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Specifications Met Specifications Met | Show |
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Specifications Met Specifications Met | Hide |
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Warning: Products have one, but not necessarily all, of the selected characteristics.
Thread Size Thread Size |
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Threaded Insert Type Threaded Insert Type |
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![]() | Helical |
Material Material |
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Helical Insert Style Helical Insert Style |
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Internal Locking Type Internal Locking Type |
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For Use In For Use In |
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Tensile Strength Tensile Strength |
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System of Measurement System of Measurement |
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For Maximum Hole Diameter For Maximum Hole Diameter |
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Thread Type Thread Type |
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Color Color |
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![]() | Red |
Passivation Passivation |
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End Type End Type |
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For Tap Type For Tap Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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Drill Bit Size Drill Bit Size |
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Stainless Steel Screw-Locking Helical Inserts

A distorted thread grips the screw to resist loosening. Also known as Heli-Coil inserts, these inserts have coils that expand once installed to securely anchor the insert. All have a prong for ease of installation. An installation tool grips the prong and reduces the coil diameter, enabling the insert to fit in tapped holes. Remove the prong to insert the screw. Installation requires a drill bit, a helical insert tap, an installation tool, and a prong break-off tool.
For technical drawings and 3-D models, click on a part number.
Inch
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | Prong Break-Off Tools | |||||||||||
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Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Specifications Met | Pkg. Qty. | Pkg. | Each | Each | Each | Each | |||||
18-8 Stainless Steel | |||||||||||||||
2-56 | 0.086" | No. 41 | 0.096" | MS21209C0210, NASM21209 | 10 | 000000000 | 00000 | 000000000 | 000000 | 000000000 | 000000 | 000000000 | 000000 | 000000000 | 000000 |