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
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Description Datasheet Availability Pricing (DKK) 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 Fixings ULTRASONIC INSERT, STAINLESS
Datasheet
9In Stock
4,04 kr.
2,87 kr.
2,31 kr.
2,07 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 0.226 in 0.185 in 0.25 in 8-32
SI Mounting Fixings ULTRASONIC INSERT, STAINLESS
Datasheet
1.149In Stock
4,56 kr.
3,23 kr.
2,59 kr.
2,44 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 3.58 mm 5.56 mm 4.37 mm M2.5
SI Mounting Fixings ULTRASONIC INSERT, ALUM
Datasheet
81In Stock
2,18 kr.
1,54 kr.
1,23 kr.
1,16 kr.
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Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 6.78 mm 5.72 mm 7.54 mm M5
SI Mounting Fixings ULTRASONIC INSERT, BRASS
Datasheet
744In Stock
10.000Expected 05/02/2027
3,98 kr.
2,83 kr.
2,27 kr.
2,04 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 0.246 in 0.375 in 0.297 in 10-32
SI Mounting Fixings ULTRASONIC INSERT, STAINLESS
Datasheet
344In Stock
3,98 kr.
2,82 kr.
2,27 kr.
2,13 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 4.7 mm 6.35 mm 5.56 mm M3
SI Mounting Fixings HI-TORQUE INSERT, ALUM
Datasheet
253In Stock
2,18 kr.
1,58 kr.
1,27 kr.
1,14 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 0.127 in 0.157 in 0.147 in 2-56
SI Mounting Fixings HI-TORQUE INSERT, ALUM
Datasheet
559In Stock
2,12 kr.
1,51 kr.
1,21 kr.
1,08 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 0.158 in 0.226 in 0.179 in 4-40
SI Mounting Fixings HI-TORQUE INSERT, ALUMINUM .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
946In Stock
2,12 kr.
1,51 kr.
1,21 kr.
1,08 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 0.158 in 0.135 in 4-40
SI Mounting Fixings ISB-M3 DBL ENDED
Datasheet
4.914In Stock
2,57 kr.
1,82 kr.
1,45 kr.
1,37 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 3.99 mm 5.74 mm 4.62 mm M3
SI Mounting Fixings ULTRASONIC INSERT, BRASS
Datasheet
3.318In Stock
10.000Expected 25/01/2027
2,18 kr.
1,55 kr.
1,25 kr.
1,13 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 5.28 mm 7.92 mm 6.35 mm M4
SI Mounting Fixings HI-TORQUE INSERT, ALUM
Datasheet
1.915In Stock
2,37 kr.
1,72 kr.
1,38 kr.
1,25 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 0.189 in 0.281 in 0.21 in 6-32
SI Mounting Fixings HI-TORQUE INSERT
Datasheet
177In Stock
10.000Expected 29/01/2027
2,69 kr.
1,91 kr.
1,54 kr.
1,38 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 5.67 mm 8.15 mm 6.17 mm M4
SI Mounting Fixings HI-TORQUE INSERT, BRASS .225X.247 10-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
381In Stock
3,60 kr.
2,59 kr.
2,07 kr.
1,86 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 0.253 in 0.225 in 10-32
SI Mounting Fixings HI-TORQUE INSERT, BRASS
Datasheet
405In Stock
5,07 kr.
3,77 kr.
3,10 kr.
2,63 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 0.316 in 0.5 in 0.375 in 1/4-20
SI Mounting Fixings ISC-440 DBL ENDED NUT
Datasheet
557In Stock
4,36 kr.
3,08 kr.
2,46 kr.
2,32 kr.
View
Min.: 1
Mult.: 1
Screws & Fasteners Nut, Double Ended Stainless Steel 0.157 in 0.226 in 0.182 in 4-40
SI Mounting Fixings ISC-M5 DBL ENDED NUT
Datasheet
65In Stock
6,99 kr.
5,23 kr.
4,07 kr.
3,83 kr.
View
Min.: 1
Mult.: 1
Screws & Fasteners Nut, Double Ended Stainless Steel 6.4 mm 9.52 mm 7.01 mm M5
SI Mounting Fixings ULTRASONIC INSERT, ALUMINUM
Datasheet
785In Stock
2,50 kr.
1,75 kr.
1,40 kr.
1,32 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 3.58 mm 5.56 mm 4.37 mm M2.5
SI Mounting Fixings ULTRASONIC INSERT, BRASS
Datasheet
608In Stock
10.000Expected 29/01/2027
3,66 kr.
2,63 kr.
2,11 kr.
1,90 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 8.86 mm 7.62 mm 9.52 mm M6
SI Mounting Fixings ULTRASONIC INSERT, STAINLESS
Datasheet
114In Stock
7,76 kr.
5,83 kr.
4,54 kr.
4,28 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 0.349 in 0.3 in 0.375 in 1/4-20
SI Mounting Fixings ULTRASONIC INSERT, STAINLESS
Datasheet
1.215In Stock
5,26 kr.
3,69 kr.
2,95 kr.
2,78 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 0.208 in 0.312 in 0.25 in 8-32
SI Mounting Fixings HI-TORQUE INSERT, ALUMINUM .300X.310 1/4-20 THREAD ULTRASONIC HEAT STAKING DIAGONAL
Datasheet
615In Stock
3,98 kr.
2,82 kr.
2,27 kr.
2,04 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Aluminum 0.316 in 0.3 in 0.342 in 1/4-20

SI Mounting Fixings HI-TORQUE INSERT, BRASS
Datasheet
6.108In Stock
3,33 kr.
2,34 kr.
1,88 kr.
1,77 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 6.43 mm 9.52 mm 6.93 mm M5
SI Mounting Fixings HI-TORQUE INSERT, STAINLESS
Datasheet
4.655In Stock
5.250Expected 30/10/2026
4,74 kr.
3,34 kr.
2,68 kr.
2,52 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Stainless Steel 4.81 mm 7.14 mm 5.33 mm M3.5
SI Mounting Fixings HI-TORQUE INSERT, BRASS
Datasheet
337In Stock
3,66 kr.
2,63 kr.
2,10 kr.
1,89 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 4.81 mm 7.14 mm 6.35 mm M3.5 Bulk
SI Mounting Fixings ULTRASONIC INSERT, BRASS
Datasheet
98In Stock
1,54 kr.
1,07 kr.
0,85 kr.
0,806 kr.
View
Min.: 1
Mult.: 1
Inserts Threaded Insert Brass 0.199 in 0.15 in 0.219 in 6-32