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    3,626 Products
    About Threaded Inserts
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    Choose the right threaded insert for your application and learn how to install it securely.

    Seize-Resistant Helical Threaded Inserts for Dissimilar Metals

    Image of Product. Bottom orientation. Threaded Inserts. Seize-Resistant Helical Threaded Inserts for Dissimilar Metals.
    Skip the primer. These inserts are coated to resist galvanic corrosion when used with aluminum or magnesium. The coating also prevents the screw from sticking or binding during installation. Also known as Heli-Coil inserts.
    Installation requires a drill bit, a helical insert tap, and an installation tool.
    Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
    Dry-Film-Lubricated 18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
    Inserts
    Through-Hole
    Taps
    Closed-End
    Hole Taps
    Installation
    Tools
    Prong
    Break-Off Tools
    Thread Size
    Installed
    Lg.
    Drill Bit
    Size
    For Max.
    Hole Dia.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Each
    Each
    Each
    Each
    Pronged
     
    Dry-Film-Lubricated 18-8 Stainless Steel
    2-56
    		0.086"41 Ga.
    		0.096"—196246A0090000091709A09800000091709A40100000090261A14000000092955A1010000000
    2-56
    		0.172"41 Ga.
    		0.096"—196246A038000091709A0980000091709A4010000090261A1400000092955A101000000
    4-40
    		0.112"31 Ga.
    		0.120"—196246A047000091709A1010000091709A4070000090261A15100000092955A103000000
    4-40
    		0.168"31 Ga.
    		0.120"—196246A065000091709A1010000091709A4070000090261A15100000092955A103000000
    4-40
    		0.224"31 Ga.
    		0.120"—196246A094000091709A1010000091709A4070000090261A15100000092955A103000000
    6-32
    		0.138"25 Ga.
    		0.150"—196246A095000091709A1020000091709A4160000090261A15200000092955A10500000
    6-32
    		0.207"25 Ga.
    		0.150"—196246A109000091709A1020000091709A4160000090261A15200000092955A10500000
    6-32
    		0.276"25 Ga.
    		0.150"—196246A125000091709A1020000091709A4160000090261A15200000092955A10500000
    10-24
    		0.285"5 Ga.
    		0.206"—196246A285000091709A1040000091709A4280000090261A15400000092955A10900000
    10-32
    		0.190"13/64"
    		0.203"—196246A261000091709A1510000091709A4310000090261A16100000092955A10900000
    10-32
    		0.285"13/64"
    		0.203"—196246A278000091709A1510000091709A4310000090261A16100000092955A10900000
    10-32
    		0.380"13/64"
    		0.203"—196246A332000091709A1510000091709A4310000090261A16100000092955A10900000
    1/4"-20
    		0.250"H
    		0.266"—196246A177000091709A1050000091709A4370000090261A15500000092955A11100000
    1/4"-20
    		0.375"H
    		0.266"—196246A193000091709A1050000091709A4370000090261A15500000092955A11100000
    1/4"-20
    		0.500"H
    		0.266"—196246A208000091709A1050000091709A4370000090261A15500000092955A11100000
    5/16"-18
    		0.312"Q
    		0.332"—196246A219000091709A1060000091709A4430000090261A15600000092955A113000000
    5/16"-18
    		0.469"Q
    		0.332"—196246A234000091709A1060000091709A4430000090261A15600000092955A113000000
    5/16"-18
    		0.625"Q
    		0.332"—196246A248000091709A1060000091709A4430000090261A15600000092955A113000000
    M3 x 0.5 mm4.5 mm3.2 mm
    		3.2 mmDIN 8140193914A312000091709A3550000091709A5240000090261A18800000092955A155000000
    Helical Insert, Lubricated 18-8 Stainless Steel, M3 x 0.5 mm Thread Size, 4.5 mm Long
    Pack of 1In stock
    Compatible Products for This Threaded Insert
    M3 x 0.5 mm6 mm3.2 mm
    		3.2 mmDIN 8140193914A317000091709A3550000091709A5240000090261A18800000092955A155000000
    M4 x 0.7 mm4 mm19 Ga.
    		0.166"—193914A323000091709A3590000091709A5270000090261A19000000092955A160000000
    M4 x 0.7 mm6 mm19 Ga.
    		0.166"—193914A329000091709A3590000091709A5270000090261A19000000092955A160000000
    M4 x 0.7 mm8 mm19 Ga.
    		0.166"DIN 8140193914A334000091709A3590000091709A5270000090261A19000000092955A160000000
    M5 x 0.8 mm5 mm5.3 mm
    		5.3 mmDIN 8140193914A341000091709A2010000091709A5300000090261A19100000092955A12900000
    M5 x 0.8 mm7.5 mm5.3 mm
    		5.3 mm—193914A346000091709A2010000091709A5300000090261A19100000092955A12900000
    M5 x 0.8 mm10 mm5.3 mm
    		5.3 mmDIN 8140193914A338000091709A2010000091709A5300000090261A19100000092955A12900000
    M6 x 1 mm9 mm6.3 mm
    		6.3 mmDIN 8140193914A355000091709A2020000091709A5330000090261A19200000092955A13100000
    M6 x 1 mm12 mm6.3 mm
    		6.3 mmDIN 8140193914A359000091709A2020000091709A5330000090261A19200000092955A13100000
    M8 x 1.25 mm8 mm8.4 mm
    		8.4 mmDIN 8140193914A363000091709A2040000091709A5420000090261A19400000092955A133000000
    M8 x 1.25 mm12 mm8.4 mm
    		8.4 mmDIN 8140193914A367000091709A2040000091709A5420000090261A19400000092955A133000000
    M8 x 1.25 mm16 mm8.4 mm
    		8.4 mmDIN 8140193914A371000091709A2040000091709A5420000090261A19400000092955A133000000
     
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    Other Threaded Inserts
    Helical Inserts
    Key-Locking Inserts
    Heat-Set Inserts
    Tapping Inserts
    Press-In Inserts
    Hammer-In Inserts