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"
800.523.5330
West Springfield, MA
860.986.7177
Hartford, CT
603.881.5311
Nashua, NH
800.249.1272
Otisfield, ME
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