Manufactured from tobin bronze, these raised countersunk bolts are designed for use below the waterline for such jobs as fastening struts, bearings etc.
Also used for securing heavy duty mooring bollards and toe rails.
| PART NUMBER |
DIAMETRE |
OVERALL LENGTH |
APPROX THREAD LENGTH |
| |
IN |
MM |
IN |
MM |
IN |
| STP374-2 |
¼ |
6.35 |
2 |
50.8 |
1” |
| STP374-3 |
|
|
3 |
76.2 |
1” |
| STP374-4 |
|
|
4 |
101.6 |
1” |
| STP40-2.5 |
5/16 |
8 |
2-1/2 |
63.5 |
1-1/8” |
| STP40-3 |
|
|
3 |
76.2 |
1-1/8” |
| STP40-3.5 |
|
|
3-1/2 |
88.9 |
1-1/8” |
| STP40-4 |
|
|
4 |
101.6 |
1-1/8” |
| STP43-3 |
3/8 |
9.5 |
3 |
76.2 |
1-1/4” |
| STP43-4 |
|
|
4 |
101.6 |
1-1/4” |
| STP43-5 |
|
|
5 |
127 |
1-1/2” |
| STP43-6 |
|
|
6 |
152.4 |
1-1/2” |
| STP43-8 |
|
|
8 |
203.2 |
1-1/2” |
| STP51-3 |
½ |
12.7 |
3 |
76.2 |
1-5/8” |
| STP51-4 |
|
|
4 |
101.6 |
1-5/8” |
| STP51-5 |
|
|
5 |
127 |
1-3/4” |
| STP51-6 |
|
|
6 |
152.4 |
1-3/4” |
| STP51-7 |
|
|
7 |
177.8 |
1-3/4” |
| ST58-4.0 |
5/8 |
15.875 |
4 |
127 |
1-3/4” |
| ST58.5.0 |
|
|
5 |
152.4 |
1-3/4” |