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

    Helical Threaded Inserts for Pipe Threads

    Image of Product. Bottom orientation. Threaded Inserts. Helical Threaded Inserts for Pipe Threads.
    Repair or strengthen pipe connections by installing these inserts in a tapped hole. 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.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
    Inserts
    Through-Hole
    Taps
    Installation
    Tools
    Pipe
    Size
    Installed
    Lg.
    Drill Bit
    Size
    For Max.
    Hole Dia.
    Pkg.
    Qty.
    Pkg.
    Each
    Each
    Pronged BSPP Thread
     
    18-8 Stainless Steel
    1/8
    		0.188"25/64"
    		0.391"191733A4070000091711A11100000092450A182000000
    1/4
    		0.375"17/32"
    		0.531"191733A408000091711A1120000092450A18400000
    3/8
    		0.562"43/64"
    		0.672"191733A409000091711A11300000092450A18600000
    1/2
    		0.750"27/32"
    		0.844"191733A411000091711A11400000092450A18900000
     

    Helical Threaded Insert Installation and Prong Break-Off Tools

    Image of Product. Front orientation. Threaded Insert Installation Tools. Helical Threaded Insert Installation and Prong Break-Off Tools, L-Handle.
    Image of Product. Front orientation. Threaded Insert Installation Tools. Helical Threaded Insert Installation and Prong Break-Off Tools, T-Handle.

    L-Handle

    T-Handle

    Install helical inserts and break off prongs with one tool and a hammer strike. These tools have a slot that grips your insert’s prong for turning both left- and right-hand threads. Slide an insert onto these tools and drive them a quarter-turn to half-turn below the material’s surface. Then, strike the end of the tool with a hammer to break off the prong. These tools work with pronged helical inserts.
    For Thread Size
    For Pipe Size
    Handle
    Style
    Each
    7/16"-14, 7/16"-16, 7/16"-20, M11 × 1 mm, M11 × 1.25 mm, M11 × 1.5 mm1/8 BSPPL-Handle92450A182000000
    9/16"-12, 9/16"-18, M14 × 1 mm, M14 × 1.25 mm, M14 × 1.5 mm, M14 × 2 mm, M15 × 1.5 mm, M15 × 2 mm1/4 BSPP, 1/4 NPTT-Handle92450A18400000
    3/4"-10, M18 × 1.5 mm, M18 × 2 mm, M18 × 2.5 mm3/8 BSPPT-Handle92450A18600000
    1"-8, 1"-12, 1"-14, M24 × 1.5 mm, M24 × 2 mm, M24 × 3 mm1/2 BSPP, 5/8 BSPPT-Handle92450A18900000
    1 1/8"-7, 1 1/8"-8, M26 × 1.5 mm, M27 × 1.5 mm, M27 × 2 mm, M27 × 3 mm5/8 BSPP, 3/4 BSPP, 5/8 NPT , 3/4 NPTT-Handle92450A19100000
    1 3/8"-12, 1 1/2"-6, 1 1/2"-8, M36 × 1.5 mm, M36 × 3 mm, M36 × 4 mm3/4 BSPP, 1 BSPP, 3/4 NPT, 1 NPTT-Handle92450A19300000
     
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