Mounting Fixings – Mouser United Kingdom

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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 The core pins are withdrawn when the mold is opened, leaving the inserts permanently encapsulated in the plastic section with only the threads exposed.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.

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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-M3-6 SI 1: £0.705 4,197In Stock	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	4,197In Stock	£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 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 INTERNAL-THRD SPACR KBRL BRASS STKB-M3-3 SI 1: £0.465 19,865In Stock	Mfr. Part No. STKB-M3-3 Mouser Part No 153-STKB-M3-3	SI	Mounting Fixings INTERNAL-THRD SPACR KBRL BRASS Learn More about SI molded in inserts	Datasheet	19,865In Stock	£0.465 £0.329 £0.264 £0.237 View £0.22 £0.214 £0.201 £0.196 £0.19	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	3 mm	4.74 mm	M3
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, BRASS ITB-M5 SI 1: £0.45 8,027In Stock	Mfr. Part No. ITB-M5 Mouser Part No 153-ITB-M5	SI	Mounting Fixings MOLD-IN INSERT, BRASS Learn More about SI molded in inserts	Datasheet	8,027In Stock	£0.45 £0.318 £0.255 £0.239 View £0.203 £0.195 £0.19 £0.184	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	7.13 mm	7.13 mm	M5
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, 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 MOLD-IN INSERT, STAINLESS ITC-M3 SI 1: £0.511 1,263In Stock	Mfr. Part No. ITC-M3 Mouser Part No 153-ITC-M3	SI	Mounting Fixings MOLD-IN INSERT, STAINLESS Learn More about SI molded in inserts	Datasheet	1,263In Stock	£0.511 £0.362 £0.291 £0.273 View £0.231 £0.222 £0.217 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4.77 mm	4.77 mm	M3
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-440-8 SI 1: £0.346 2,435In 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	2,435In 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,BLIND,STAINLESS IBC-632-6 SI 1: £0.653 10,567In 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	10,567In 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-M5-12 SI 1: £0.578 931In 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	931In 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,BLIND,STAINLESS IBC-M3-12 SI 1: £0.759 9,820In Stock	Mfr. Part No. IBC-M3-12 Mouser Part No 153-IBC-M3-12	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	9,820In Stock	£0.759 £0.561 £0.437 £0.412 View £0.402 £0.388 £0.375 £0.362 £0.357	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	11.13 mm	4.78 mm	M3
Mounting Fixings MOLD-IN INSERT, BRASS ITB-M3 SI 1: £0.285 5,450In Stock	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	5,450In Stock	£0.285 £0.201 £0.161 £0.144 View £0.132 £0.13 £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-M4-10 SI 1: £0.586 10,000In 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	10,000In 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 INTERNAL-THRD SPACR KNRL BRASS STKB-832-8 SI 1: £0.54 6,606In Stock	Mfr. Part No. STKB-832-8 Mouser Part No 153-STKB-832-8	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	6,606In Stock	£0.54 £0.381 £0.305 £0.275 View £0.255 £0.247 £0.233 £0.228 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.25 in	0.25 in	8-32
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 ASSEMBLY,LOCKING, ONE PIECE IBLC-632-8 SI 1: £2.29 4,935In Stock	Mfr. Part No. IBLC-632-8 Mouser Part No 153-IBLC-632-8	SI	Mounting Fixings ASSEMBLY,LOCKING, ONE PIECE Learn More about SI molded in inserts	Datasheet	4,935In Stock	£2.29 £1.71 £1.34 £1.26 View £1.23 £1.19 £1.14 Quote	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-632-4 SI 1: £0.323 67In Stock	Mfr. Part No. IBB-632-4 Mouser Part No 153-IBB-632-4	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	67In Stock	£0.323 £0.233 £0.187 £0.168 View £0.156 £0.152 £0.143 £0.14 £0.135	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.25 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M3-12 SI 1: £0.48 17In Stock	Mfr. Part No. IBB-M3-12 Mouser Part No 153-IBB-M3-12	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	17In Stock	£0.48 £0.341 £0.273 £0.246 View £0.228 £0.223 £0.21 £0.205 £0.198	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	11.13 mm	4.78 mm	M3
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M4-4 SI 1: £0.33 1,724In Stock	Mfr. Part No. IBB-M4-4 Mouser Part No 153-IBB-M4-4	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1,724In Stock	£0.33 £0.231 £0.185 £0.175 View £0.148 £0.141 £0.138 £0.134	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	6.35 mm	6.35 mm	M4
Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM STKA-M4-6 SI 1: £0.21 630In Stock	Mfr. Part No. STKA-M4-6 Mouser Part No 153-STKA-M4-6	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM Learn More about SI molded in inserts	Datasheet	630In Stock	£0.21 £0.145 £0.116 £0.11 View £0.093 £0.088 £0.086 £0.083	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	6 mm	6.35 mm	M4