Fastener Chart
Numbers in the below chart reflect hex tool size required.
| FASTENER HEAD | ||||
| THREAD SIZE |
SHCS
|
BHSCS
|
FBHSCS
|
FHSCS
|
| 8/32 |
n/a
|
3/32"
|
n/a
|
n/a
|
| 10-32 |
5/32"
|
1/8"
|
n/a
|
n/a
|
| 1/4-20 |
3/16"
|
5/32"
|
5/32"
|
5/32"
|
| 5/16-18 |
1/4"
|
3/16"
|
3/16"
|
3/16"
|
| 3/8-16 |
5/16"
|
n/a
|
n/a
|
7/32"
|
| M6 |
5mm
|
4mm
|
n/a
|
n/a
|
| M8 |
6mm
|
5mm
|
n/a
|
n/a
|
