



>>> 1-23/64" 1.35938 1 1⁄2-6 34.5281

65

>>> 55/64" 0.85938 1-8 21.8281

87
>>> 1-3/8" 1.37500






22.00 mm 0.86614
22.0000



35.00 mm 1.37795
35.0000




>>> 7/8" 0.87500 1-8 22.2250

77
>>> 1-25/64" 1.39063






22.50 mm 0.88583
22.5000



35.50 mm 1.39764
35.5000




>>> 57/64" 0.89063 1-8 22.6219

67
>>> 1-13/32" 1.40625 1 1⁄2-12 35.7188

87

23.00 mm 0.90551
23.0000



36.00 mm 1.41732
36.0000




>>> 29/32" 0.90625 1-12 23.0188

87
>>> 1-27/64" 1.42188 1 1⁄2-12 36.1156

72

>>> 59/64" 0.92188 1-14, 1-12 NPT 3/4x14 23.4156

72
84

36.50 mm 1.43701
36.5000




23.50 mm 0.92520
23.5000












>>> 15/16" 0.93750 NPT 3/4x14 1-14 23.8125

67









24.00 mm 0.94488
24.0000












>>> 61/64" 0.95313
24.2094












24.50 mm 0.96457
24.5000












>>> 31/32" 0.96875 1 1⁄8-7 24.6063

84









25.00 mm 0.98425
25.0000












>>> 63/64" 0.98438 1 1⁄8-7 25.0031

76









>>> 1" 1.00000 1 1⁄8-7 25.4000

67









25.50 mm 1.00394
25.5000












>>> 1-1/64" 1.01563
25.7969












26.00 mm 1.02362
26.0000












>>> 1-1/32" 1.03125 1 1⁄8-12 26.1938

87