Ultrasonic/Heat Staking Inserts

SI (Standard Inserts) Ultrasonic/Heat Staking Inserts are hexagonal-shaped body inserts that provide rotational torque resistance and knurling provides torque out resistance. The heat staking inserts are installed by pressing the insert into the mounting hole with a thermal press to melt the plastic surrounding the insert. The SI® brand inserts employ press-in and heat/ultrasonic installation methods to provide strong, reusable, and permanent threads in plastic. These SI® inserts are available in brass, stainless steel, and aluminum. The applications include wearables, smartphones, handheld devices, automotive, aerospace and defense, medical, transportation, industrial, and recreational equipment.

Results: 268
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Type Material Mounting Hole Size Length Outside Diameter Thread Size Packaging
SI Mounting Hardware HI-TORQUE INSERT, BRASS 9,195In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 3.23 mm 3.99 mm 4.75 mm M2 Bulk
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS 9,672In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 8.15 mm 12.7 mm 9.52 mm M6
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 12.70X9.50 M8 THREAD ULTRASONIC HEAT STAKING DIAGONAL 10,201In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 9.6 mm 12.7 mm 10.31 mm M8
SI Mounting Hardware HI-TORQUE INSERT, BRASS 9,989In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.158 in 0.226 in 0.218 in 4-40 Bulk
SI Mounting Hardware ULTRASONIC INSERT, BRASS 990In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.118 in 0.115 in 0.141 in 2-56
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL 998In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 6.43 mm 5.72 mm M5
SI Mounting Hardware HI-TORQUE INSERT, BRASS .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL 10,096In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.189 in 0.15 in 6-32
SI Mounting Hardware ULTRASONIC INSERT, ALUM 1,426In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.153 in 0.135 in 0.172 in 4-40
SI Mounting Hardware ULTRASONIC INSERT, BRASS 8,037In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.185 in 0.25 in 0.219 in 6-32
SI Mounting Hardware ULTRASONIC INSERT, BRASS 785In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 8.15 mm 12.7 mm 9.52 mm M6
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS 4,067In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.153 in 0.135 in 0.172 in 4-40
SI Mounting Hardware TAPERED THRU THREADED INSERT M2X0.4 STAINLESS STEEL 2,111In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 3 mm 2.92 mm M2
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM 4.70X5.51 M4 THREAD ULTRASONIC HEAT STAKING DIAGONAL 953In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 5.67 mm 4.7 mm M4
SI Mounting Hardware HI-TORQUE INSERT, BRASS 958In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.253 in 0.375 in 0.273 in 10-32
SI Mounting Hardware HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL 8,418In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.158 in 0.135 in 4-40
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL 296In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.158 in 0.135 in 0.179 in 4-40
SI Mounting Hardware ULTRASONIC INSERT, BRASS 700In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.349 in 0.3 in 0.375 in 1/4-20
SI Mounting Hardware ULTRASONIC INSERT, BRASS 2,521In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.226 in 0.185 in 0.25 in 8-32
SI Mounting Hardware ULTRASONIC INSERT, BRASS 7,298In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 5.28 mm 7.92 mm 6.35 mm M4
SI Mounting Hardware ULTRASONIC INSERT, BRASS 7,701In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 6.78 mm 5.72 mm 7.54 mm M5
SI Mounting Hardware ULTRASONIC INSERT, BRASS 682In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 7.7 mm 6.71 mm 8.33 mm M5
SI Mounting Hardware HI-TORQUE INSERT, BRASS 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL 1,211In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 6.43 mm 5.72 mm M5
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS 1,880In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 8.86 mm 7.62 mm 9.52 mm M6
SI Mounting Hardware ULTRASONIC INSERT, BRASS 1,873In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 8.86 mm 7.62 mm 9.52 mm M6
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS 989In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.199 in 0.15 in 0.219 in 6-32