SAE Bolt Head/Wrench Size Table
|
Bolt
Diameter |
Head/Wrench Size |
|
Hex
Bolt
-
Lag Bolt
-
Square
Bolt |
Heavy
Hex Bolt |
|
#6 |
1/4 |
- |
|
#8 |
1/4 |
- |
|
#10 |
5/16 |
- |
|
#12 |
5/16 |
- |
|
1/4 |
7/16
or 3/8 |
- |
|
5/16 |
1/2 |
- |
|
3/8 |
9/16 |
- |
|
7/16 |
5/8 |
- |
|
1/2 |
3/4 |
7/8 |
|
9/16 |
13/16 |
- |
|
5/8 |
15/16 |
1-1/16 |
|
3/4 |
1-1/8 |
1-1/4 |
|
7/8 |
1-5/16 |
1-7/16 |
|
1 |
1-1/2 |
1-5/8 |
|
1-1/8 |
1-11/16 |
1-3/4 |
|
1-1/4 |
1-7/8 |
2 |
more info found at: http://k-tbolt.com/us_bolt_head_wrench_table.html
|
|
Metric Bolt Head/Wrench Size
Bolt Diameter
(mm) |
Head/Wrench Size
(mm) |
| ANSI/ISO |
DIN |
JIS |
DIN/ISO
Heavy Hex |
|
4 |
7 |
7 |
7 |
- |
|
5 |
8 |
8 |
8 |
- |
|
6 |
10 |
10 |
10 |
- |
|
7 |
- |
11 |
- |
- |
|
8 |
13 |
13 |
12 |
- |
|
10 |
16 |
17 |
14 |
- |
|
12 |
18 |
19 |
17 |
22/21* |
|
14 |
21 |
22 |
19 |
- |
|
16 |
24 |
24 |
22 |
27 |
|
18 |
- |
27 |
- |
- |
|
20 |
30 |
30 |
- |
34/32* |
ANSI - American National Standards Institute
ISO - International Organization for Standardisation
DIN - Deutsches Institut fur Normung
JIS - Japanese Industrial Standard
* Indicates ISO standard. |
|
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more info found at:
http://www.boltdepot.com/fastener-information/Bolts/Metric-Bolt-Head-Size.aspx
|
|
