Southern Fasteners And Supply, Inc. Wrench And Socket Drive Size Chart
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1Wrench and Socket Drive Size Chart
WRENCH SIZE
HEX KEY SIZE
WRENCH SIZE
HEX KEY SIZE
Inch
Regular
Heavy
Socket
Button/Flat
Metric
Regular
Heavy
Socket
Button/Flat
Size
Hex
Hex
Head C/S
Soc C/S
Size
Hex
Hex
Head C/S
Soc C/S
0
0.050
0.5
1
1/16
1
2
5/64
1.2
3
5/64
1.4
4
3/32
1/16
1.6
3.2
1.5
5
3/32
5/64
1.8
6
1/4
7/64
5/64
2
4
1.5
8
1/4
9/64
3/32
2.2
10
5/16
5/32
1/8
2.5
5
2
12
5/16
2.6
1/4
7/16
3/16
5/32
3
5.5
2.5
2
5/16
1/2
1/4
3/16
3.5
3/8
9/16
5/16
7/32
4
7
3
2.5
7/16
5/8
3/8
1/4
5
8
4
3
1/2
3/4
7/8
3/8
5/16
6
10
5
4
9/16
13/16
7
5/8
15/16
1-1/16
1/2
3/8
8
13
6
5
3/4
1-1/8
1-1/4
5/8
1/2
10
16/17
8
6
7/8
1-5/16
1-7/16
3/4
12
18/19
21
10
8
1
1-1/2
1-5/8
3/4
14
21/22
24
1-1/8
1-11/16
1-13/16
16
24
27
14
10
1-1/4
1-7/8
2
7/8
18
27
1-3/8
2-1/16
2-3/16
20
30
34
17
1-1/2
2-1/4
2-3/8
1
22
36
1-5/8
2-9/16
24
36
41
19
1-3/4
2-3/4
27
46
1-7/8
2-15/16
30
46
50
22
2
3-1/8
33
2-1/4
3-1/2
36
55
60
27
2-1/2
3-7/8
39
2-3/4
4-1/4
42
65
32
3
4-5/8
45
3-1/4
5
48
75
36
3-1/2
5-1/4
5-3/8
3-3/4
5-5/8
5-3/4
4
6
6-1/8
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