Mounting Fixings – Mouser Ireland

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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 HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: €0.413 9,989In Stock	Mfr. Part No. IUTFB-440 Mouser Part No 153-IUTFB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,989In Stock	€0.413 €0.29 €0.232 €0.209 View €0.191 €0.188 €0.177 €0.174 €0.168	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.218 in	4-40	Bulk
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M6-2 SI 1: €1.22 9,162In Stock	Mfr. Part No. IUC-M6-2 Mouser Part No 153-IUC-M6-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,162In Stock	€1.22 €0.912 €0.706 €0.665 View €0.65 €0.629 €0.607 €0.586 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	8.15 mm	12.7 mm	9.52 mm	M6
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-024-2 SI 1: €0.834 9,048In Stock 1,132On Order	Mfr. Part No. IUC-024-2 Mouser Part No 153-IUC-024-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,048In Stock 1,132On Order	€0.834 €0.622 €0.484 €0.457 View €0.445 €0.431 €0.416 €0.401 €0.395	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.246 in	0.375 in	0.297 in	10-24
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUCC-M3-1 SI 1: €0.55 11,866In Stock	Mfr. Part No. IUCC-M3-1 Mouser Part No 153-IUCC-M3-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	11,866In Stock	€0.55 €0.386 €0.31 €0.279 View €0.258 €0.251 €0.237 €0.231 €0.224	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	5.05 mm	3.81 mm	5.56 mm	M3
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 12.70X9.50 M8 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M8 SI 1: €1.25 10,201In Stock	Mfr. Part No. IUTC-M8 Mouser Part No 153-IUTC-M8	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 12.70X9.50 M8 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10,201In Stock	€1.25 €0.929 €0.722 €0.679 View €0.665 €0.642 €0.62 €0.599 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	9.6 mm	12.7 mm	10.31 mm	M8
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-M2.5-2 SI 1: €0.421 9,056In Stock	Mfr. Part No. IUB-M2.5-2 Mouser Part No 153-IUB-M2.5-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,056In Stock	€0.421 €0.296 €0.237 €0.213 View €0.195 €0.192 €0.181 €0.177 €0.171	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	3.58 mm	5.56 mm	4.37 mm	M2.5
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-256-1 SI 1: €0.232 990In Stock	Mfr. Part No. IUB-256-1 Mouser Part No 153-IUB-256-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	990In Stock	€0.232 €0.169 €0.135 €0.121 View €0.113 €0.109 €0.103 €0.101 €0.097	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.118 in	0.115 in	0.141 in	2-56
Mounting Fixings HI-TORQUE INSERT, ALUMINUM 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-M5-572 SI 1: €0.439 973In Stock	Mfr. Part No. IUTA-M5-572 Mouser Part No 153-IUTA-M5-572	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	973In Stock	€0.439 €0.315 €0.252 €0.227 View €0.211 €0.205 €0.194 €0.189 €0.182	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	6.43 mm	5.72 mm		M5
Mounting Fixings HI-TORQUE INSERT, BRASS .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-632-150 SI 1: €0.275 8,492In Stock	Mfr. Part No. IUTB-632-150 Mouser Part No 153-IUTB-632-150	SI	Mounting Fixings HI-TORQUE INSERT, BRASS .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,492In Stock	€0.275 €0.193 €0.155 €0.145 View €0.123 €0.118 €0.115 €0.111	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.189 in	0.15 in		6-32
Mounting Fixings ULTRASONIC INSERT, ALUM IUA-440-1 SI 1: €0.224 1,426In Stock	Mfr. Part No. IUA-440-1 Mouser Part No 153-IUA-440-1	SI	Mounting Fixings ULTRASONIC INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1,426In Stock	€0.224 €0.162 €0.13 €0.117 View €0.108 €0.105 €0.099 €0.097 €0.094	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-632-2 SI 1: €0.232 7,377In Stock	Mfr. Part No. IUB-632-2 Mouser Part No 153-IUB-632-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7,377In Stock	€0.232 €0.164 €0.132 €0.124 View €0.105 €0.10 €0.098 €0.095	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.185 in	0.25 in	0.219 in	6-32
Mounting Fixings TAPERED THRU THREADED INSERT M2X0.4 STAINLESS STEEL IUC-M2-1 SI 1: €0.378 1,681In Stock	Mfr. Part No. IUC-M2-1 Mouser Part No 153-IUC-M2-1	SI	Mounting Fixings TAPERED THRU THREADED INSERT M2X0.4 STAINLESS STEEL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1,681In Stock	€0.378 €0.268 €0.215 €0.194 View €0.18 €0.175 €0.164 €0.161 €0.156	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3 mm	2.92 mm		M2
Mounting Fixings HI-TORQUE INSERT, ALUMINUM 4.70X5.51 M4 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-M4-470 SI 1: €0.327 828In Stock	Mfr. Part No. IUTA-M4-470 Mouser Part No 153-IUTA-M4-470	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM 4.70X5.51 M4 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	828In Stock	€0.327 €0.229 €0.183 €0.173 View €0.146 €0.14 €0.137 €0.132	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	5.67 mm	4.7 mm		M4
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-032 SI 1: €0.447 483In Stock	Mfr. Part No. IUTB-032 Mouser Part No 153-IUTB-032	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	483In Stock	€0.447 €0.313 €0.251 €0.237 View €0.20 €0.192 €0.187 €0.181	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.253 in	0.375 in	0.273 in	10-32
Mounting Fixings HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-440-135 SI 1: €0.258 5,598In Stock	Mfr. Part No. IUTB-440-135 Mouser Part No 153-IUTB-440-135	SI	Mounting Fixings HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	5,598In Stock	€0.258 €0.181 €0.144 €0.136 View €0.114 €0.11 €0.108 €0.104	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.135 in		4-40
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-440 SI 1: €0.284 8,415In Stock	Mfr. Part No. IUTB-440 Mouser Part No 153-IUTB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,415In Stock	€0.284 €0.196 €0.157 €0.146 View €0.123 €0.12 €0.117 €0.114	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.179 in	4-40
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-032 SI 1: €0.834 1,183In Stock	Mfr. Part No. IUTC-032 Mouser Part No 153-IUTC-032	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1,183In Stock	€0.834 €0.621 €0.489 €0.415 View €0.401 €0.395	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.253 in	0.375 in	0.273 in	10-32
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-832 SI 1: €0.507 89In Stock	Mfr. Part No. IUTFB-832 Mouser Part No 153-IUTFB-832	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	89In Stock	€0.507 €0.363 €0.291 €0.261 View €0.243 €0.237 €0.223 €0.218 €0.211	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.223 in	0.321 in	0.281 in	8-32	Bulk
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-440-1 SI 1: €0.189 9,774In Stock	Mfr. Part No. IUB-440-1 Mouser Part No 153-IUB-440-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,774In Stock	€0.189 €0.133 €0.107 €0.101 View €0.084 €0.081 €0.079 €0.077	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-0428-1 SI 1: €1.09 694In Stock	Mfr. Part No. IUC-0428-1 Mouser Part No 153-IUC-0428-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	694In Stock	€1.09 €0.815 €0.635 €0.598 View €0.585 €0.566 €0.546 €0.526 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.349 in	0.3 in	0.375 in	1/4-28
Mounting Fixings HI-TORQUE INSERT, ALUM IUTA-M5 SI 1: €0.413 811In Stock	Mfr. Part No. IUTA-M5 Mouser Part No 153-IUTA-M5	SI	Mounting Fixings HI-TORQUE INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	811In Stock	€0.413 €0.292 €0.234 €0.221 View €0.187 €0.179 €0.175 €0.169	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	6.43 mm	9.52 mm	6.93 mm	M5
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-M2 SI 1: €0.421 7,224In Stock	Mfr. Part No. IUTC-M2 Mouser Part No 153-IUTC-M2	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7,224In Stock	€0.421 €0.298 €0.238 €0.224 View €0.19 €0.182 €0.178 €0.172	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	3.23 mm	4 mm	3.73 mm	M2
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-0420-1 SI 1: €0.473 555In Stock	Mfr. Part No. IUB-0420-1 Mouser Part No 153-IUB-0420-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	555In Stock	€0.473 €0.336 €0.269 €0.243 View €0.225 €0.219 €0.206 €0.202 €0.195	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.349 in	0.3 in	0.375 in	1/4-20
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-M5-1 SI 1: €0.37 6,331In Stock	Mfr. Part No. IUB-M5-1 Mouser Part No 153-IUB-M5-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	6,331In Stock	€0.37 €0.267 €0.213 €0.192 View €0.178 €0.173 €0.163 €0.16 €0.154	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	6.78 mm	5.72 mm	7.54 mm	M5
Mounting Fixings ULTRASONIC INSERT, BRASS IUBB-M5-1 SI 1: €0.37 682In Stock	Mfr. Part No. IUBB-M5-1 Mouser Part No 153-IUBB-M5-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	682In Stock	€0.37 €0.259 €0.207 €0.195 View €0.165 €0.158 €0.155 €0.15	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	7.7 mm	6.71 mm	8.33 mm	M5