Decimal Equivalents
All Standard Drill Size Bushings are Indicated in Green
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
.35
.0138"
.90
.0354"
1.45
.0571"
2.00
.0787"
2.55
.1004"
.40
.0157"
.95
.0374"
1.50
.0591"
2.05
.0807"
2.60
.1024"
.45
.0177"
1.0
.0394"
1.55
.0610"
2.10
.0827"
2.65
.1043"
.50
.0197"
1.05
.0413"
1.60
.0630"
2.15
.0846"
2.70
.1063"
.55
.0217"
1.10
.0433"
1.65
.0650"
2.20
.0866"
2.75
.1083"
.60
.0236"
1.15
.0453"
1.70
.0669"
2.25
.0886''
2.80
.1102"
.65
.0256"
1.20
.0472"
1.75
.0689"
2.30
.0906"
2.85
.1142"
.70
.0276"
1.25
.0492"
1.80
.0709"
2.35
.0925"
2.90
.1181"
.75
.0295"
1.30
.0512"
1.85
.0728"
2.40
.0945"
3.00
.1181"
.80
.0315"
1.35
.0531"
1.90
.0748"
2.45
.0965"
3.10
.1220"
.85
.0335"
1.40
.0551"
1.95
.0768"
2.50
.0984"
3.20
.1260"
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
3.25
.1280"
4.1
.1614"
4.9
.1929"
5.75
.2264"
6.6
.2598"
3.30
.1299"
4.2
.1654"
5
.1969"
5.8
.2283"
6.7
.2638"
3.40
.1339"
4.25
.1673"
5.1
.2008"
5.9
.2323"
6.75
.2657"
3.50
.1378"
4.3
.1693"
5.2
.2047"
6
.2362"
6.8
.2677"
3.6
.1417"
4.4
.1732"
5.25
.2067"
6.1
.2402"
6.9
.2717"
3.7
.1457"
4.5
.1772"
5.3
.2087"
6.2
.2441"
7
.2756"
3.75
.1476"
4.6
.1811"
5.4
.2126"
6.25
.2461"
7.1
.2795"
3.8
.1496"
4.7
.1850"
5.5
.2165"
6.3
.2480"
7.2
.2835"
3.9
.1535"
4.75
.1870"
5.6
.2205"
6.4
.2520"
7.25
.2854"
4
.1575"
4.8
.1890"
5.7
.2244"
6.5
.2559"
7.3
.2874"
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
mm
Decimal
7.4
.2913"
8.25
.3248"
9.1
.3583"
9.9
.3898"
14.5
.5709"
7.5
.2953"
8.3
.3268"
9.2
.3622"
10
.3937"
15
.5906"
7.6
.2992"
8.4
.3307"
9.25
.3642"
10.5
.4134"
15.5
.6102"
7.7
.3031"
8.5
.3346"
9.3
.3661"
11
.4331"
16
.6229"
7.75
.3051"
8.6
.3386"
9.4
.3701"
11.5
.4528"
16.5
.6496"
7.8
.3071"
8.7
.3425"
9.5
.3740"
12
.4724"
17
.6693"
7.9
.3110"
8.75
.3445"
9.6
.3780"
12.5
.4921"
17.5
.6890"
8
.3150"
8.8
.3465"
9.7
.3819"
13
.5118"
18
.7087"
8.1
.3189"
8.9
.3504"
9.75
.3839"
13.5
.5315"
18.5
.7283"
8.2
.3228"
9
.3543"
9.8
.3858"
14
.5512"
19
.7480"
mm
Decimal
mm
Decimal
mm
Decimal
19.5
.7677"
21.5
.8465"
23.5
.9252"
20
.7874"
22
.8661"
24
.9449"
20.5
.8071"
22.5
.8858"
24.5
.9646"
21
.8268"
23
.9055"
25
.9843"
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Nashua, NH
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