Mounting Fixings – Mouser Finland

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Mounting Hole Size	Length	Outside Diameter	Thread Size	Packaging
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-080-1 SI 1: 0,783 € 54In Stock	Mfr. Part No. IUC-080-1 Mouser Part No 153-IUC-080-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	54In Stock	0,783 € 0,588 € 0,458 € 0,432 € View 0,422 € 0,409 € 0,394 € 0,38 € 0,374 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.118 in	0.115 in	0.141 in	0-80
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-080-2 SI 1: 0,783 € 480In Stock	Mfr. Part No. IUC-080-2 Mouser Part No 153-IUC-080-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	480In Stock	0,783 € 0,588 € 0,458 € 0,432 € View 0,422 € 0,409 € 0,394 € 0,38 € 0,374 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.107 in	0.188 in	0.141 in	0-80
Mounting Fixings ULTRASONIC,INSERT,STAINLESS IUCC-M5-1 SI 1: 0,80 € 503In Stock	Mfr. Part No. IUCC-M5-1 Mouser Part No 153-IUCC-M5-1	SI	Mounting Fixings ULTRASONIC,INSERT,STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	503In Stock	0,80 € 0,57 € 0,457 € 0,411 € View 0,382 € 0,372 € 0,35 € 0,342 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	7.7 mm	6.71 mm	8.33 mm	M5
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-024 SI 1: 0,464 € 876In Stock	Mfr. Part No. IUTA-024 Mouser Part No 153-IUTA-024	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	876In Stock	0,464 € 0,329 € 0,264 € 0,237 € View 0,22 € 0,214 € 0,202 € 0,198 € 0,191 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.253 in	0.375 in	0.237 in	10-24
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-032 SI 1: 0,464 € 3 000In Stock	Mfr. Part No. IUTA-032 Mouser Part No 153-IUTA-032	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	3 000In Stock	0,464 € 0,33 € 0,264 € 0,237 € View 0,221 € 0,215 € 0,202 € 0,198 € 0,191 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.253 in	0.375 in	0.273 in	10-32
Mounting Fixings HI-TORQUE INSERT, ALUMINUM .225X.247 10-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-032-225 SI 1: 0,464 € 857In Stock	Mfr. Part No. IUTA-032-225 Mouser Part No 153-IUTA-032-225	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM .225X.247 10-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	857In Stock	0,464 € 0,33 € 0,264 € 0,237 € View 0,221 € 0,215 € 0,202 € 0,198 € 0,191 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.253 in	0.225 in		10-32
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-0420 SI 1: 0,542 € 2 460In Stock	Mfr. Part No. IUTA-0420 Mouser Part No 153-IUTA-0420	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	2 460In Stock	0,542 € 0,385 € 0,309 € 0,278 € View 0,258 € 0,251 € 0,237 € 0,231 € 0,224 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.316 in	0.5 in	0.342 in	1/4-20
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-0428 SI 1: 0,542 € 987In Stock	Mfr. Part No. IUTA-0428 Mouser Part No 153-IUTA-0428	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	987In Stock	0,542 € 0,385 € 0,309 € 0,278 € View 0,258 € 0,251 € 0,237 € 0,231 € 0,224 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.316 in	0.5 in	0.342 in	1/4-28
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-0616 SI 1: 0,697 € 980In Stock	Mfr. Part No. IUTA-0616 Mouser Part No 153-IUTA-0616	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	980In Stock	0,697 € 0,52 € 0,405 € 0,382 € View 0,373 € 0,361 € 0,348 € 0,336 € 0,331 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.468 in	0.5 in	0.509 in	3/8-16
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-832 SI 1: 0,327 € 1 710In Stock	Mfr. Part No. IUTA-832 Mouser Part No 153-IUTA-832	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1 710In Stock	0,327 € 0,237 € 0,19 € 0,171 € View 0,158 € 0,154 € 0,145 € 0,142 € 0,138 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.223 in	0.321 in	0.243 in	8-32
Mounting Fixings HI-TORQUE INSERT IUTA-M3.5 SI 1: 0,344 € 1 881In Stock	Mfr. Part No. IUTA-M3.5 Mouser Part No 153-IUTA-M3.5	SI	Mounting Fixings HI-TORQUE INSERT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1 881In Stock	0,344 € 0,246 € 0,197 € 0,177 € View 0,164 € 0,16 € 0,151 € 0,148 € 0,143 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.81 mm	7.14 mm	5.33 mm	M3.5
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-M6 SI 1: 0,542 € 480In Stock	Mfr. Part No. IUTA-M6 Mouser Part No 153-IUTA-M6	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	480In Stock	0,542 € 0,384 € 0,308 € 0,277 € View 0,257 € 0,25 € 0,236 € 0,23 € 0,223 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	8.03 mm	12.7 mm	8.69 mm	M6
Mounting Fixings HI-TORQUE INSERT, ALUMINUM 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-M6-762 SI 1: 0,525 € 479In Stock	Mfr. Part No. IUTA-M6-762 Mouser Part No 153-IUTA-M6-762	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	479In Stock	0,525 € 0,378 € 0,303 € 0,272 € View 0,253 € 0,246 € 0,231 € 0,227 € 0,219 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	8.03 mm	7.62 mm		M6
Mounting Fixings HI-TORQUE INSERT, ALUMINUM 12.70X9.50 M8 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-M8 SI 1: 0,765 € 988In Stock	Mfr. Part No. IUTA-M8 Mouser Part No 153-IUTA-M8	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM 12.70X9.50 M8 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	988In Stock	0,765 € 0,544 € 0,436 € 0,392 € View 0,365 € 0,354 € 0,334 € 0,327 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	9.6 mm	12.7 mm	10.31 mm	M8
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-024 SI 1: 0,473 € 774In Stock	Mfr. Part No. IUTB-024 Mouser Part No 153-IUTB-024	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	774In Stock	0,473 € 0,341 € 0,273 € 0,245 € View 0,228 € 0,222 € 0,209 € 0,205 € 0,198 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.253 in	0.375 in	0.273 in	10-24
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-0428 SI 1: 0,757 € 154In Stock	Mfr. Part No. IUTB-0428 Mouser Part No 153-IUTB-0428	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	154In Stock	0,757 € 0,568 € 0,441 € 0,416 € View 0,408 € 0,394 € 0,38 € 0,366 € 0,361 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.316 in	0.5 in	0.342 in	1/4-28
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-0616 SI 1: 1,31 € 313In Stock	Mfr. Part No. IUTB-0616 Mouser Part No 153-IUTB-0616	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	313In Stock	1,31 € 0,972 € 0,763 € 0,719 € View 0,703 € 0,679 € 0,656 € 0,633 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.468 in	0.5 in	0.509 in	3/8-16
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .225X.247 10-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-032-225 SI 1: 0,929 € 943In Stock	Mfr. Part No. IUTC-032-225 Mouser Part No 153-IUTC-032-225	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .225X.247 10-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	943In Stock	0,929 € 0,695 € 0,541 € 0,51 € View 0,499 € 0,482 € 0,465 € 0,449 € 0,442 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.253 in	0.225 in		10-32
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .300X.310 1/4-20 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-0420-300 SI 1: 1,04 € 889In Stock	Mfr. Part No. IUTC-0420-300 Mouser Part No 153-IUTC-0420-300	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .300X.310 1/4-20 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	889In Stock	1,04 € 0,772 € 0,636 € 0,539 € View 0,535 € 0,516 € 0,498 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.316 in	0.3 in	0.342 in	1/4-20
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .185X.217 8-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-832-185 SI 1: 0,817 € 372In Stock	Mfr. Part No. IUTC-832-185 Mouser Part No 153-IUTC-832-185	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .185X.217 8-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	372In Stock	0,817 € 0,613 € 0,477 € 0,45 € View 0,44 € 0,426 € 0,411 € 0,396 € 0,39 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.223 in	0.185 in	0.243 in	8-32
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-032 SI 1: 0,731 € 760In Stock	Mfr. Part No. IUTFB-032 Mouser Part No 153-IUTFB-032	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	760In Stock	0,731 € 0,525 € 0,42 € 0,378 € View 0,351 € 0,341 € 0,322 € 0,315 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.253 in	0.375 in	0.312 in	10-32
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-M10 SI 1: 1,32 € 399In Stock	Mfr. Part No. IUTFB-M10 Mouser Part No 153-IUTFB-M10	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	399In Stock	1,32 € 0,98 € 0,767 € 0,723 € View 0,708 € 0,684 € 0,66 € 0,636 € Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass				M10	Bulk
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-440-135 SI 1: 0,533 € 9 296On Order	Mfr. Part No. IUTC-440-135 Mouser Part No 153-IUTC-440-135	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 296On Order	0,533 € 0,375 € 0,30 € 0,283 € View 0,24 € 0,23 € 0,224 € 0,217 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.158 in	0.135 in	0.179 in	4-40
Mounting Fixings ISA-032 DBL ENDED NUT ISA-032 SI 1: 0,43 € 9 996Expected 12/02/2027	Mfr. Part No. ISA-032 Mouser Part No 153-ISA-032	SI	Mounting Fixings ISA-032 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 996Expected 12/02/2027	0,43 € 0,307 € 0,246 € 0,221 € View 0,206 € 0,20 € 0,188 € 0,184 € 0,178 €	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Aluminum	0.252 in	0.375 in	0.276 in	10-32
Mounting Fixings ULTRASONIC INSERT, BRASS IUBB-M5-2 SI 1: 0,55 € 9 015Expected 24/11/2026	Mfr. Part No. IUBB-M5-2 Mouser Part No 153-IUBB-M5-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 015Expected 24/11/2026	0,55 € 0,396 € 0,317 € 0,286 € View 0,265 € 0,258 € 0,243 € 0,237 € 0,23 €	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	7.06 mm	11.1 mm	8.33 mm	M5