Mounting Fixings – Mouser Hong Kong

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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 The core pins are withdrawn when the mold is opened, leaving the inserts permanently encapsulated in the plastic section with only the threads exposed.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 (HKD) 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: HK$9.12 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	HK$9.12 HK$6.84 HK$5.33 HK$5.01 View HK$4.91 HK$4.74 HK$4.58 HK$4.41 Quote	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-M3-6 SI 1: HK$7.73 10,000In 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	10,000In Stock	HK$7.73 HK$5.49 HK$4.40 HK$3.95 View HK$3.67 HK$3.58 HK$3.37 HK$3.30 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	7.13 mm	4.78 mm	M3
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M5 SI 1: HK$3.21 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	HK$3.21 HK$2.25 HK$1.80 HK$1.69 View HK$1.44 HK$1.37 HK$1.35 HK$1.30	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	7.13 mm	7.13 mm	M5
Mounting Fixings INTERNAL-THRD SPACR KBRL BRASS STKB-M3-3 SI 1: HK$5.10 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	HK$5.10 HK$3.60 HK$2.89 HK$2.60 View HK$2.41 HK$2.34 HK$2.20 HK$2.15 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	3 mm	4.74 mm	M3
Mounting Fixings MOLD-IN INSERT, BRASS ITB-M5 SI 1: HK$4.93 7,694In Stock 333Expected 29/10/2026	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	7,694In Stock 333Expected 29/10/2026	HK$4.93 HK$3.48 HK$2.79 HK$2.62 View HK$2.22 HK$2.13 HK$2.08 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	7.13 mm	7.13 mm	M5
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-0420-10 SI 1: HK$7.07 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	HK$7.07 HK$5.24 HK$4.09 HK$3.47 View HK$3.39 HK$3.33	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.719 in	0.344 in	1/4-20
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-M3-8 SI 1: HK$3.70 11,293In Stock 10,000Expected 5/2/2027	Mfr. Part No. IBB-M3-8 Mouser Part No 153-IBB-M3-8	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	11,293In Stock 10,000Expected 5/2/2027	HK$3.70 HK$2.68 HK$2.15 HK$1.93 View HK$1.79 HK$1.74 HK$1.64 HK$1.60 HK$1.55	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	8.37 mm	4.78 mm	M3
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-632-6 SI 1: HK$7.15 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	HK$7.15 HK$5.31 HK$4.13 HK$3.90 View HK$3.81 HK$3.67 HK$3.55 HK$3.42 HK$3.37	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.344 in	0.219 in	6-32
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-832-24 SI 1: HK$7.23 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	HK$7.23 HK$5.39 HK$4.20 HK$3.95 View HK$3.86 HK$3.73 HK$3.60 HK$3.48 HK$3.43	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	0.75 in	0.25 in	8-32
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M3 SI 1: HK$2.63 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	HK$2.63 HK$1.91 HK$1.53 HK$1.37 View HK$1.27 HK$1.24 HK$1.17 HK$1.14 HK$1.11	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.77 mm	4.77 mm	M3
Mounting Fixings MOLD-IN INSERT, STAINLESS ITC-M3 SI 1: HK$5.59 1,715In 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	1,715In Stock	HK$5.59 HK$3.97 HK$3.18 HK$2.99 View HK$2.53 HK$2.42 HK$2.38 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4.77 mm	4.77 mm	M3
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-632-6 SI 1: HK$4.03 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	HK$4.03 HK$2.86 HK$2.29 HK$2.06 View HK$1.92 HK$1.87 HK$1.76 HK$1.72 HK$1.66	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: HK$7.07 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	HK$7.07 HK$5.06 HK$4.05 HK$3.65 View HK$3.39 HK$3.30 HK$3.11 HK$3.04 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	4 mm	4.74 mm	M3
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: HK$3.78 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	HK$3.78 HK$2.73 HK$2.19 HK$1.96 View HK$1.82 HK$1.78 HK$1.68 HK$1.64 HK$1.58	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: HK$5.01 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	HK$5.01 HK$3.52 HK$2.82 HK$2.66 View HK$2.24 HK$2.15 HK$2.10 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass	6.35 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, STAINLESS ITC-024 SI 1: HK$6.66 10,554In 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	10,554In Stock	HK$6.66 HK$4.95 HK$3.86 HK$3.63 View HK$3.55 HK$3.43 HK$3.31 HK$3.19 HK$3.15	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-M3-12 SI 1: HK$8.30 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	HK$8.30 HK$6.15 HK$4.79 HK$4.51 View HK$4.41 HK$4.26 HK$4.11 HK$3.97 HK$3.90	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: HK$3.12 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	HK$3.12 HK$2.19 HK$1.76 HK$1.62 View HK$1.41 HK$1.34 HK$1.31 HK$1.27	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: HK$6.41 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	HK$6.41 HK$4.50 HK$3.61 HK$3.25 View HK$3.01 HK$2.93 HK$2.76 HK$2.70 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: HK$5.92 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	HK$5.92 HK$4.17 HK$3.34 HK$3.01 View HK$2.79 HK$2.70 HK$2.55 HK$2.50 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: HK$7.32 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	HK$7.32 HK$5.42 HK$4.22 HK$3.98 View HK$3.89 HK$3.76 HK$3.63 HK$3.49 HK$3.44	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: HK$25.07 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	HK$25.07 HK$18.74 HK$14.63 HK$13.73 View HK$13.48 HK$13.15 HK$12.41 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.406 in	0.219 in	6-32
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-M4-4 SI 1: HK$6.58 244In Stock	Mfr. Part No. IBC-M4-4 Mouser Part No 153-IBC-M4-4	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	244In Stock	HK$6.58 HK$4.91 HK$3.87 HK$3.28 View HK$3.16 HK$3.12	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	6.35 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT, ALUM ITA-M4 SI 1: HK$3.12 195In Stock	Mfr. Part No. ITA-M4 Mouser Part No 153-ITA-M4	SI	Mounting Fixings MOLD-IN INSERT, ALUM Learn More about SI molded in inserts	Datasheet	195In Stock	HK$3.12 HK$2.27 HK$1.82 HK$1.64 View HK$1.52 HK$1.48 HK$1.39 HK$1.36 HK$1.32	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	6.35 mm	6.35 mm	M4
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-0420-4 SI 1: HK$9.37 1,303In 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	1,303In Stock	HK$9.37 HK$7.03 HK$5.47 HK$5.16 View HK$5.05 HK$4.87 HK$4.71 HK$4.55 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.344 in	0.344 in	1/4-20