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 The core pins are withdrawn when the mold is opened, leaving the inserts permanently encapsulated in the plastic section with only the threads exposed.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

Results: 558
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Type Material Length Outside Diameter Thread Size
SI Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS 1,590In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.205 in 0.188 in 4-40
SI Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS 229In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.25 in 0.375 in 1/4-20
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 2,110In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.438 in 0.281 in 10-24
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 25In Stock
1,000Expected 03/04/2026
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.205 in 0.188 in 4-40
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 540In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 15.87 mm 8.74 mm M6
SI Mounting Fixings MOLD-IN INSERT, ALUM 675In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.125 in 0.109 in 0-80
SI Mounting Fixings MOLD-IN INSERT, BRASS 842In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.188 in 0.188 in 4-40
SI Mounting Fixings MOLD-IN INSERT, BRASS 505In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 6.35 mm 6.35 mm M4
SI Mounting Fixings SPACER, KNURLED, STAINLESS 4,639In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 0.125 in 0.188 in 4-40
SI Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS 93In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 8.73 mm 4.78 mm M3
SI Mounting Fixings INTERNAL THRD SPACER KNRL S/S 555In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 8 mm 4.74 mm M3
SI Mounting Fixings MOLD-IN INSERT ALUM 2,828In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 10.31 mm 4.78 mm M3
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 1,729In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.344 in 0.25 in 8-32
SI Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS 350In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 11.91 mm 6.35 mm M4
SI Mounting Fixings MOLD-IN INSERT, STAINLESS 800In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 4.77 mm 4.77 mm M3
SI Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS 350In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 6 mm 4.74 mm M3
SI Mounting Fixings MOLD-IN INSERT, BLIND, ALUM 294In Stock
1,000Expected 25/05/2026
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 0.531 in 0.281 in 10-24
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 267In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.25 in 0.219 in 6-32
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 2,929In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 6.35 mm 6.35 mm M4
SI Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM 750In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 6 mm 6.35 mm M4
SI Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS 958In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Stainless Steel 5.21 mm 4.78 mm M3
SI Mounting Fixings MOLD-IN INSERT, BRASS 848In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.125 in 0.109 in 0-80
SI Mounting Fixings INTERNAL-THRD SPACR KNRL ALUM 843In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Aluminum 3 mm 4.74 mm M3
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 1,783In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 0.281 in 0.188 in 4-40
SI Mounting Fixings MOLD-IN INSERT, BLIND, BRASS 770In Stock
Min.: 1
Mult.: 1

Inserts Threaded Insert Leaded Brass 10.31 mm 6.35 mm M4