Mounting Fixings – Mouser Poland

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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 (PLN) 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
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-M3-2 SI 1: 0,986 zł 187 070In Stock 12 674On Order	Mfr. Part No. IUB-M3-2 Mouser Part No 153-IUB-M3-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	187 070In Stock 12 674On Order	0,986 zł 0,673 zł 0,541 zł 0,506 zł View 0,427 zł 0,414 zł 0,40 zł 0,392 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	3.58 mm	5.56 mm	4.37 mm	M3
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M3-2 SI 1: 1,97 zł 92 488In Stock 16 125On Order	Mfr. Part No. IUC-M3-2 Mouser Part No 153-IUC-M3-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	92 488In Stock 16 125On Order	1,97 zł 1,40 zł 1,12 zł 1,01 zł View 0,937 zł 0,911 zł 0,858 zł 0,84 zł 0,814 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3.58 mm	5.56 mm	4.37 mm	M3
Mounting Fixings HI-TORQUE INSERT, BRASS 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M2-318 SI 1: 1,78 zł 9 541In Stock	Mfr. Part No. IUTB-M2-318 Mouser Part No 153-IUTB-M2-318	SI	Mounting Fixings HI-TORQUE INSERT, BRASS 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 541In Stock	1,78 zł 1,26 zł 1,01 zł 0,906 zł View 0,823 zł 0,818 zł 0,77 zł 0,752 zł 0,726 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	3.23 mm	3.18 mm		M2
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-0420 SI 1: 4,58 zł 3 764In Stock	Mfr. Part No. IUTC-0420 Mouser Part No 153-IUTC-0420	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	3 764In Stock	4,58 zł 3,40 zł 2,68 zł 2,27 zł View 2,19 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.316 in	0.5 in	0.342 in	1/4-20
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M3-343 SI 1: 3,07 zł 8 125In Stock	Mfr. Part No. IUTC-M3-343 Mouser Part No 153-IUTC-M3-343	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8 125In Stock	3,07 zł 2,18 zł 1,74 zł 1,64 zł View 1,39 zł 1,33 zł 1,31 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4.01 mm	3.43 mm	4.55 mm	M3
Mounting Fixings HI-TORQUE INSERT, BRASS 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M3-343 SI 1: 1,55 zł 13 385In Stock	Mfr. Part No. IUTB-M3-343 Mouser Part No 153-IUTB-M3-343	SI	Mounting Fixings HI-TORQUE INSERT, BRASS 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	13 385In Stock	1,55 zł 1,10 zł 0,88 zł 0,792 zł View 0,735 zł 0,717 zł 0,673 zł 0,66 zł 0,634 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	4.01 mm	3.43 mm		M3
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-632-2 SI 1: 2,50 zł 6 058In Stock	Mfr. Part No. IUC-632-2 Mouser Part No 153-IUC-632-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	6 058In Stock	2,50 zł 1,76 zł 1,41 zł 1,27 zł View 1,17 zł 1,14 zł 1,07 zł 1,05 zł 1,02 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.185 in	0.25 in	0.219 in	6-32
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M3 SI 1: 1,40 zł 56 663In Stock	Mfr. Part No. IUTB-M3 Mouser Part No 153-IUTB-M3	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	56 663In Stock	1,40 zł 0,994 zł 0,796 zł 0,717 zł View 0,664 zł 0,647 zł 0,607 zł 0,598 zł 0,576 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	4.01 mm	5.74 mm	4.55 mm	M3
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-M2.5 SI 1: 3,26 zł 10 302In Stock	Mfr. Part No. IUTC-M2.5 Mouser Part No 153-IUTC-M2.5	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10 302In Stock	3,26 zł 2,31 zł 1,85 zł 1,66 zł View 1,54 zł 1,50 zł 1,42 zł 1,38 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4.01 mm	5.74 mm	4.55 mm	M2.5
Mounting Fixings HI-TORQUE INSERT, BRASS 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M5-572 SI 1: 2,12 zł 10 291In Stock	Mfr. Part No. IUTB-M5-572 Mouser Part No 153-IUTB-M5-572	SI	Mounting Fixings HI-TORQUE INSERT, BRASS 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10 291In Stock	2,12 zł 1,50 zł 1,20 zł 1,08 zł View 1,01 zł 0,977 zł 0,924 zł 0,902 zł 0,871 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	6.43 mm	5.72 mm		M5
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-M5-2 SI 1: 2,42 zł 9 560In Stock	Mfr. Part No. IUB-M5-2 Mouser Part No 153-IUB-M5-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 560In Stock	2,42 zł 1,72 zł 1,37 zł 1,24 zł View 1,15 zł 1,11 zł 1,05 zł 1,03 zł 0,99 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	6.25 mm	9.53 mm	7.54 mm	M5
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M2.5-1 SI 1: 2,65 zł 10 154In Stock	Mfr. Part No. IUC-M2.5-1 Mouser Part No 153-IUC-M2.5-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10 154In Stock	2,65 zł 1,86 zł 1,49 zł 1,34 zł View 1,25 zł 1,21 zł 1,14 zł 1,12 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3.89 mm	3.43 mm	4.37 mm	M2.5
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-832 SI 1: 1,40 zł 13 030In Stock	Mfr. Part No. IUTB-832 Mouser Part No 153-IUTB-832	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	13 030In Stock	1,40 zł 0,986 zł 0,788 zł 0,744 zł View 0,629 zł 0,603 zł 0,585 zł 0,568 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.223 in	0.321 in	0.243 in	8-32
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-440-135 SI 1: 2,35 zł 9 296In Stock	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 296In Stock	2,35 zł 1,65 zł 1,32 zł 1,25 zł View 1,06 zł 1,01 zł 0,986 zł 0,955 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.158 in	0.135 in	0.179 in	4-40
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-M6 SI 1: 5,02 zł 8 953In Stock	Mfr. Part No. IUTC-M6 Mouser Part No 153-IUTC-M6	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8 953In Stock	5,02 zł 3,70 zł 2,88 zł 2,71 zł View 2,65 zł 2,57 zł 2,48 zł 2,39 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	8.03 mm	12.7 mm	8.69 mm	M6
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-M5 SI 1: 3,56 zł 9 727In Stock	Mfr. Part No. IUTFB-M5 Mouser Part No 153-IUTFB-M5	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 727In Stock	3,56 zł 2,50 zł 2,01 zł 1,81 zł View 1,68 zł 1,63 zł 1,54 zł 1,50 zł Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	6.43 mm	9.53 mm	7.92 mm	M5
Mounting Fixings ULTRASONIC,INSERT,STAINLESS IUCC-M5-2 SI 1: 3,78 zł 9 496In Stock	Mfr. Part No. IUCC-M5-2 Mouser Part No 153-IUCC-M5-2	SI	Mounting Fixings ULTRASONIC,INSERT,STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 496In Stock	3,78 zł 2,81 zł 2,19 zł 2,06 zł View 2,02 zł 1,95 zł 1,88 zł 1,81 zł 1,79 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	7.06 mm	11.1 mm	8.33 mm	M5
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M2-318 SI 1: 2,04 zł 9 923In Stock	Mfr. Part No. IUTC-M2-318 Mouser Part No 153-IUTC-M2-318	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 923In Stock	2,04 zł 1,44 zł 1,15 zł 1,04 zł View 0,959 zł 0,933 zł 0,88 zł 0,862 zł 0,832 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3.23 mm	3.18 mm	3.73 mm	M2
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-440-2 SI 1: 2,01 zł 8 695In Stock	Mfr. Part No. IUC-440-2 Mouser Part No 153-IUC-440-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8 695In Stock	2,01 zł 1,41 zł 1,13 zł 1,06 zł View 0,902 zł 0,862 zł 0,845 zł 0,814 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.141 in	0.219 in	0.172 in	4-40
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-M4 SI 1: 4,01 zł 4 495In Stock 10 000Expected 3/5/2027	Mfr. Part No. IUTC-M4 Mouser Part No 153-IUTC-M4	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	4 495In Stock 10 000Expected 3/5/2027	4,01 zł 3,00 zł 2,34 zł 2,20 zł View 2,15 zł 2,08 zł 2,01 zł 1,94 zł 1,91 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	5.67 mm	8.15 mm	6.17 mm	M4
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-M4 SI 1: 2,27 zł 37 903In Stock	Mfr. Part No. IUTFB-M4 Mouser Part No 153-IUTFB-M4	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	37 903In Stock	2,27 zł 1,62 zł 1,30 zł 1,17 zł View 1,09 zł 1,06 zł 0,994 zł 0,972 zł 0,937 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	5.67 mm	8.15 mm	7.14 mm	M4
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M3-1 SI 1: 1,82 zł 9 506In Stock	Mfr. Part No. IUC-M3-1 Mouser Part No 153-IUC-M3-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 506In Stock	1,82 zł 1,30 zł 1,04 zł 0,933 zł View 0,871 zł 0,845 zł 0,796 zł 0,779 zł 0,752 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3.89 mm	3.43 mm	4.37 mm	M3
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M4-1 SI 1: 2,27 zł 9 492In Stock	Mfr. Part No. IUC-M4-1 Mouser Part No 153-IUC-M4-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 492In Stock	2,27 zł 1,61 zł 1,29 zł 1,21 zł View 1,03 zł 0,986 zł 0,964 zł 0,933 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	5.74 mm	4.7 mm	6.35 mm	M4
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M4 SI 1: 1,93 zł 10 918In Stock 10 000Expected 12/1/2026	Mfr. Part No. IUTB-M4 Mouser Part No 153-IUTB-M4	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10 918In Stock 10 000Expected 12/1/2026	1,93 zł 1,37 zł 1,10 zł 0,986 zł View 0,92 zł 0,893 zł 0,84 zł 0,823 zł 0,796 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	5.67 mm	8.15 mm	6.17 mm	M4
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-M3-1 SI 1: 0,832 zł 20 334In Stock 52 000On Order	Mfr. Part No. IUB-M3-1 Mouser Part No 153-IUB-M3-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	20 334In Stock 52 000On Order On Order Ship Dates Mfr. No: IUB-M3-1 Stock: 20 334 Can Dispatch Immediately On Order: 25 000 Expected 2/12/2027 27 000 Expected 3/12/2027 Factory Lead Time: 17 Weeks	0,832 zł 0,603 zł 0,48 zł 0,436 zł View 0,40 zł 0,392 zł 0,37 zł 0,361 zł 0,348 zł	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	3.89 mm	3.43 mm	4.37 mm	M3