


Self-tapping inserts install in a drilled hole. Excellent for thread reinforcement in soft materials such as aluminum and magnesium. For one-time, permanent installation. For strong threads in plastics, soft metals and wood,Self-tapping are used. They provide high torque and pull-out resistance.
![]() |
||||||
Part No. | THREAD | HEAD DIAMETER | HEAD THICKNESS | HOLE DIAMETER |
MIN. WALL THICKNESS |
|
USTI 1 |
M4 |
6.3 |
0.8 |
5.8 |
2.20 |
|
USTI 2 |
M5 |
7.5 |
0.8 |
6.9 |
2.60 |
|
USTI 3 |
M6 |
8.7 |
0.9 |
8.0 |
3.00 |
|
USTI 4 |
M8 |
11.1 |
1.0 |
10.1 |
3.80 |
![]() |
||||||
Part No. | THREAD | HOLE DIAMETER | MIN. WALL THICKNESS | |||
HSTI 1 |
M2 |
3.1 |
1.20 |
|||
HSTI 2 |
M2.5 |
3.8 |
1.45 |
|||
HSTI 3 |
M3 |
4.1 |
1.55 |
|||
HSTI 4 |
M3.5 |
5.0 |
1.90 |
|||
HSTI 5 |
M4 |
5.8 |
2.20 |
|||
HSTI 6 |
M5 |
6.9 |
2.60 |
|||
HSTI 7 |
M6 |
8.00 |
3.00 |
|||
HSTI 8 |
M8 |
10.1 |
3.80 |
|||
HSTI 9 |
M10 |
13.0 |
4.90 |
![]() |
||||||
Part No. | THREAD | HEAD DIAMETER | HEAD THICKNESS | HOLE DIAMETER |
MIN. WALL THICKNESS |
|
UST 1 |
M3 |
7.10 |
0.75 |
4.1 |
2.0 |
|
UST 2 |
M4 |
8.70 |
0.75 |
5.8 |
2.2 |
|
UST 3 |
M5 |
11.10 |
0.90 |
6.9 |
2.6 |
|
UST 4 |
M6 |
12.00 |
1.00 |
8.0 |
3.8 |
|
UST 3 |
M5 |
14.30 |
1.25 |
10.1 |
3.8 |