Mounting Fixings – Mouser Switzerland

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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 The core pins are withdrawn when the mold is opened, leaving the inserts permanently encapsulated in the plastic section with only the threads exposed.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 (CHF) 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: 0.894 CHF 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	0.894 CHF 0.67 CHF 0.521 CHF 0.491 CHF View 0.48 CHF 0.464 CHF 0.448 CHF 0.432 CHF 0.426 CHF	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: 0.781 CHF 4 001In Stock 5 000On Order	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	4 001In Stock 5 000On Order	0.781 CHF 0.582 CHF 0.458 CHF 0.388 CHF View 0.375 CHF 0.37 CHF	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: 0.756 CHF 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	0.756 CHF 0.537 CHF 0.431 CHF 0.388 CHF View 0.359 CHF 0.35 CHF 0.33 CHF 0.323 CHF 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-632-8 SI 1: 0.716 CHF 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	0.716 CHF 0.531 CHF 0.413 CHF 0.389 CHF View 0.381 CHF 0.368 CHF 0.355 CHF 0.343 CHF 0.337 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.406 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-0420-10 SI 1: 0.693 CHF 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	0.693 CHF 0.514 CHF 0.40 CHF 0.34 CHF View 0.331 CHF 0.326 CHF	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: 0.652 CHF 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	0.652 CHF 0.485 CHF 0.377 CHF 0.356 CHF View 0.348 CHF 0.336 CHF 0.325 CHF 0.313 CHF 0.308 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.281 in	0.281 in	10-24
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M5 SI 1: 0.354 CHF 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	0.354 CHF 0.248 CHF 0.198 CHF 0.179 CHF View 0.164 CHF 0.161 CHF 0.152 CHF 0.148 CHF 0.143 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	7.13 mm	7.13 mm	M5
Mounting Fixings MOLD-IN INSERT, BRASS ITB-080 SI 1: 0.773 CHF 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	0.773 CHF 0.58 CHF 0.452 CHF 0.426 CHF View 0.417 CHF 0.402 CHF 0.388 CHF 0.375 CHF 0.37 CHF	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-632-8 SI 1: 0.434 CHF 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	0.434 CHF 0.31 CHF 0.248 CHF 0.223 CHF View 0.208 CHF 0.202 CHF 0.19 CHF 0.186 CHF 0.18 CHF	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: 0.402 CHF 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	0.402 CHF 0.285 CHF 0.229 CHF 0.215 CHF View 0.183 CHF 0.175 CHF 0.171 CHF 0.165 CHF	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: 0.523 CHF 1 544In Stock 109On Order	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 544In Stock 109On Order	0.523 CHF 0.372 CHF 0.298 CHF 0.268 CHF View 0.249 CHF 0.242 CHF 0.227 CHF 0.223 CHF 0.215 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	4 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: 0.371 CHF 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	0.371 CHF 0.268 CHF 0.214 CHF 0.193 CHF View 0.179 CHF 0.174 CHF 0.164 CHF 0.16 CHF 0.154 CHF	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: 0.491 CHF 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	0.491 CHF 0.344 CHF 0.276 CHF 0.26 CHF View 0.22 CHF 0.211 CHF 0.206 CHF 0.198 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	6.35 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, STAINLESS ITC-M3 SI 1: 0.548 CHF 1 253In 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 253In Stock	0.548 CHF 0.388 CHF 0.312 CHF 0.293 CHF View 0.248 CHF 0.238 CHF 0.233 CHF Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4.77 mm	4.77 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-3 SI 1: 0.499 CHF 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	0.499 CHF 0.357 CHF 0.285 CHF 0.256 CHF View 0.239 CHF 0.232 CHF 0.219 CHF 0.214 CHF 0.207 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	3 mm	6.35 mm	M4
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-632-12 SI 1: 0.443 CHF 678In Stock	Mfr. Part No. STKB-632-12 Mouser Part No 153-STKB-632-12	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	678In Stock	0.443 CHF 0.314 CHF 0.252 CHF 0.227 CHF View 0.211 CHF 0.204 CHF 0.193 CHF 0.189 CHF 0.183 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.375 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M5-12 SI 1: 0.62 CHF 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	0.62 CHF 0.438 CHF 0.35 CHF 0.33 CHF View 0.28 CHF 0.268 CHF 0.262 CHF 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: 0.257 CHF 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	0.257 CHF 0.187 CHF 0.15 CHF 0.135 CHF View 0.124 CHF 0.122 CHF 0.114 CHF 0.112 CHF 0.109 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.77 mm	4.77 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-832-24 SI 1: 0.709 CHF 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	0.709 CHF 0.528 CHF 0.411 CHF 0.388 CHF View 0.378 CHF 0.365 CHF 0.353 CHF 0.341 CHF 0.336 CHF	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: 0.394 CHF 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	0.394 CHF 0.28 CHF 0.225 CHF 0.202 CHF View 0.187 CHF 0.183 CHF 0.172 CHF 0.168 CHF 0.163 CHF	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: 0.693 CHF 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	0.693 CHF 0.496 CHF 0.397 CHF 0.358 CHF View 0.331 CHF 0.323 CHF 0.304 CHF 0.298 CHF Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4 mm	4.74 mm	M3
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-632-6 SI 1: 0.70 CHF 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	0.70 CHF 0.52 CHF 0.405 CHF 0.382 CHF View 0.373 CHF 0.359 CHF 0.348 CHF 0.335 CHF 0.33 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.344 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-0420-4 SI 1: 0.917 CHF 303In Stock	Mfr. Part No. IBC-0420-4 Mouser Part No 153-IBC-0420-4	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	303In Stock	0.917 CHF 0.688 CHF 0.536 CHF 0.505 CHF View 0.494 CHF 0.477 CHF 0.461 CHF 0.446 CHF 0.438 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.344 in	0.344 in	1/4-20
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-M3-4 SI 1: 0.70 CHF 1 900In Stock	Mfr. Part No. IBC-M3-4 Mouser Part No 153-IBC-M3-4	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	1 900In Stock	0.70 CHF 0.494 CHF 0.395 CHF 0.373 CHF View 0.315 CHF 0.302 CHF 0.296 CHF Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	5.21 mm	4.78 mm	M3
Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM STKA-M3-3 SI 1: 0.217 CHF 719In Stock	Mfr. Part No. STKA-M3-3 Mouser Part No 153-STKA-M3-3	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM Learn More about SI molded in inserts	Datasheet	719In Stock	0.217 CHF 0.154 CHF 0.124 CHF 0.117 CHF View 0.098 CHF 0.095 CHF 0.093 CHF 0.089 CHF	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	3 mm	4.74 mm	M3