Cutting Notch in Steel and Stainless Self-Tapping Thread Inserts

These threaded inserts are screwed into preformed or predrilled holes and cut their own threads into the wall for permanent installation. Eliminates the time and expense of tapping. Provides a strong wear and vibration resistant thread. The steel inserts are hardened with a zinc and clear chromate finish. Stainless are type 303. Can be installed with hand installation tools. Hole size listed is for reference only. Optimum hole size to be determined through experimentation. A 60 degrees countersink is required for flush mounting. For use in plastics, light metal alloys and hard wood.
Types
SKU
Minimum Internal Thread Size
Maximum Internal Thread Size
Brand
Pack Qty.
Price
STI-35
3/8-16
1
$1.87
STI-30
5/16-18
1
$1.54
STI-25
1/4-20
1
$1.13
STI-20
#10-24
1
$0.90
STI-135
3/8-16
1
$2.64
STI-130
5/16-18
1
$1.92
STI-125
1/4-20
1
$1.58
STI-120
#10-24
1
$1.39
STI-115
#8-32
1
$1.27
STI-110
#6-32
1
$1.15