Mounting Fixings – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

Molded-In Inserts

SI (Standard Inserts) Molded-In Inserts are installed during the molding process, and the inserts are located in the mold cavity by core pins. The core pins are withdrawn when the mold is opened, leaving the inserts permanently encapsulated in the plastic section with only the threads exposed. Inserts installed during the molding process avoid the need for additional procedures or installation equipment. The molded-in inserts include blind threaded inserts (IBA/IBB/IBC), self-locking blind threaded inserts (ILBC), through threaded inserts ( ITA/ITB/ITC), and knurled inserts (STKA/STKB/STKC). Typical applications include electronics (wearables, smartphones, and hand-held devices), automotive, aerospace and defense, medical, transportation, industrial, and recreational equipment.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 558

Applied Filters:

Material

Length

Outside Diameter

Thread Size

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Length	Outside Diameter	Thread Size
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-832-12 SI 1: £0.834 9,092In Stock	Mfr. Part No. IBC-832-12 Mouser Part No 153-IBC-832-12	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	9,092In Stock	£0.834 £0.625 £0.486 £0.458 View £0.448 £0.433 £0.418 £0.403 £0.397	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.531 in	0.25 in	8-32
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-M4-8 SI 1: £0.728 9,001In Stock	Mfr. Part No. IBC-M4-8 Mouser Part No 153-IBC-M4-8	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	9,001In Stock	£0.728 £0.543 £0.427 £0.362 View £0.35 £0.345	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	10.31 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-M3-6 SI 1: £0.705 4,192In Stock 10,000Expected 12/02/2027	Mfr. Part No. IBC-M3-6 Mouser Part No 153-IBC-M3-6	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	4,192In Stock 10,000Expected 12/02/2027	£0.705 £0.501 £0.402 £0.361 View £0.335 £0.327 £0.308 £0.301 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	7.13 mm	4.78 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-10 SI 1: £0.586 9,900In Stock	Mfr. Part No. STKB-M4-10 Mouser Part No 153-STKB-M4-10	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	9,900In Stock	£0.586 £0.411 £0.33 £0.297 View £0.275 £0.267 £0.252 £0.246 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	10 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-0420-10 SI 1: £0.646 4,993In Stock	Mfr. Part No. IBB-0420-10 Mouser Part No 153-IBB-0420-10	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	4,993In Stock	£0.646 £0.479 £0.373 £0.317 View £0.309 £0.304	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.719 in	0.344 in	1/4-20
Mounting Fixings MOLD-IN INSERT, STAINLESS ITC-024 SI 1: £0.608 7,054In Stock	Mfr. Part No. ITC-024 Mouser Part No 153-ITC-024	SI	Mounting Fixings MOLD-IN INSERT, STAINLESS Learn More about SI molded in inserts	Datasheet	7,054In Stock	£0.608 £0.452 £0.356 £0.302 View £0.292 £0.287	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.281 in	0.281 in	10-24
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-632-8 SI 1: £0.668 9,908In Stock	Mfr. Part No. IBC-632-8 Mouser Part No 153-IBC-632-8	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	9,908In Stock	£0.668 £0.495 £0.385 £0.363 View £0.355 £0.343 £0.331 £0.32 £0.314	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.406 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M5 SI 1: £0.33 10,000In Stock	Mfr. Part No. ITA-M5 Mouser Part No 153-ITA-M5	SI	Mounting Fixings MOLD-IN INSERT, ALUM Learn More about SI molded in inserts	Datasheet	10,000In Stock	£0.33 £0.231 £0.185 £0.167 View £0.153 £0.15 £0.141 £0.138 £0.134	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	7.13 mm	7.13 mm	M5
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M5-12 SI 1: £0.578 531In Stock	Mfr. Part No. IBB-M5-12 Mouser Part No 153-IBB-M5-12	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	531In Stock	£0.578 £0.409 £0.327 £0.308 View £0.261 £0.25 £0.244 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	13.48 mm	7.14 mm	M5
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M3 SI 1: £0.24 579In Stock	Mfr. Part No. ITA-M3 Mouser Part No 153-ITA-M3	SI	Mounting Fixings MOLD-IN INSERT, ALUM Learn More about SI molded in inserts	Datasheet	579In Stock	£0.24 £0.175 £0.14 £0.126 View £0.116 £0.113 £0.107 £0.105 £0.101	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.77 mm	4.77 mm	M3
Mounting Fixings MOLD-IN INSERT, BRASS ITB-M3 SI 1: £0.285 1,214In Stock 10,000Expected 18/11/2026	Mfr. Part No. ITB-M3 Mouser Part No 153-ITB-M3	SI	Mounting Fixings MOLD-IN INSERT, BRASS Learn More about SI molded in inserts	Datasheet	1,214In Stock 10,000Expected 18/11/2026	£0.285 £0.201 £0.161 £0.151 View £0.127 £0.122 £0.12 £0.115	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	4.77 mm	4.77 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-3 SI 1: £0.465 997In Stock	Mfr. Part No. STKB-M4-3 Mouser Part No 153-STKB-M4-3	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	997In Stock	£0.465 £0.333 £0.266 £0.239 View £0.223 £0.217 £0.204 £0.20 £0.193	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	3 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: £0.346 1,935In Stock	Mfr. Part No. IBB-440-8 Mouser Part No 153-IBB-440-8	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,935In Stock	£0.346 £0.25 £0.20 £0.18 View £0.167 £0.162 £0.153 £0.149 £0.144	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.344 in	0.188 in	4-40
Mounting Fixings MOLD-IN INSERT, BRASS ITB-M4 SI 1: £0.458 807In Stock	Mfr. Part No. ITB-M4 Mouser Part No 153-ITB-M4	SI	Mounting Fixings MOLD-IN INSERT, BRASS Learn More about SI molded in inserts	Datasheet	807In Stock	£0.458 £0.321 £0.258 £0.243 View £0.205 £0.196 £0.192 £0.185	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	6.35 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, BRASS ITB-080 SI 1: £0.721 256In Stock 92On Order	Mfr. Part No. ITB-080 Mouser Part No 153-ITB-080	SI	Mounting Fixings MOLD-IN INSERT, BRASS Learn More about SI molded in inserts	Datasheet	256In Stock 92On Order	£0.721 £0.541 £0.422 £0.397 View £0.388 £0.375 £0.362 £0.35 £0.345	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.125 in	0.109 in	0-80
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-256-12 SI 1: £0.608 1,240In Stock	Mfr. Part No. IBB-256-12 Mouser Part No 153-IBB-256-12	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,240In Stock	£0.608 £0.435 £0.347 £0.313 View £0.291 £0.283 £0.266 £0.26 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.344 in	0.344 in	2-56
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-632-8 SI 1: £0.405 1,900In Stock	Mfr. Part No. IBB-632-8 Mouser Part No 153-IBB-632-8	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,900In Stock	£0.405 £0.289 £0.231 £0.208 View £0.194 £0.189 £0.177 £0.174 £0.168	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.406 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M4-6 SI 1: £0.375 1,997In Stock	Mfr. Part No. IBB-M4-6 Mouser Part No 153-IBB-M4-6	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,997In Stock	£0.375 £0.266 £0.214 £0.201 View £0.17 £0.163 £0.16 £0.154	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	8.73 mm	6.35 mm	M4
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-4 SI 1: £0.488 1,653In Stock	Mfr. Part No. STKB-M4-4 Mouser Part No 153-STKB-M4-4	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	1,653In Stock	£0.488 £0.347 £0.278 £0.25 View £0.232 £0.226 £0.212 £0.208 £0.201	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	4 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-632-6 SI 1: £0.368 1,282In Stock	Mfr. Part No. IBB-632-6 Mouser Part No 153-IBB-632-6	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,282In Stock	£0.368 £0.261 £0.21 £0.189 View £0.175 £0.17 £0.161 £0.157 £0.152	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.344 in	0.219 in	6-32
Mounting Fixings INTERNAL THRD SPACER KNRL S/S STKC-M3-4 SI 1: £0.646 701In Stock	Mfr. Part No. STKC-M3-4 Mouser Part No 153-STKC-M3-4	SI	Mounting Fixings INTERNAL THRD SPACER KNRL S/S Learn More about SI molded in inserts	Datasheet	701In Stock	£0.646 £0.463 £0.37 £0.333 View £0.309 £0.301 £0.284 £0.278 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4 mm	4.74 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-832-24 SI 1: £0.661 9,125In Stock	Mfr. Part No. STKB-832-24 Mouser Part No 153-STKB-832-24	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	9,125In Stock	£0.661 £0.492 £0.383 £0.361 View £0.353 £0.34 £0.329 £0.318 £0.313	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.75 in	0.25 in	8-32
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-632-6 SI 1: £0.653 10,217In Stock	Mfr. Part No. IBC-632-6 Mouser Part No 153-IBC-632-6	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	10,217In Stock	£0.653 £0.485 £0.378 £0.356 View £0.347 £0.335 £0.325 £0.313 £0.308	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.344 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M5-4 SI 1: £0.496 843In Stock	Mfr. Part No. IBB-M5-4 Mouser Part No 153-IBB-M5-4	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	843In Stock	£0.496 £0.352 £0.282 £0.265 View £0.225 £0.216 £0.211 £0.203	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	7.13 mm	7.14 mm	M5
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M3-10 SI 1: £0.39 440In Stock	Mfr. Part No. IBB-M3-10 Mouser Part No 153-IBB-M3-10	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	440In Stock	£0.39 £0.277 £0.222 £0.209 View £0.176 £0.169 £0.166 £0.16	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	10.31 mm	4.78 mm	M3