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    86 Products
    About Threaded Inserts
    industrial info icon

    Choose the right threaded insert for your application and learn how to install it securely.

    Seize-Resistant Helical Threaded Inserts

    Image of Product. Pronged. Bottom orientation. Threaded Inserts. Seize-Resistant Helical Threaded Inserts, Pronged.

    Pronged

    Install and remove screws repeatedly without sticking or binding. These inserts have a dry-film lubricant on their surface for smooth installation. They're ideal for parts that require frequent disassembly for inspection or repair. 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"MIL-I-8846, MS122095191000A1100000091709A09800000091709A40100000090261A14000000092955A1010000000
    2-56
    		0.129"41 Ga.
    		0.096"MIL-I-8846, MS122135191000A113000091709A0980000091709A4010000090261A1400000092955A101000000
    2-56
    		0.172"41 Ga.
    		0.096"MIL-I-8846, MS122175191000A116000091709A0980000091709A4010000090261A1400000092955A101000000
    4-40
    		0.112"31 Ga.
    		0.120"MIL-I-8846, MS122076191000A121000091709A1010000091709A4070000090261A15100000092955A103000000
    4-40
    		0.168"31 Ga.
    		0.120"MIL-I-8846, MS122116191000A124000091709A1010000091709A4070000090261A15100000092955A103000000
    4-40
    		0.224"31 Ga.
    		0.120"MIL-I-8846, MS122156191000A127000091709A1010000091709A4070000090261A15100000092955A103000000
    6-32
    		0.138"25 Ga.
    		0.150"MIL-I-8846, MS122078191000A132000091709A1020000091709A4160000090261A15200000092955A10500000
    6-32
    		0.207"25 Ga.
    		0.150"MIL-I-8846, MS122118191000A135000091709A1020000091709A4160000090261A15200000092955A10500000
    6-32
    		0.276"25 Ga.
    		0.150"MIL-I-8846, MS122158191000A138000091709A1020000091709A4160000090261A15200000092955A10500000
    10-24
    		0.285"5 Ga.
    		0.206"MIL-I-8846, MS122120191000A144000091709A1040000091709A4280000090261A15400000092955A10900000
    10-32
    		0.190"13/64"
    		0.203"MIL-I-8846, MS124655191000A172000091709A1510000091709A4310000090261A16100000092955A10900000
    10-32
    		0.285"13/64"
    		0.203"MIL-I-8846, MS124695191000A174000091709A1510000091709A4310000090261A16100000092955A10900000
    10-32
    		0.380"13/64"
    		0.203"MIL-I-8846, MS124735191000A177000091709A1510000091709A4310000090261A16100000092955A10900000
    1/4"-20
    		0.250"H
    		0.266"MIL-I-8846, MS122081191000A150000091709A1050000091709A4370000090261A15500000092955A11100000
    1/4"-20
    		0.375"H
    		0.266"MIL-I-8846, MS122121191000A153000091709A1050000091709A4370000090261A15500000092955A11100000
    1/4"-20
    		0.500"H
    		0.266"MIL-I-8846, MS122161191000A156000091709A1050000091709A4370000090261A15500000092955A11100000
    5/16"-18
    		0.312"Q
    		0.332"MIL-I-8846, MS122082191000A160000091709A1060000091709A4430000090261A15600000092955A113000000
    5/16"-18
    		0.469"Q
    		0.332"MIL-I-8846, MS122121191000A164000091709A1060000091709A4430000090261A15600000092955A113000000
    5/16"-18
    		0.625"Q
    		0.332"MIL-I-8846, MS122162191000A168000091709A1060000091709A4430000090261A15600000092955A113000000
    M2.5 x 0.45 mm2.5 mm37 Ga.
    		0.104"DIN 8140, SAE MA3280-101, MIL-I-8846191000A016000091709A6780000091709A5780000090261A18700000092955A204000000
    M2.5 x 0.45 mm5 mm37 Ga.
    		0.104"DIN 8140, SAE MA3280-201, MIL-I-8846191000A019000091709A6780000091709A5780000090261A18700000092955A204000000
    M3 x 0.5 mm3 mm3.2 mm
    		3.2 mmDIN 8140, SAE MA3280-102, MIL-I-8846191000A022000091709A3550000091709A5240000090261A18800000092955A155000000
    M3 x 0.5 mm4.5 mm3.2 mm
    		3.2 mmDIN 8140, SAE MA3280-152, MIL-I-8846191000A025000091709A3550000091709A5240000090261A18800000092955A155000000
    M3 x 0.5 mm6 mm3.2 mm
    		3.2 mmDIN 8140, SAE MA3280-202, MIL-I-8846191000A028000091709A3550000091709A5240000090261A18800000092955A155000000
    M4 x 0.7 mm4 mm19 Ga.
    		0.166"DIN 8140, SAE MA3280-104, MIL-I-8846191000A031000091709A3590000091709A5270000090261A19000000092955A160000000
    M4 x 0.7 mm6 mm19 Ga.
    		0.166"DIN 8140, SAE MA3280-154, MIL-I-8846191000A034000091709A3590000091709A5270000090261A19000000092955A160000000
    M4 x 0.7 mm8 mm19 Ga.
    		0.166"DIN 8140, SAE MA3280-204, MIL-I-8846191000A037000091709A3590000091709A5270000090261A19000000092955A160000000
    M5 x 0.8 mm5 mm5.3 mm
    		5.3 mmDIN 8140, SAE MA3280-105, MIL-I-8846191000A042000091709A2010000091709A5300000090261A19100000092955A12900000
    M5 x 0.8 mm7.5 mm5.3 mm
    		5.3 mmDIN 8140, SAE MA3280-155, MIL-I-8846191000A046000091709A2010000091709A5300000090261A19100000092955A12900000
    M6 x 1 mm6 mm6.3 mm
    		6.3 mmDIN 8140, SAE MA3280-106, MIL-I-8846191000A050000091709A2020000091709A5330000090261A19200000092955A13100000
    M6 x 1 mm9 mm6.3 mm
    		6.3 mmDIN 8140, SAE MA3280-156, MIL-I-8846191000A053000091709A2020000091709A5330000090261A19200000092955A13100000
    M6 x 1 mm12 mm6.3 mm
    		6.3 mmDIN 8140, SAE MA3280-206, MIL-I-8846191000A057000091709A2020000091709A5330000090261A19200000092955A13100000
    M8 x 1.25 mm8 mm8.4 mm
    		8.4 mmSAE MA3280-109, MIL-I-8846191000A065000091709A2040000091709A5420000090261A19400000092955A133000000
    M8 x 1.25 mm12 mm8.4 mm
    		8.4 mmDIN 8140, SAE MA3280-159, MIL-I-8846191000A069000091709A2040000091709A5420000090261A19400000092955A133000000
    M8 x 1.25 mm16 mm8.4 mm
    		8.4 mmDIN 8140, SAE MA3280-209, MIL-I-8846191000A062000091709A2040000091709A5420000090261A19400000092955A133000000
     
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