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
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Haba
Diyametro sa Labas
Laki ng Thread
Packaging
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 ULTRASONIC INSERT, BRASS
Datasheet
876May 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
Datasheet
2,861May 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, STAINLESS
Datasheet
6,152May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 3.89 mm 3.43 mm 4.37 mm M3
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
2,873May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 5.74 mm 4.7 mm 6.35 mm M4
SI Mounting Hardware ULTRASONIC,INSERT,STAINLESS
Datasheet
1,103May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 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
Datasheet
2,820May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 6.43 mm 5.72 mm M5
SI Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
2,380May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 4.01 mm 3.43 mm 4.55 mm M3
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
1,310May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 10.19 mm 14.27 mm 11.91 mm M8
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
620May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 7.06 mm 11.1 mm 8.33 mm M5
SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
1,560Inaasahan 5/1/2026
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 4.81 mm 7.14 mm 5.33 mm M3.5
SI Mounting Hardware HI-TORQUE INSERT, BRASS
Datasheet
1,516May Stock
2,000Inaasahan 3/20/2026
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 5.67 mm 8.15 mm 6.17 mm M4
SI Mounting Hardware HI-TORQUE INSERT, BRASS 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
898May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 8.03 mm 7.62 mm M6
SI Mounting Hardware ISC-M4 DBL ENDED NUT
Datasheet
535May Stock
Min.: 1
Mult.: 1

Screws & Fasteners Nut, Double Ended Stainless Steel 5.62 mm 8.15 mm 6.22 mm M4
SI Mounting Hardware ISC-M5 DBL ENDED NUT
Datasheet
210May Stock
Min.: 1
Mult.: 1

Screws & Fasteners Nut, Double Ended Stainless Steel 6.4 mm 9.52 mm 7.01 mm M5
SI Mounting Hardware ULTRASONIC INSERT, ALUM
Datasheet
392May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.199 in 0.15 in 0.219 in 6-32
SI Mounting Hardware ULTRASONIC INSERT, ALUMINUM
Datasheet
135May Stock
1,000Inaasahan 3/18/2026
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 3.58 mm 5.56 mm 4.37 mm M2.5
SI Mounting Hardware ULTRASONIC INSERT, AL
Datasheet
1,159May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 3.89 mm 3.43 mm 4.37 mm M3
SI Mounting Hardware ULTRASONIC INSERT, AULM
Datasheet
984May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 5.74 mm 4.7 mm 6.35 mm M4
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
331May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.199 in 0.15 in 0.219 in 6-32
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 ULTRASONIC INSERT, ALUM
Datasheet
701May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 6.78 mm 5.72 mm 7.54 mm M5
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
2,250May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 0.246 in 0.375 in 0.297 in 10-32
SI Mounting Hardware ULTRASONIC INSERT, BRASS
Datasheet
788May Stock
11,000Inoorder
Min.: 1
Mult.: 1

Inserts Threaded Insert Brass 3.58 mm 5.56 mm 4.37 mm M2.5
SI Mounting Hardware ULTRASONIC INSERT, STAINLESS
Datasheet
4,535May Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.141 in 0.219 in 0.172 in 4-40