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.

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Dami RoHS ECAD Model Produkto
Uri
Materyal
Laki ng Butas ng Mounting
Haba
Diyametro sa Labas
Laki ng Thread
Packaging
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM .300X.310 1/4-20 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
615May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.316 in 0.3 in 0.342 in 1/4-20
SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
351May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 4.81 mm 7.14 mm 6.35 mm M3.5 Bulk
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
1,300May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 10.19 mm 14.27 mm 11.91 mm M8
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS
Datasheet
1,487May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.253 in 0.375 in 0.273 in 10-24
SI Mounting Hardware ISC-0420 DBL ENDED NUT
Datasheet
13,412May Stock
Min.: 1
Mult.: 1

Screws & Fasteners Nut, Double Ended Stainless Steel 0.315 in 0.5 in 0.338 in 1/4-20
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
12,012May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 5.05 mm 3.81 mm 5.56 mm M3
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
915May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.431 in 0.335 in 0.469 in 5/16-18
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
967May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.523 in 0.375 in 0.563 in 3/8-16
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS
Datasheet
1,654May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.468 in 0.5 in 0.509 in 3/8-16
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
949May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.488 in 0.625 in 0.563 in 3/8-16
SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
5May Stock
10,000Inaasahan 8/17/2026
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, STAINLESS
Datasheet
8,458May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.185 in 0.25 in 0.219 in 6-32
SI Mounting Hardware HI-TORQUE INSERT, BRASS 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
12,023May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 3.23 mm 3.18 mm M2
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
9,486May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 3.58 mm 5.56 mm 4.37 mm M2.5
SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
34,451May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 4.01 mm 5.74 mm 4.55 mm M2.5

SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
10,488May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 6.43 mm 9.52 mm 6.93 mm M5
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
9,717May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 6.43 mm 5.72 mm 6.93 mm M5
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
4,875May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 8.03 mm 7.62 mm 8.69 mm M6
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
29,795May Stock
110,141Inoorder
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 3.58 mm 5.56 mm 4.37 mm M3
SI Mounting Hardware ISB-M5 DBL ENDED NUT
Datasheet
1,130May Stock
Min.: 1
Mult.: 1

Screws & Fasteners Nut, Double Ended Brass 6.4 mm 9.52 mm 7.01 mm M5
SI Mounting Hardware ISC-440 DBL ENDED NUT
Datasheet
557May Stock
Min.: 1
Mult.: 1

Screws & Fasteners Nut, Double Ended Stainless Steel 0.157 in 0.226 in 0.182 in 4-40
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
2,761May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.226 in 0.185 in 0.25 in 8-32
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM .225X.247 10-24 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
1,000May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.253 in 0.225 in 0.237 in 10-24
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
1,000May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.189 in 0.15 in 6-32
SI Mounting Hardware HI-TORQUE INSERT, ALUMINUM .185X.217 8-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
1,000May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.223 in 0.185 in 8-32